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Evonik Degussa Gmbh
Evonik Degussa Gmbh_20100107
Evonik Degussa Gmbh_20100114
Evonik Degussa Gmbh_20100128
Evonik Degussa Gmbh_20131212
Evonik Degussa Gmbh_20100121

Evonik Degussa Gmbh patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Evonik Degussa Gmbh-related inventors


Use of certain polymers as a charge store

The present invention relates to polymers and to the use thereof in the form of active electrode material or in an electrode slurry as electrical charge storage means, the electrical charge storage means especially being secondary batteries. These secondary batteries are especially notable for high cell voltages, and simple and... Evonik Degussa Gmbh

Paint system containing anti-fouling metal oxide and fumed silica

A paint system contains an anti-fouling metal oxide and a fumed silica, wherein the fumed silica has a BET surface area of 150 to 400 m2/g, a tamped density of 100 to 300 g/l and a thickening of less than 500 mPas.... Evonik Degussa Gmbh

Use of certain polymers as a charge store

The present invention relates to polymers and to the use thereof in the form of active electrode material or in an electrode slurry as electrical charge storage means, the electrical charge storage means especially being secondary batteries. The secondary batteries are especially notable for high cell voltages, a small drop... Evonik Degussa Gmbh

Polyamide powder for selective sintering methods

A polyamide powder for selective absorbing sintering, SAS, or selective inhibition sintering, SIS. The polyamide powder has a solution viscosity to ISO 307 of 1.8 to 2 and a rise in the solution viscosity of 0% to 25% when it is subjected to a temperature 20° C. below its melting... Evonik Degussa Gmbh

Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine

The present invention relates to a process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, which can be used as hardener in epoxide applications.... Evonik Degussa Gmbh

Polyamide powder for selective sintering methods

A polyamide powder for powder bed fusion methods is described. The polymer exhibits a solution viscosity to ISO 307 of 1.55 to 1.75 and an increase in solution viscosity of 10% to 40%, preferably 20% to 30%, when under a nitrogen atmosphere it is subjected to a temperature 10° C.... Evonik Degussa Gmbh

Compatibilizer for universal colorant in solventborne alkyd paints

Solventborne alkyd paint composition containing a universal colorant of organic pigment or inorganic pigment, a solventborne alkyd base paint and a fatty acid amidoamine, where the fatty acid amidoamine is the condensation product of a fatty acid or their corresponding ester or fatty oil and a polyamine, the polyamine is... Evonik Degussa Gmbh

Apparatus for heating polymeric powders by means of radiation in powder coating methods

An apparatus for heating powder particles, contains a radiation source (1), a housing (2) and a screen (4). The radiation source (1) has its maximum radiative power in the wavelength range of 0.78-2.5 μm. The screen (4) has an absorbance of at least 0.8 in the wavelength range of 0.78-2.5... Evonik Degussa Gmbh

Multilayer hollow body having high leaching resistance

A multilayer hollow body has the following layers: I. an inner layer (layer I) containing a moulding composition based on PA612, PA610, PA1010, PA1012 and/or PA1212 and copolymers thereof and mixtures thereof; II. optionally an adhesion promoter layer (layer II) containing a moulding composition based on the following components: a)... Evonik Degussa Gmbh

Dehydrogenation of lpg or ngl and flexible utilization of the olefins thus obtained

The object of the invention is to specify a process with which both C5 and C9 aldehydes can be produced economically. Here, the process should be able to to be supplied with the lowest possible dependence on raw material suppliers and also should be able to react flexibly to fluctuations... Evonik Degussa Gmbh

Method for producing a molded heat-insulating element

A process for producing an ammonia-treated hydrophilic thermal insulation molding which includes treating a thermal insulation molding containing hydrophilic silica with ammonia by introducing the thermal insulation molding into a chamber and supplying gaseous ammonia until a pressure difference Δp of ≧20 mbar is achieved. A process for producing a... Evonik Degussa Gmbh

Processes, products, and compositions having tetraalkylguanidine salt of aromatic carboxylic acid

