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Rhodia Operations patents


Recent patent applications related to Rhodia Operations. Rhodia Operations is listed as an Agent/Assignee. Note: Rhodia Operations may have other listings under different names/spellings. We're not affiliated with Rhodia Operations, we're just tracking patents.

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Processes for the synthesis of 1,2,3,4-tetrachloro-hexafluoro-butane

The present invention relates to processes for the manufacture of 1,2,3,4-tetrachloro-hexafluoro-butane in a microreactor.. . ... Rhodia Operations

Thermoplastic (co)polyimides and synthesis methods

A salt composition includes at least one ammonium carboxylate salt obtained from: (a) at least one aromatic compound comprising 2 anhydride functional groups and/or its carboxylic acid and/or ester derivatives; and (b) one or more aliphatic diamines in which said aliphatic diamine or diamines are chosen from the diamines of formula (i) nh2—r—nh2 with r being a saturated aliphatic divalent hydrocarbon radical, the two amine functional groups of which are separated by 4 to 6 carbon atoms and 1 or 2 hydrogen atoms of the divalent radical of which are replaced by 1 or 2 methyl and/or ethyl groups; and optionally the diamines of formula (ii) nh2—r′—nh2 with r′ being a saturated or unsaturated and aliphatic, cycloaliphatic or arylaliphatic divalent hydrocarbon radical, which optionally comprises heteroatoms; and at least one chain-limiting compound chosen from monoamines, monoacids or diacids in the α,β positions.. . ... Rhodia Operations

Stabilisation of mineral foams

The invention relates to a mineral foam stabilised by an association of surfactants comprising: a first surfactant carrying at least one sulfate group; and a second amphoteric surfactant.. . ... Rhodia Operations

Polymeric systems for particle dispersion

The present disclosure provides polymeric systems useful for maintaining particle dispersions for extended periods of time.. . ... Rhodia Operations

Solid polymer electrolyte and electrochemical devices comprising same

The invention relates to a solid polymer electrolyte comprising a eutectic mixture comprising a fluorinated salt and an organic compound forming a eutectic mixture with said fluorinated salt. This solid polymer electrolyte can be obtained by polymerization and/or crosslinking of a composition comprising a eutectic mixture comprising a fluorinated salt and an organic compound forming a eutectic mixture with said fluorinated salt and a polymerizable and/or crosslinkable compound. ... Rhodia Operations

Polymer electrolyte and electrochemical devices comprising same

The invention relates to a polymer electrolyte comprising a silicone polymer bearing pending polyoxyalkylene ether groups, at least one fluorinated salt and a solvent, said solvent representing between 10% and 60% by weight, relative to the total weight of the silicone polymer bearing pending polyoxyalkylene ether groups, of the fluorinated salt and of the solvent, and said solvent comprising at least one polyether solvent. In addition, the invention also relates to a process for producing said polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochemical device.. ... Rhodia Operations

Corrosion inhibitor formulations

The instant invention relates to a corrosion inhibitor composition that contains: (a) at least one biodegradable polyhydroxyacid and/or polyhydroxylated derivative thereof, preferably a polyhydroxyacid that may be in all or part in the form a polyhydroxylated salt and/or a polyhydroxyamide; and (b) a biodegradable cationic compound having a molecular weight of less than 500 da, preferably between 50 and 400 da. . ... Rhodia Operations

Formulations for enhanced oil recovery comprising sulfonates

Compositions suitable for enhanced oil recovery comprising a) a mixture of a-sulfocarbonyl compounds of from 1:99 to 99:1 wherein r1, r3 and r5, which may be the same or different at each occurrence, are hydrogen or a linear or branched alkyl chain having 1 to 20 carbon atoms, r2 and r4, which may be the same or different at each occurrence, may be a linear or branched alkyl group having 4 to 24 carbon atoms and in which the alkyl chain may comprise one or more cycloaliphatic groups, and x is h or a metal forming a salt with the sulfonate group, and b) a salt containing aqueous solution.. . ... Rhodia Operations

Sequenced polymers for monitoring the filtrate

The present invention relates to the use of a sequenced polymer as an agent for monitoring the filtrate in a fluid injected under pressure into an oil rock, wherein the fluid comprises solid particles and/or is brought into contact with solid particles within the oil rock after being injected, the polymer comprising at least three blocks, including: at least one first block which is adsorbed, preferably irreversibly, onto at least some of the particles (p); a second block (r) having a composition other than that of the first and a mean molecular weight of more than 10,000 g/mol, and which is soluble in the fluid (f); and at least one third block of type (a) or type (b).. . ... Rhodia Operations

Sequenced polymers for monitoring the filtrate

The invention relates to a method for preparing a sequenced copolymer comprising a first block (a) connected to a second block (b), said method comprising the following steps of monitored radical polymerisation: (e1) bringing into contact, typically in an aqueous medium: unsaturated ethylene monomers ma, selected in order to constitute the block (a); a source of free radicals; and an agent for monitoring the radical polymerisation; and then (e2) bringing into contact: the polymer obtained from step (e1); unsaturated ethylene monomers mb; a source of free radicals; and a polymer p0 which is not ethylenically unsaturated and supports labile hydrogens.. . ... Rhodia Operations

Mild surfactant formulations for skin cleansing

The present disclosure provides a cleansing composition that includes a combined amount of disodium alkyl ethoxy dimethicone sulfosuccinate; polyglycerol; and ethoxylated sorbitan ester.. . ... Rhodia Operations

Process for the decarboxylative ketonization of fatty acids or fatty acid derivatives

A process for the decarboxylative ketonizationof fatty acids, fatty acid derivatives or mixtures thereof in the liquid phase with metal compounds as catalyst wherein the fatty acids, fatty acid derivatives or mixtures thereof are added sequentially.. . ... Rhodia Operations

Composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polymer

The present invention relates to composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide, a nonionic polymer. The composition has excellent conditioning performance. ... Rhodia Operations

Polymer blends for stimulation of oil & gas wells

Compositions and methods for fracturing a subterranean formation are presented. Also provided are compositions and methods for reducing friction-related losses in a well treatment fluid. ... Rhodia Operations

03/15/18 / #20180072959

Carbonaceous material suspension

The present invention concerns a suspension comprising carbonaceous material particles, an alkoxylated phenol surfactant, and an aqueous liquid phase providing a high stability to the suspensions over time. The invention also concerns a process for the production of said suspensions and methods for generating power comprising combustion of said suspensions, notably with appropriate devices.. ... Rhodia Operations

03/15/18 / #20180072909

Self-thickening latex for waterborne systems and related methods

Coatings and other applications containing latex having self-thickening properties obtainable by methods of adding a water soluble amphiphilic copolymer in a aqueous dispersion of a water-insoluble polymer obtained from ethylenically unsaturated monomers.. . ... Rhodia Operations

03/08/18 / #an oral care composition in the form of a toothpaste, tooth gel, dentifrice, tooth powder, prophy paste, mouthwash, rinse, tooth mousse, dental floss, chewing gum, soluble oral care strip or film for direct application or attachment to an oral surface, or lozenge for combating dental caries, erosion, hypersensitivity, and/or staining that includes an orally acceptable carrier and a copolymer of a first α, β-ethylenically unsaturated phosphate compound (a); and one or more α, β-ethylenically unsaturated co-monomers, at least one of which is other than an allyl-functional co-monomer, wherein (a) is an allyl phosphate compound of formula (a):

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. . ... Rhodia Operations

03/01/18 / #20180057740

Process for preparing a polymerization inhibitor solution

The invention relates to a process for preparing concentrated solutions of polymerization inhibitor, that can be used for the production, purification and storage of monomer compositions. This process comprises a step in which at least one polymerization inhibitor in the molten state is mixed with a solvent.. ... Rhodia Operations

02/15/18 / #20180044571

Combined uses of a phosphorous compound for iron sulphide dissolution and bacterial control

A process for simultaneously dissolving iron sulphide and killing or inhibiting bacteria comprising the steps of continuously adding or shot dosing to a hydrocarbon-containing system, an aqueous fluid comprising a formulation comprising tris(hydroxymethyl) phosphine or tetrakis (hydroxymethyl) phosphonium salt.. . ... Rhodia Operations

02/08/18 / #20180037816

Soil additives for promoting seed germination, for prevention of evaporation and methods for use

Disclosed are methods of improving germination rates of plants/crops, as well as preventing or arresting water evaporation loss from targeted soil areas, which allows for improved water usage efficiency by crops, plants, grasses, vegetation, etc.. . ... Rhodia Operations

02/08/18 / #20180037543

Method for producing oxysulphidic and fluorinated derivatives in an ionic liquid medium

The invention relates to a method for producing an oxysulphidic and fluorinated derivative in the form of a salt of formula (ii) ea-so−q+ (ii) comprising providing an ionic liquid compound of formula (i) in the liquid state ea-soo−cr (ii)—ea representing the fluorine atom or a group having between 1 and 10 carbon atoms selected from fluoroalkyls, perfluoroalkyls and fluoroalkenyls; and—q+ representing an onium cation, with a sulphur oxide, said ionic liquid compound of formula (i) representing at least 50 wt. % of the initial liquid reactive medium.. ... Rhodia Operations

02/01/18 / #20180030272

Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012

Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012. The present invention concerns a composition comprising at least polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012; and optionally fillers and/or additives. ... Rhodia Operations

02/01/18 / #20180030206

Thermoplastic copolyimides

The present invention relates to semiaromatic semicrystalline thermoplastic copolyimides obtained by polymerization of at least: (a) an aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof; (b) a diamine of formula (i) nh2—r—nh2 in which r is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number x of carbon atoms, x being between 4 and 12; and (c) a diamine of formula (ii) nh2—r′—nh2 in which r′ is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number y of carbon atoms, y being between 10 and 20; it being understood that diamine (b) is different from diamine (c).. . ... Rhodia Operations

02/01/18 / #20180027803

Concentrate formulations, agricultural oil dispersions, methods and uses thereof

The invention relates to a non-aqueous, emulsifiable and pourable concentrate formulation comprising: (a) at least 20% by weight of at least one non-ionic surfactant chosen from polyethylene glycol esters of fatty acids surfactants, relative to the total weight of the concentrate formulation; (b) a liquid medium wholly or partly formed from at least one non esterified vegetable oil or mixtures thereof; (c) at least one phyllosilicate, said phyllosilicate being present in a content of less than or equal to 5% by weight relative to the total weight of the concentrate formulation; and (d) at least one activator of said phyllosilicate. The invention also relates to the use of such a concentrate formulation for preparing a liquid aqueous emulsion, a suspoemulsion or an agricultural oil dispersion.. ... Rhodia Operations

01/25/18 / #20180022694

Process for fluorination of sulphonyl halide compounds

The present disclosure relates to the preparation of a compound of formula (i) comprising an —so2f function, r—so2f, by reacting a compound of formula (ii), r′—so2x, with a fluorinating agent, the process carried out in the liquid phase in the presence of hydrofluoric acid using an antimony-based fluorination catalyst, wherein r, r′, and x are described herein.. . ... Rhodia Operations

01/18/18 / #20180016507

Slurry suspension comprising torrefied wood particles

A slurry suspension is provided, which comprises (a) carbonaceous material particles having an average diameter d50 comprised between 0.1 μm and 200 μm; (b) an organic compound comprising at least one amine group; and (c) an organic phase.. . ... Rhodia Operations

01/11/18 / #20180010070

Composition containing ester quat, cationic polysaccharide and nonionic polysaccharide

The present invention relates to a composition comprising: (a) a bis-(2-hydroxypropyl)-dimethylammonium methyl-sulphate fatty acid ester having an average chain length of the fatty acid moieties of from 12 to 30 carbon atoms; (b) a cationic poly saccharide; and (c) a nonionic polysaccharide. The present invention also relates to the method of use of the composition.. ... Rhodia Operations

01/04/18 / #20180002639

Method for reducing greying of a fabric

The present invention relates to a method for reducing greying of a fabric when using a composition comprising a quaternary ammonium compound, for example, a fabric conditioning composition comprising a quaternary ammonium compound. The invention involves the use of a nonionic polysaccharide and reducing the amount of quaternary ammonium compound used.. ... Rhodia Operations

01/04/18 / #20180002621

Liquid biofuel compositions

Disclosed is a liquid biofuel comprising carbonaceous material particles having a d50 ranging from 0.1 μm to 200 μm suspended in a liquid biodiesel composition.. . ... Rhodia Operations

01/04/18 / #20180002246

Stabilized dcd and/or alkyl thiophosphoric triamide solvent systems and use in agricultural applications

An inhibitor composition contains alkyl thiophosphoric triamide (or a mixture of alkyl thiophosphoric triamide and dicyandiamide), dissolved in a liquid medium comprising at least one organic solvent, at least one amine stabilizer and, optionally, at least one dye and/or at least one odor masking agent, is useful in making fertilizer compositions and in a method of fertilizing target plants.. . ... Rhodia Operations

01/04/18 / #20180000711

Potassium-containing amphoacetate and betaine surfactants

Compositions that include at least one potassium-containing amphoacetate and/or betaine surfactant, water and at least one additional surfactant selected from anionic surfactants, cationic surfactants, non-ionic surfactants, zwitterionic surfactants, and mixtures thereof.. . ... Rhodia Operations

12/21/17 / #20170362425

High performance surfactant free latexes for improved water resistance

Coatings and other applications containing a latex with modified surface properties obtainable by methods of adding a water soluble amphiphilic copolymer in a aqueous dispersion of a water-insoluble polymer obtained from ethylenically unsaturated monomers.. . ... Rhodia Operations

12/14/17 / #20170355806

Amine-imino dialcohol neutralizing agents for low volatile compound aqueous organic coating compositions and methods for using same

Paint, clear coat, stain, adhesive, or other aqueous formulations that contain at least one [(dimethylamino)alkyl]-imino-dialcohol and a alkyd emulsion, polymer latex or polyurethane dispersion binder. Also disclosed are methods for manufacture and use of these formulations. ... Rhodia Operations

12/14/17 / #20170354145

Growth enhancement of plant by using cationic guars

The present invention provides a method for increasing the growth of a plant by contacting a seed of the plant with a composition comprising a cationic guar having an average molecular weight of between 2,000 daltons and 90,000 daltons. The present invention also provides a seed treated with a cationic guar having an average molecular weight of between 2,000 daltons and 90,000 daltons.. ... Rhodia Operations

12/07/17 / #20170349859

Solid composition comprising a quaternary ammonium compound and polysaccharide, the process and use thereof

The present invention provides a solid composition comprising (a) a quaternary ammonium compound and (b) between 9 wt % and 77 wt % of a polysaccharide based on the total weight of the solid composition. The solid composition showed excellent stability. ... Rhodia Operations

12/07/17 / #20170349848

Slurry suspension comprising torrefied wood particles

A slurry suspension comprises: a) carbonaceous material particles having an average diameter d50 comprised between 0.1 μm and 200 μm; b) a non-ionic surfactant; c) an aqueous phase; and d) an organic phase.. . ... Rhodia Operations

12/07/17 / #20170349524

Cycloalkane oxidation catalysts and method to produce alcohols and ketones

The present invention concerns a method of oxidizing a cycloalkane to form a product mixture containing a corresponding alcohol and ketone, said method comprising contacting a cycloalkane with a hydroperoxide compound in the presence of a catalytic effective amount of a cerium oxide based catalyst.. . ... Rhodia Operations

11/30/17 / #the invention relates to a thermoplastic composition having improved fluidity in the molten state, comprising at least:

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. . ... Rhodia Operations

11/30/17 / #the invention concerns a thermoplastic composition having high fluidity in the molten state, comprising at least:

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. . ... Rhodia Operations

11/30/17 / #20170342346

A solid composition comprising a polysaccharide and a hydrophobic compound, the process and use thereof

The present invention provides a solid composition comprising a polysaccharide and a hydrophobic compound having a melting point of between 30° c. And 90° c. ... Rhodia Operations

11/30/17 / #20170342314

Self-diverting acidizing system

A method of acidizing a formation penetrated by a wellbore that includes the steps of injecting into the wellbore at a pressure below formation fracturing pressure a treatment fluid that includes a gelling fluid including a gelling agent and a hydrophobically-modified associative polymer, and an aqueous acid; and allowing the treatment fluid to acidize the formation.. . ... Rhodia Operations

11/30/17 / #20170342313

Shear recovery for viscosifying surfactants in stimulation fluids

A method of reducing shear recovery time of a viscosifying surfactant fluid system that includes introducing a viscosifying surfactant fluid system into a subterranean formation, wherein the fluid includes a major portion of a surfactant and a hydrophobically-modified associative polymer in a concentration sufficient to shorten the shear recovery time of the fluid system compared to the shear recovery time of the fluid system without the polymer.. . ... Rhodia Operations