Disclosed are processes, products, and compositions having tetraalkylguanidine salt of aromatic acid. The processes include providing a pre-mix comprising an aromatic carboxylic acid component and contacting a tetraalkylguanidine with the aromatic carboxylic acid component in the pre-mix to form the tetraalkylguanidine salt of aromatic carboxylic acid or producing a catalyst... Evonik Degussa Gmbh

Rhamnolipid synthesis

wherein the carbon source is an alkane and/or alkanoic acid comprising 6 to 10 carbon atoms.... Evonik Degussa Gmbh

Method for the epoxidation of propene with hydrogen peroxide

The method for the epoxidation of propene comprises continuously reacting propene with hydrogen peroxide in the presence of a homogeneous epoxidation catalyst in a reaction mixture comprising an aqueous liquid phase and an organic liquid phase using a loop reactor with mixing of the liquid phases, withdrawing aqueous phase from... Evonik Degussa Gmbh

Fibersizing with small amounts of nanomaterials

Nanoparticle-coated fibre material, the coating of which includes between 0.01 and less than 2.0 wt % of nanoparticles based on the dry weight of the coated fibre material and is capable of undergoing further reactions, a process for producing the nanoparticle-coated fibre materials, and also corresponding fibre composite materials.... Evonik Degussa Gmbh

Production of low-emission polyurethanes

is described.... Evonik Degussa Gmbh

Tough polyamide moulding material

A moulding material contains to an extent of at least 50 wt % of the combination of the following constituents a) 80 to 97 parts by mass of a polyamide component containing a1) 70 to 100 parts by wt of PA PACMX (wherein X=8 to 18), and a2) 30 to... Evonik Degussa Gmbh

Polyamide-based polymer powder, use thereof in a molding method, and molded articles made from said polymer powder

The invention relates to a polymer powder for use in a layer-by-layer method in which areas of each powder layer are selectively fused by introducing electromagnetic energy. Said polymer powder contains: at least one AB-type polyamide produced by polymerizing lactams comprising 10 to 12 carbon atoms in the monomer unit... Evonik Degussa Gmbh

Adhesives with low voc and fogging values

The invention relates to hotmelt adhesives based on polyesters, having low VOC and fogging values. In particular, the invention relates to reactive hotmelt adhesives including polyesters containing at least 50 mole percent, based on the polycarboxylic acid components, of terephthalic acid or a derivative thereof and containing at least 40... Evonik Degussa Gmbh

Dispersing resins

The present invention relates to innovative dispersing resins, to their preparation and to their use for dispersing solids.... Evonik Degussa Gmbh

Removal of low boilers and reduction of the ammonia content in isophoronediamine by partial condensation

The present invention is directed to a process for fine purification of isophoronediamine from the production of isophoronediamine wherein the crude isophoronediamine I is subjected to a fine purification by means of two vacuum distillation columns, wherein I. in the first vacuum distillation column K I low-boiling by-products still present... Evonik Degussa Gmbh

Method for the epoxidation of an olefin with hydrogen peroxide

Epoxidation of an olefin is carried out by continuously reacting the olefin with hydrogen peroxide in the presence of a homogeneous epoxidation catalyst in a reaction mixture comprising an aqueous liquid phase and an organic liquid phase, using a loop reactor with mixing of the liquid phases. The loop reactor... Evonik Degussa Gmbh

Method for the epoxidation of an olefin with hydrogen peroxide

Epoxidation of an olefin is carried out by continuously reacting the olefin with hydrogen peroxide in the presence of a water soluble epoxidation catalyst, comprising a manganese complex, in a reaction mixture comprising an aqueous liquid phase and an organic liquid phase using a loop reactor with mixing of the... Evonik Degussa Gmbh

Method for the epoxidation of an olefin with hydrogen peroxide

In the method for the epoxidation of an olefin, the olefin is continuously reacted with hydrogen peroxide in a mixed reactor in the presence of a water soluble epoxidation catalyst, comprising a manganese complex, the reaction is carried out in a reaction mixture comprising an aqueous liquid phase and an... Evonik Degussa Gmbh

Adhesives with low voc and fogging values

The invention relates to hotmelt adhesives based on polyesters, having low VOC and fogging values. In particular, the invention is directed to a polyester based on polycarboxylic acids and di- or polyols, wherein the polyester including dicarboxylic acids of the formula HOOC—(CH2)x-COOH with x>10 and diols of the formula HO—(CH2)y-OH,... Evonik Degussa Gmbh

Carbon fibre fibre-sizing containing nanoparticles

A carbon fibre material is coated with nanoparticles, where the coating contains from 0.01 to less than 10% by weight of nanoparticles, based on the dry weight of the coated fibre material, and the coating may optionally be involved in further reactions.... Evonik Degussa Gmbh

Process for the preparation of esters by means of carbonylation of ethers

may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —SO3H, —NH2, halogen; and wherein no alcohol is added to the reaction mixture.... Evonik Degussa Gmbh

Process for the alkoxycarbonylation of ethers

may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen.... Evonik Degussa Gmbh

Process for the alkoxycarbonylation of olefins in a medium having a low brØnsted acid concentration

characterized in that the phosphine ligand is substituted on at least one phosphorus atom by at least one heteroaryl radical.... Evonik Degussa Gmbh

Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds

and R1, R2, R3, R4, R5, R6, in the case that these are —(C1-C12)-alkyl, —(C6-C20)-aryl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C3-C20)-heteroaryl, may be each substituted independently of one another by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl,... Evonik Degussa Gmbh

Process for preparing tris[3-(alkoxysilyl)propyl] isocyanurates

A tris[3-(alkoxysilyl)propyl] isocyanurate from the group of tris[3-(trialkoxysilyl)propyl] isocyanurate, tris[3-(alkyldialkoxysilyl)propyl] isocyanurate and tris[3-(dialkylalkoxysilyl)propyl] isocyanurate is prepared by hydrosilylation, by a) initially charging a mixture of at least one hydroalkoxysilane from the group of hydrotrialkoxysilane, hydroalkyldialkoxysilane, hydrodialkylalkoxysilane [called H-silane(s) for short] and a Pt catalyst, b) heating the mixture to a... Evonik Degussa Gmbh

Process for the alkoxycarbonylation of ethylenically unsaturated compounds with monophosphine ligands

—(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen.... Evonik Degussa Gmbh

Process for the alkoxycarbonylation of alcohols

may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-alkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COON, —OH, —SO3H, —NH2, halogen.... Evonik Degussa Gmbh

1, 1' -bis(phosphino)ferrocene ligands for alkoxycarbonylation

The invention further relates to Pd complex mixtures comprising the diastereomers according to the invention, and to the use thereof in an alkoxycarbonylation process.... Evonik Degussa Gmbh

1, 1' -bis(phosphino)ferrocene ligands for alkoxycarbonylation

The invention also relates to Pd complexes of the compound according to the invention, and to the use thereof in an alkoxycarbonylation process.... Evonik Degussa Gmbh

01/25/18 / #20180023040

Composition containing peptidase and biosurfactant

The invention relates to compositions comprising at least one protease and at least one biosurfactant, particularly selected from rhamnolipids and sophorolipids. In particular, the present invention is directed to a composition including A) at least one peptidase, B) at least one biosurfactant, and optionally C) at least one anionic surfactant.... Evonik Degussa Gmbh

01/18/18 / #20180016392

Modified alkoxylation products having at least one non-terminal alkoxy silyl group, with increased storage stability and improved elongation, and the polymers produced using said products

The present invention provides specific alkoxylation products, a process for preparing them, compositions comprising these alkoxylation products, and their use. In particular the present invention provides an alkoxylation product comprising at least one non-terminal alkoxysilyl group, formed from monomers of at least one alkylene oxide and at least one epoxide... Evonik Degussa Gmbh