11/30/17 / #20170342266

Polyamide compositions comprising a blend of polyamide 6,6 and at least one high chain-length polyamide, and al stearate, use thereof, and articles obtained therefrom

The present invention provides a polyamide composition comprising (a) at least one polyamide mixture formed from (i) at least one polyamide 6,6, the amount of amine end groups (aeg) being greater than the amount of carboxylic acid end groups (ceg); and (ii) at least one high chain-length polyamide; (b) at least one reinforcing filler; (c) at least one heat stabilizer; (d) aluminum stearate; and optionally (e) at least one additive. The polyamide composition can be advantageously used to produce articles exhibiting enhanced chemical resistance, notably cacl2 salt crack resistance, such as radiator end tank in an automobile.. ... Rhodia Operations

11/30/17 / #20170339947

Concentrate formulations, pesticidal oil dispersions, methods and uses thereof

The invention relates to a non-aqueous, emulsifiable and pourable concentrate formulation, comprising: (a) at least one non-ionic surfactant; (b) at least one alkyl-benzene sulfonate surfactant as anionic surfactant; (c) a liquid medium wholly or partly formed from at least one vegetable oil alkyl ester or mixtures thereof; (d) at least 4% by weight of at least one phyllo silicate as thickener; and (e) at least one activator of said phyllo silicate. The invention also relates to the use of a concentrate formulation ac cording to the invention for preparing a liquid aqueous emulsion, a suspoemulsion or a pesticidal oil dispersion.. ... Rhodia Operations

11/23/17 / #20170335106

Polyamide compositions comprising a polyamide 6,6 and a blend of high chain-length polyamides, use thereof, and articles obtained therefrom

The present invention provides polyamide compositions comprising (a) at least one polyamide mixture; (b) at least one reinforcing filler; (c) at least one heat stabilizer; and (d) at least one ionic lubricant, wherein the (a) at least one polyamide mixture is formed from (i) a polyamide 6,6, the amount of aeg being greater than the amount of ceg, and (ii) a blend of a first high chain-length polyamide having viscosity number (vn) of x1 and a second high chain-length polyamide having vn of x2, x1 being greater than x2. The polyamide composition can be advantageously used to produce articles exhibiting enhanced chemical resistance, notably cacl2 salt crack resistance, such as radiator end tank in an automobile.. ... Rhodia Operations

10/26/17 / #20170306208

Use of encapsulated polyamines for limiting fluid loss

The instant invention relates to a method for sealing a subterranean environment, wherein a polyurethane encapsulated polyamine is injected into the subterranean environment and is released in situ in the presence of a reactive species able to form a gel or a precipitate by a physical association and/or a chemical reaction with the released polyamine.. . ... Rhodia Operations

10/26/17 / #20170305807

Solvent for thiophosphoric triamide or dicyandiamide solutions, and related methods

Solvents useful with thiophosphoric triamide urease inhibitors, that provide stable solution of a thiophosphoric triamide, such as for distribution (in low or high concentrations) onto a fertilizer or other liquid or solid material that contains urea.. . ... Rhodia Operations

10/12/17 / #20170292020

Recycling polyamide airbags

A composition, in particular for molding, including a mixture of a polyamide material, a powder made from airbag scraps, and optionally a reinforcing filler. Also described, is an article formed from the composition.. ... Rhodia Operations

10/05/17 / #20170283684

Encapsulation of hydrophilic additives

The instant invention relates to a process for the encapsulation of a non-amine hydrophilic compound c, comprising the steps of: (e1) providing a reverse emulsion containing: an oil phase (o), comprising a curable mixture of isocyanate and polyalkyldiene hydroxylated or polyol dispersed in said oil phase, drops of an aqueous phase w1, containing: said non-amine hydrophilic compound c; and at least 5% by weight of a compound c carrying more than 2 amine groups; (e2) pouring the reverse emulsion of step (e1) in a second water phase w2 to make a multiple emulsion water/oil/water; and, then, (e3) curing into polyurethane all or part of the curable mixture contained in the oil phase.. . ... Rhodia Operations

10/05/17 / #20170283340

Alkyl thiophosphoric triamide and neem oil solvent systems for use in agricultural applications

An inhibitor composition contains a urease inhibitor (e.g., alkyl thiophosphoric triamide) and a nitrification inhibitor (e.g., a natural nitrification inhibitor such as neem oil and the like), solubilized in a liquid medium comprising at least one organic solvent and, optionally, at least one stabilizer, useful in making fertilizer compositions (e.g., urea prill coatings) and in methods of fertilizing target plants.. . ... Rhodia Operations

09/28/17 / #20170275039

Method for discharging an oxidisable compound in the liquid state

A process for unloading a container containing an oxidizable compound having a melting point tm greater than 15° c. Is described. ... Rhodia Operations

09/21/17 / #20170266651

Process for the manufacture of alcohol and/or ketone

Process for the manufacture of at least one alcohol and/or at least one ketone, which comprises a step during which at least one organic peroxide compound is put into contact with at least one catalyst responding to formula (i) crnxoy formula (i) in which x is a number varying from 0.10 to 1.00 and y is a number varying from 0.00 to 1.50, in order to produce the at least one alcohol and/or at least one ketone.. . ... Rhodia Operations

08/24/17 / #20170238536

Drift control formulations for use with air induction nozzles

A method of spray applying an agricultural pesticide composition through an induction flat spray tip nozzle, wherein the agricultural pesticide composition comprises: a liquid medium; at least one pesticide dissolved or dispersed in the liquid medium; and a guar or a guar derivative, wherein at least a portion of the guar or guar derivative, typically a cationic guar, is in the form of particles and at least a portion of the particles are dispersed in the liquid medium, wherein the induction flat spray tip nozzle comprises: a spray tip nozzle body comprising: a first end capable of being connected to a liquid supply, a venturi compartment; and a discharge orifice.. . ... Rhodia Operations