01/18/18 / #20180016406

Production of porous polyurethane layers

The use of particular silicon-containing compounds in the production of porous polyurethane layers for improving the flow properties of the reaction mixture which is reacting to form the polyurethane layer and/or for optimizing the cells of the resulting polyurethane layer, preferably for homogenizing the cell structure over the entire resulting... Evonik Degussa Gmbh

01/18/18 / #20180016525

Composition containing rhamnolipid and siloxane

The invention provides compositions comprising at least one rhamnolipid and at least one siloxane, characterized in that the weight ratio of rhamnolipid to siloxane is from 5,000,000:1 to 100:1, preferably from 500,000:1 to 1000:1, particularly preferably from 25,000:1 to 2500:1. In another embodiment, the invention provides compositions include rhamnolipid in... Evonik Degussa Gmbh

01/11/18 / #20180009726

Production of at least 1-hexene and octene from ethene

The invention is concerned with the production of 1-hexene and octenes from ethene. 1-Butene is optionally also to be produced. The problem addressed by the present invention is that of developing a process for producing 1-hexene from ethene by MTHxE etherification to achieve better chemical utilization of the employed carbon... Evonik Degussa Gmbh

01/11/18 / #20180009734

Synthesis of triacetonediamine compounds by reductive amination proceeding from triacetonediamine and derivatives thereof

An N-substituted triacetonediamine compound is produced by reacting 4-amino-2,2,6,6-tetramethylpiperidine or a derivative thereof with a carbonyl compound in a reductive amination.... Evonik Degussa Gmbh

01/11/18 / #20180009752

Process for preparing an n-methyl-substituted triacetonamine compound

An N-methyl-substituted triacetonamine compound can be produced by reacting at least one triacetonamine compound with formaldehyde under reductive conditions.... Evonik Degussa Gmbh

01/11/18 / #20180009930

Amine composition useful for making polyurethane foam

wherein n=1 to 5; and R4, R5 and R6 are each independently hydrogen, methyl, ethyl and propyl groups; hydrogen, a C1-C6 alkyl group compound, a C1-C6 cycloalkyl group compound, a C1-C6 alkenyl group compound, a C1-C6 alkynyl group compound, a C1-C6 aryl group compound, and a C1-C6 aralkyl group compound,... Evonik Degussa Gmbh

01/11/18 / #20180010007

Universal pigment preparation

A universal pigment preparation including a flocculation-stabilizing medium including (a1) reaction products of di- or polycarboxylic acids or hydroxycarboxylic acids with di- or polyols, and (a2) reaction products of alkylene oxides with alkoxylatable compounds, and at least one pigment. Paints, varnishes, printing inks, coating materials, floor coatings, potting compounds and... Evonik Degussa Gmbh

01/04/18 / #20180001516

Process and device for the production of a fibre-composite material

Very good impregnation quality is achieved by a process for production of a fiber-composite material, with introducing a fiber layer by a spreader device and thus spreading to a width greater than that of the final product, at least by a factor of 1.2, where the extent of spreading of... Evonik Degussa Gmbh

01/04/18 / #20180002299

Integrated process for making propene oxide and an alkyl tert-butyl ether

An integrated process for making propene oxide and an alkyl tert-butyl ether comprises dehydrogenating a feed stream comprising iso-butane to provide a stream comprising iso-butene and hydrogen and separating this stream into a stream consisting essentially of hydrogen and a stream comprising iso-butene; reacting a part or all of the... Evonik Degussa Gmbh

01/04/18 / #20180002300

Integrated process for making propene oxide and an alkyl tert-butyl ether

An integrated process for making propene oxide and an alkyl tert-butyl ether comprises dehydrogenating a feed stream comprising propane and iso-butane to provide a stream comprising propene, iso-butene and hydrogen; separating this stream into a stream consisting essentially of hydrogen and a stream comprising propene and iso-butene; separating the stream... Evonik Degussa Gmbh

12/28/17 / #20170367394

Process for increasing the stability of a composition comprising polyunsaturated omega-6 fatty acids