08/17/17 / #20170233685

Polyfunctional polymers based on phosphonate units and amine units

The invention relates to polyfunctional polymers suitable in particular for the treatment of metal surfaces (metal finishing) and comprising: monomer units u1 bearing phosphonic acid functions; monomer units u2 bearing amine functions; and optionally monomer units u3 bearing alcohol units —oh.. . ... Rhodia Operations

08/10/17 / #20170226415

Modified phosphors and compositions thereof

A modified phosphor is described comprising phosphor particles and at least one amphiphilic agent. Compositions comprising the modified phosphor and at least one polymer are also described.. ... Rhodia Operations

08/10/17 / #20170226286

Novel polyamide, preparation process therefor and uses thereof

The present disclosure relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula i, described herein, in which r represents a covalent bond or a divalent hydrocarbon-based group chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. ... Rhodia Operations

08/03/17 / #20170217916

Process for producing aromatic primary diamines

A process for the production of aromatic primary amines, by reacting an aromatic dialdehyde with hydrogen and ammonia or an ammonia-liberating compound, in the presence of a hydrogenation catalyst and an amine, wherein the molar ratio of the amine to the aromatic dialdehyde is no less than 1:4 at the start of the reaction.. . ... Rhodia Operations

07/27/17 / #20170210966

Clay stabilizing agents and methods of use

Methods of using a clay stabilizing agent to inhibit swelling and/or migration of clay subterranean materials upon exposure to water, wherein the clay stabilizing agent is selected from quaternary ammonium salts according to formula i, formula ii, formula iii, formula iv, formula v, and combinations thereof.. . ... Rhodia Operations

07/20/17 / #20170204241

Electrically conductive polymer complexes and electronic devices containing such complexes

Described herein are polymer complexes, including polymer gels and polymer foams, containing electrically conductive polymers and ionic liquids. The polymer complexes described herein are useful as components of electronic devices.. ... Rhodia Operations

07/20/17 / #20170204039

Method for the purification of natural vanillin

The invention relates to a natural vanillin, which is in the form of an amorphous solid of which the color, in ethanolic solution at 10% by weight, is less than or equal to 200 hazen, preferably less than or equal to 100 hazen.. . ... Rhodia Operations

07/06/17 / #20170190901

Formulation of novolak resins for enhancing the acid resistance of polyamide compositions

Novolak resins ere incorporated for enhancing the acid resistance of polyamide compositions. Polyamide compositions containing such novolak resins are useful for producing various plastic shaped articles, such as calibrated particles or injection-molded parts, and are particularly useful for the recovery of sludge, liquids, and gases present in underground reservoirs, especially in the field of hydrocarbon extraction such as crude oil or natural gas.. ... Rhodia Operations

06/29/17 / #20170183283

Method for preparing p-hydroxymandelic compounds in stirred reactors

The process allows the preparation of a p-hydroxymandelic compound, comprising at least one step of condensation of at least one aromatic compound bearing at least one hydroxyl group and whose para position is free, with glyoxylic acid, the condensation reaction being performed in at least one reactor equipped with at least one mixing means, the specific mixing power being between 0.1 kw/m3 and 15 kw/m3. In addition, the invention also relates to a process for preparing a 4-hydroxyaromatic aldehyde by oxidation of this p-hydroxymandelic compound.. ... Rhodia Operations

06/22/17 / #20170172143

Choline chloride in liquid guar formulations

A concentrated adjuvant composition comprises an incompletely hydrated water-soluble polymer suspended in a liquid medium, a suspension agent and a hydration inhibitor component.. . ... Rhodia Operations

06/22/17 / #20170172142

Polyelectrolyte-layer forming block copolymers and compositions and uses thereof

The present invention relates generally to polyelectrolyte-layer forming block copolymers adsorbed at colloid interfaces in aqua solution and compositions and uses thereof. In particular, the present invention relates to agricultural material compositions comprising particles of at least one agricultural material and a polyelectrolyte-layer forming block copolymer. ... Rhodia Operations

06/08/17 / #20170158956

Suspension of a magnesium silicate, method for making same and use thereof as a phosphor

The silicate of magnesium and of barium, strontium or calcium of the invention is characterized in that it is in the form of a suspension of solid crystallized particles in a liquid phase, said particles having a mean size between 0.1 μm and 1 μm. It is prepared by spray-drying a liquid mixture comprising compounds of magnesium, of silicium and of at least one first element chosen from barium, strontium and calcium, by submitting the dried mixture to a first calcination in air and to a second calcination in a reducing atmosphere and by wet milling the calcined mixture.. ... Rhodia Operations

06/01/17 / #20170152421

Metal doped cerium oxide compositions

The present invention concerns a process for the production of metal doped cerium compositions comprising a cerium oxide and a metal oxide by precipitation. The invention also concerns metal doped cerium compositions providing high crystallites size and exhibiting high thermal stabilities, which may be used as a catalytic support or for polishing applications.. ... Rhodia Operations

05/18/17 / #20170137787

Microorganisms and methods for producing vanillin

The present invention concerns a recombinant strain belonging to the order of actinomycetales, wherein at least one gene encoding an enzyme having vanillin reductase activity is non-functional. The present invention is also related to a process for producing vanillin or a precursor thereof, comprising the culture of a recombinant strain in an appropriate medium comprising a substrate, and recovery of the produced vanillin or precursor thereof.. ... Rhodia Operations