A processes for increasing the stability of a composition containing polyunsaturated an omega-6 fatty acid against oxidation proceeds by (i) providing a starting composition containing at least one polyunsaturated omega-6 fatty acid component; (ii) providing a lysine composition; (iii) admixing an aqueous, an aqueous-alcoholic or an alcoholic solution of starting... Evonik Degussa Gmbh

12/28/17 / #20170369372

Reinforced building block made of autoclaved aerated concrete (aac)

The present invention is directed to a reinforced building block made of autoclaved aerated concrete (AAC) comprising rebars formed essentially from A) at least one fibrous carrier and B) and a hardened composition formed from B1) at least one epoxy compound and B2) at least one diamine and/or polyamine in... Evonik Degussa Gmbh

12/28/17 / #20170369619

Radiation-curable coating compounds consisting of a plurality of components, and the use of same in release-coated substrates

A composition contains at least one siloxane having ethylenically unsaturated, radically-polymerizable groups, and at least one hydrocarbon having 2 to 6 ethylenically-unsaturated, radically-polymerizable groups, and can be used as a release coating, said composition allowing a good degree of release behavior from adhesive compounds while at the same time also... Evonik Degussa Gmbh

12/28/17 / #20170369626

Alkoxysilane-functionalized allophanates

where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and B) at least one diisocyanate B), in a molar ratio of A)... Evonik Degussa Gmbh

12/28/17 / #20170369627

Alkoxysilane-functionalized and allophanate-functionalized urethanes

The present invention relates to alkoxysilane-functionalized and allophanate-functionalized urethanes, methods for the preparation thereof, coating compositions comprising these and to the use thereof.... Evonik Degussa Gmbh

12/28/17 / #20170369631

Alkoxysilane- and allophanate-functionalized coating materials

An alkoxysilane-functionalized and allophanate-functionalized coating material including a) a binder component of 10-99 wt % of at least one reaction product of I. and II. wherein I includes A) at least one alkoxysilane-containing monourethane A) of the formula 1 Rn(OR1)3-nSi—R2—NH—(C═O)—OR3 wherein R, R1, R2 and R3 represent hydrocarbon radicals having... Evonik Degussa Gmbh

12/28/17 / #20170369736

Alkoxysilane-functionalized allophanate-containing coating compositions

where R, R1, R2 and R3 are each independently hydrocarbyl radicals having 1-8 carbon atoms, which may be linear, branched or cyclic, or else may be integrated together to form a cyclic system, and n is 0-2, and ii) at least one diisocyanate ii), in a molar ratio of i)... Evonik Degussa Gmbh

12/21/17 / #20170360072

Process for increasing the stability of a composition comprising polyunsaturated omega-3 fatty acids

A process for increasing the stability of a composition containing a polyunsaturated omega-3 fatty acid against oxidation proceeds by (i) providing a starting composition containing at least one polyunsaturated omega-3 fatty acid component; (ii) providing a lysine composition; (iii) admixing an aqueous, an aqueous-alcoholic or an alcoholic solution of starting... Evonik Degussa Gmbh

12/21/17 / #20170362163

Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine

B) isophoronenitrile is first converted fully or partly in at least two or more than two stages to isophoronenitrile imine, and this isophoronenitrile imine is subjected to aminating hydrogenation to give isophoronediamine as a pure substance or in a mixture with other components and/or isophoronenitrile, in the presence of at... Evonik Degussa Gmbh

12/21/17 / #20170365733

Method for producing doped polycrystalline semiconductor layers

The present invention relates to a method for producing highly doped polycrystalline semiconductor layers on a semiconductor substrate, wherein a first Si precursor composition comprising at least one first dopant is applied to one or more regions of the surface of the semiconductor substrate; optionally a second Si precursor composition... Evonik Degussa Gmbh

12/14/17 / #20170354921

Process for dehumidifying moist gas mixtures

The invention relates to a process for dehumidifying a moist gas mixture. The invention further relates to an apparatus for dehumidifying a moist gas mixture and to the use of said apparatus in the process according to the invention... Evonik Degussa Gmbh