05/18/17 / #20170137750

Method for preparing stable composition with perfume

The present invention relates to method for preparing composition containing at least a quaternary ammonium compound, a cationic polysaccharide, a fragrance material or perfume, a nonionic surfactant, and optionally a nonionic polysaccharide. The method notably comprises a step of preparing a premix of the fragrance material or perfume and the nonionic surfactant. ... Rhodia Operations

05/18/17 / #20170137658

Fluoropolymer compositions

The present invention pertains to a fluoropolymer composition, to a process for the manufacture of said fluoropolymer composition and to uses of said fluoropolymer composition in various applications, in particular to uses of fluoropolymer films obtainable therefrom in electrical or electronic devices.. . ... Rhodia Operations

05/11/17 / #20170130165

Method of use of composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide

The present invention relates to a method for enhancing fragrance or perfume longevity of a composition by adding to the composition (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a nonionic polysaccharide; and (d) a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. ... Rhodia Operations

05/11/17 / #20170130164

Composition comprising a quaternary ammonium compound, a cationic polysaccharide, a nonionic polysaccharide and a fragrance material or perfume

The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide, a nonionic polysaccharide and a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. ... Rhodia Operations

05/11/17 / #20170130049

Polyamide molding compositions, molded parts obtained therefrom, and use thereof

Provided is a polyamide molding composition comprising a) at least one semi-aromatic, semi-crystalline polyamide, at least flat glass fiber as reinforcing filler, c) at least one aliphatic polyamide comprising recurring units complying with the formula —nh—r2—nh—co—r3—co—, wherein r2 and r3, equal to or different from each other at each occurrence, are divalent aliphatic hydrocarbon groups, and d) at least one additive.. . ... Rhodia Operations

05/11/17 / #20170127681

Composition for treating an inorganic slurry

A composition for treating an inorganic slurry, the composition including: (a) a tetrakis(hydroxyorgano)phosphonium salt; and (b) a dispersant selected from the group consisting of (i) a phosphonated compound containing at least one tertiary nitrogen atom, the phosphonated compound being a tetra sodium salt of nitrilo-tris(methylene phosphonate); and (ii) a homopolymer of an unsaturated acid, the homopolymer being a homopolymer of acrylic acid having a molecular weight in the range of 2,000 to 5,000.. . ... Rhodia Operations

05/11/17 / #20170127671

Agricultural pesticide compositions

An adjuvant composition for modifying the spray properties of an aqueous pesticide composition contains (a) at least one fatty deposition control agent, and (b)(ii) a liquid medium, one or more hydrotropes, and, optionally one or more surfactants, or (b)(ii) one or more surfactants, and adjuvant compositions for modifying the spray properties of an aqueous pesticide composition contains (c) at least one deposition control agent, and (d)(ii) a liquid medium, one or more hydrotropes, and, optionally one or more surfactants, or (d)(ii) one or more surfactants, and use thereof in agricultural applications.. . ... Rhodia Operations

05/04/17 / #20170121640

Method of use of composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide

The present invention relates to a method for conditioning a fabric comprising the step of contacting the fabric with an aqueous medium comprising a composition, wherein the composition comprises: (a) a quaternary ammonium compound; (b) a cationic polysaccharide; and (c) a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. ... Rhodia Operations

05/04/17 / #20170121639

Composition comprising a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide

The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. ... Rhodia Operations

04/27/17 / #20170114373

Improved selectivity of the production of vanilloids in a recombinant unicellular host

The present invention relates to methods for producing vanilloid compounds in a recombinant host, and in particular for converting a protocatechuic aldehyde into a substantially pure vanilloid. It further relates to novel yeast strains that are suitable for producing such vanilloid compounds.. ... Rhodia Operations

04/20/17 / #methods of acidizing a subterranean formation penetrated by a wellbore that include the steps of (a) injecting into the wellbore at a pressure below subterranean formation fracturing pressure a treatment fluid having a first viscosity and including an aqueous acid and a gelling agent of formula ii:

Rhodia Operations

. . ... Rhodia Operations

04/20/17 / #20170110769

Process for recovering an electrolyte salt

The present invention relates to a process for recovering a metal salt of an electrolyte dissolved in a matrix, said process consisting in subjecting the electrolyte to a liquid extraction with water.. . ... Rhodia Operations

04/20/17 / #20170107421

Aminosulphonate foam stabilizers

The present invention relates to the use of an aminosulphonate compound corresponding to the following formula (i): r1r2n—chr3—chr4—chr5—so3− (i) where: r1 is a preferably c2 to c24 alkyl or alkylamido radical; r2 is an optionally hydroxylated alkyl radical; r3, r4 and r5 are, independently of one another, h or oh; it being understood that at least one of the r3, r4 and/or r5 groups is oh, for stabilizing a foam, in particular a foam used to extract hydrocarbons in an underground formation.. . ... Rhodia Operations

04/13/17 / #20170101601

Dishwasher detergent comprising phosphate-containing polymers

The present invention generally relates to detergents, and more particularly relates to automatic dishwashing agents containing phosphate group-containing polymers that have improved scale inhibition, automatic dishwashing methods using these dishwashing agents and the use of these dishwashing agents to improve cleaning performance in automatic dishwashing.. . ... Rhodia Operations

04/06/17 / #the present invention relates to a process for preparing a polymer with a mass mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (e) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles:

Rhodia Operations

. . ... Rhodia Operations

04/06/17 / #20170096513

New copolymers useful in liquid detergent compositions

Provided is a copolymer comprising from about 88 to about 92 mol % of a hydrophilic unit derived from n-vinylpyrrolidone and a cationic unit derived from a dimethyldiallylammonium salt, wherein the copolymer has a molar mass greater than or equal to 250,000 g/mol. Said copolymer is useful especially as a suds boosting polymer in hand dishwashing detergent compositions comprising a surfactant system, and provides improved foaming properties.. ... Rhodia Operations

03/30/17 / #20170088769

Aqueous guar compositions for use in oil field and slickwater applications

Products, methods and processes for manufacture that are related to application fluid, more specifically, to oil field compositions that include a fracturing fluid composition prepared by a process including at least the steps of:—contacting a polysaccharide particle with water to produce process water, and—separating the process water from the polysaccharide particle, whereby the separated process water comprises at least part of the fracturing fluid composition.. . ... Rhodia Operations

03/30/17 / #20170088719

Polymer compositions, polymer films, and electronic devices containing such films

A polymer film containing a mixture of (a) at least one electrically conductive polymer, and (b) at least one organic salt having a melting point of greater than 100 c is made by forming a layer of a polymer composition that contains (a) a liquid carrier comprising water and at least one water miscible polar organic liquid, (b) the at least one electrically conductive polymer dissolved or dispersed in the liquid carrier, and (c) the at least one organic salt having a melting point of greater than 100 c dissolved in the liquid carrier, and (2) removing the liquid carrier from the layer. The polymer film is useful as a layer in a laminar electronic device.. ... Rhodia Operations

03/30/17 / #20170088657

New copolymers useful in liquid detergent compositions

The present invention relates to a copolymer useful especially as a suds boosting polymer in hand dishwashing detergent compositions. The copolymer of the invention provides improved foaming properties, and in particular may boost the suds, when added onto such hand dishwashing detergent compositions.. ... Rhodia Operations

03/23/17 / #20170081514

Polyamide composition comprising amorphous polyamide and/or polyester with enhanced and uniform electrical conductivity

Provided is a composition comprising a) at least one semi-crystalline polyamide, b) at least one conductive material, and c) at least one amorphous polyamide, and optionally d) at least one polyester. The composition may further comprise e) at least one filler and f) at least one additive.. ... Rhodia Operations

03/16/17 / #20170073544

Dish support rack for dishwasher

The invention pertains to a dish support rack having outstanding resistance to chemically harsh environments, and possessing improved mechanical properties, said dish support rack comprising a metal wire frame coated with a polyamide composition [composition (c)] comprising: —more than 50% wt of a polyamide [polyamide (a), herein after], more than 50% moles of recurring units of said polyamide complying with formula: —hn—(ch2)6—nh—c(o)—(ch2)8—c(o)— [recurring units (r6,10)], and, optionally: —up to 10% wt of conventional filler(s) and/or additive(s), and to a method for its manufacture.. . ... Rhodia Operations

03/16/17 / #20170073521

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

A precipitated silica having a ctab specific surface in the range of from 50 to 300 m2/g; a bet/ctab specific surface ratio equal to or greater than 1.3 and comprising at least one polycarboxylic acid.. . ... Rhodia Operations

03/16/17 / #20170073238

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

Precipitated silica having a bet specific surface area in the range of from 35-700 m2/g, a ctab specific surface area in the range of from 30 to 400 m2/g, and a content of polycarboxylic acid and/or carboxylate groups, expressed as total carbon content, of at least 0.15 wt %. . ... Rhodia Operations

03/09/17 / #20170066058

Process for making silver nanostructures and copolymer useful in such process

A process for making silver nanostructures, which includes the step of reacting at least one polyol and at least one silver compound that is capable of producing silver metal when reduced, in the presence of: (a) a source of chloride or bromide ions, and (b) at least one copolymer that comprises: (i) one or more first constitutional repeating units that each independently comprise at least one pendant saturated or unsaturated, five-, six-, or seven-membered, acylamino- or diacylamino-containing heterocylic ring moiety per constitutional repeating unit, and (ii) one or more second constitutional repeating units, each of which independently differs from the one or more first nonionic constitutional repeating units, and has a molecular weight of greater than or equal to about 500 grams per mole, is described herein.. . ... Rhodia Operations

03/02/17 / #the invention relates to a novel process for preparing a precipitated silica, in which:

Rhodia Operations

. . ... Rhodia Operations

03/02/17 / #20170062090

Electrically conductive nanostructures, method for making such nanostructures, electrically conductive polymer films containing such nanostructures, and electronic devices containing such films

A polymer film that contains a mixture of (i) an electrically conductive polymer, and (ii) anisotropic electrically conductive nanostructures, is disclosed, as well as a polymer composition that contains (a) a liquid carrier, (b) an electrically conductive polymer dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and a method for making polymer film, that includes the steps of: (1) forming a layer of a polymer composition that contains (a) a liquid carrier, (b) one or more electrically conductive polymers dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and (2) removing the liquid carrier from the layer.. . ... Rhodia Operations

03/02/17 / #20170058189

High-performance eco-friendly non-emulsifier

A method for demulsifying an emulsion of oil and water including the step of contacting the emulsion with a composition that includes an amphoteric surfactant and a solvent. Demulsifying compositions are also provided.. ... Rhodia Operations

02/23/17 / #20170051154

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

The invention relates to a process for the preparation of a novel precipitated silica, wherein: a silicate is reacted with an acidifying agent, so as to obtain a silica suspension; said silica suspension is filtered, so as to obtain a filter cake; said filter cake is subjected to a liquefaction operation, in the absence of an aluminium compound; wherein a mixture of polycarboxylic acids is added to the filter cake, during or after the liquefaction operation. It also relates to novel precipitated silicas and to their uses.. ... Rhodia Operations

02/23/17 / #20170051126

Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers

The invention relates to a process for the preparation of a novel precipitated silica, wherein: a silicate is reacted with an acidifying agent, so as to obtain a silica suspension; said silica suspension is filtered, so as to obtain a filter cake; said filter cake is subjected to a liquefaction operation, optionally in the presence of an aluminium compound; wherein at least one polycarboxylic acid is added to the filter cake, during or after the liquefaction operation. It also relates to a novel precipitated silica and to its uses.. ... Rhodia Operations

02/23/17 / #20170050895

High temperature amine-stabilized dcd and/or alkyl thiophosphoric triamide solvent systems and use in agricultural applications

An inhibitor composition contains alkyl thiophosphoric triamide (or a mixture of alkyl thiophosphoric triamide and dicyandiamide), dissolved in a liquid medium comprising at least one organic solvent and at least one amine stabilizer, is useful in making fertilizer compositions and in a method of fertilizing target plants.. . ... Rhodia Operations

02/16/17 / #20170042144

Stable high-load herbicidal compositions comprising mixed amine oxides

Herbicidal compositions comprising mixed amine oxides and aminophosphate or aminophosphonate salts, in particular, to herbicidal compositions comprising mixed amine oxides and high-load aminophosphate or aminophosphonate potassium salts, wherein the composition has low temperature stability (i.e., no or unobservable crystal formation) among other beneficial properties.. . ... Rhodia Operations

02/09/17 / #20170037170

Rheology modifier polymer

The present invention relates to a method for making a direct emulsion of a copolymer in water, characterized in that it comprises the polymerization of at least, expressed as a percentage by weight of each of the monomers based upon the total weight of the monomers: a) 10 to 80% by weight of methacrylic acid and, optionally, of acrylic acid; b)15 to 80% by weight of at least one non-ionic vinyl monomer; c) 0.05 to 9.5% by weight of 2-acrylamido-2-methylpropane sulfonic acid or a salt thereof; d) 0.5 to 30% by weight of at least one monomer containing at least one hydrophobic group; and e) 0.01 to 5% by weight of at least one crosslinking monomer; said polymerization being carried out in the presence of at least one surfactant. It also relates to the corresponding new copolymer emulsion in water, a method for thickening an aqueous composition comprising such an emulsion of copolymer and to an aqueous composition comprising such a copolymer emulsion.. ... Rhodia Operations

02/09/17 / #20170035046

Choline salt and ammonium-free adjuvants for water conditioning and agricultural formulations

Agricultural compositions comprising a non-pesticide choline salt or a non-ammonium water conditioning agent, optionally, a polysaccharide, optionally, a dispersant or surfactant, and optionally, water, as well as methods of making and applications thereof.. . ... Rhodia Operations

02/02/17 / #20170029690

Encapsulated activator and its use to trigger a gelling system by physical means

A process allowing the encapsulation of a polymerization accelerator comprising the steps of: a) providing an reverse emulsion containing, in an oil phase, a water solution/dispersion containing the polymerisation activator, the oil phase including a heat curable mixture of an isocyanate and a polyalkyldiene hydroxylated or polyol, b) pouring the reverse emulsion in a water phase to make a multiple emulsion water/oil/water, containing drops of activators as the internal water phase, and then, c) heating the multiple emulsion obtained in step b) to cure the polyisocyanate in polyurethane and obtain drops of activator enclosed in shells of polyurethane dispersed in water. The invention also relates to aqueous gelling systems comprising the encapsulated polymerization accelerator with water soluble or dispersable monomers and a polymerization initiator dispersed in said monomers, useful i.a. ... Rhodia Operations

01/19/17 / #the invention relates to a novel process for preparing a precipitated silica, in which:

Rhodia Operations

. . ... Rhodia Operations

01/19/17 / #20170015830

Process for the preparation of modified silica, modified silica and its uses, in particular for the reinforcement of polymers

The invention relates to a process for the preparation of a modified silica comprising the step of adsorbing at least one polycarboxylic acid on precipitated silica.. . ... Rhodia Operations

01/19/17 / #20170015786

Modified polyamides having enhanced flowability/mechanical properties and molding compositions comprised thereof

The present invention relates to a polyamide and a process for the preparation thereof, and to compositions containing it. It relates more particularly to a polyamide obtained by polymerization of diacid and diamine monomers in the presence of multifunctional and monofunctional compounds capable of forming an amide function by reaction with either an aminated function or an acid function. ... Rhodia Operations

01/12/17 / #20170008817

Compatibility aid for pesticides in fertilizer compositions

A stable agricultural composition comprises at least one pesticide, a compatibilizing component comprising at least one of a polyol, a carboxylic-acid containing polymer, a poly(oxy-1,2-ethanediyl)-alpha-c6-22alkyl-omega-hydroxy phosphate or salt thereof and/or an alkylpolyglucoside, at least one fertilizer.. . ... Rhodia Operations

01/05/17 / #20170002200

Polyamide molding compositions, molded parts obtained therefrom, and use thereof

Polyamide molding compositions, use thereof, and molded parts obtained therefrom provided is a polyamide molding composition comprising a) at least one semi- crystalline polyamide; b) at least one thermoplastic polyester; c) at least one novolac resin; and d) at least one flat glass fibers as filler, and optionally e) at least one amorphous polyamide and f) at least one additive.. . ... Rhodia Operations

01/05/17 / #20170001173

Inorganic composite oxides and methods of making the same

Described herein are methods for forming inorganic composite oxides. Such methods include combining, at a substantially constant ph of between about 5 and about 6.75 over a period of at least about 5 minutes, an acidic precursor composition and a basic composition to form a precipitate composition, wherein the acidic precursor composition comprises an alumina precursor, a ceria precursor, a zirconia precursor and optionally one or more dopant precursors; stabilizing the precipitate by increasing the ph of the precipitate composition to between about 8 and about 10; and calcining the stabilized precipitate to form an inorganic composite oxide. ... Rhodia Operations








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