12/14/17 / #20170354922

Process and absorbent for dehumidifying moist gas mixtures

The invention relates to a process for dehumidifying a moist gas mixture in which the moist gas mixtures are brought into contact with an absorbent comprising dialkylimidazolium salts and trialkyl phosphate. In addition, the invention also relates to an absorption heat pump comprising the absorbent according to the invention and... Evonik Degussa Gmbh

12/14/17 / #20170354923

Process for dehumidifying moist gas mixtures

The invention relates to a process for dehumidifying a moist gas mixture. The invention further relates to an apparatus for dehumidifying a moist gas mixture and to the use of said apparatus in the process according to the invention.... Evonik Degussa Gmbh

12/14/17 / #20170354924

Process for dehumidifying moist gas mixtures

The invention relates to a process for dehumidifying a moist gas mixture and to the absorption medium used in the process. The invention further relates to an apparatus for dehumidifying a moist gas mixture and to the use of said apparatus in the process according to the invention.... Evonik Degussa Gmbh

12/14/17 / #20170355651

Oligomerization of ethene in supercritical mode

The invention is concerned with the oligomerization of supercritical ethene. An essential aspect of the invention is that of mixing ethene with an inert medium and setting the conditions in the reaction such that both ethene and inert medium are supercritical. This is because the solubility for ethene in the... Evonik Degussa Gmbh

12/14/17 / #20170355661

2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use

and a process for producing 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine by A) reacting isophorone (IP) and malononitrile to afford the intermediate 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile, and B) hydrogenating 2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)malononitrile in the presence of at least one catalyst. In another embodiment, the hydrogenation in step B) of the process is performed at 20-120° C. and at 20-300 bar.... Evonik Degussa Gmbh

12/14/17 / #20170355662

2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use

Also disclosed is a process for producing 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine by A) reacting isophorone nitrile and malononitrile to afford the intermediate 2-(3-cyano-3,5,5-trimethylcyclohexylidene)malononitrile, and B) hydrogenating 2-(3-cyano-3,5,5-trimethylcyclohexylidene)malononitrile in the presence of at least one catalyst. In another embodiment, the hydrogenation in step B) of the process is performed at 20-120° C. and at... Evonik Degussa Gmbh

12/14/17 / #20170355674

Process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine

reacting triacetonamine (TAA) and malononitrile to afford the intermediate 2-(2,2,6,6-tetramethylpiperidin-4-ylidene)malononitrile, and B) hydrogenating 2-(2,2,6,6-tetramethylpiperidin-4-ylidene)malononitrile in the presence of at least one catalyst. In another embodiment, the hydrogenation in step B) of the process is performed at 20-120° C. and at 20-300 bar. In another embodiment, the hydrogenation in step B)... Evonik Degussa Gmbh

Patent Packs
12/14/17 / #20170355680

Method of preparing a high purity imidazolium salt

and wherein A− is... Evonik Degussa Gmbh

12/14/17 / #20170355681

Process for purifying an ionic liquid

The invention relates to a process for purifying an ionic liquid comprising dialkylimidazolium ions by means of stripping, wherein water vapour is used at a particular temperature. The process according to the invention is characterized in that the decomposition of the ionic liquid is minimized during the procedure of the... Evonik Degussa Gmbh

12/14/17 / #20170355682

Method of preparing a high purity imidazolium salt

and wherein A− is... Evonik Degussa Gmbh

12/14/17 / #20170355808

Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener

An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the... Evonik Degussa Gmbh

12/14/17 / #20170355809

Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (am-cpda) as hardener

An epoxy resin composition including A) at least one epoxy compound and B) a hardener composition including B1) 0.1%-100% by weight of 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, and B2) 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of... Evonik Degussa Gmbh

12/14/17 / #20170355810

Epoxy resin composition comprising 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine as hardener

An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the... Evonik Degussa Gmbh

12/14/17 / #20170355814

Isocyanate-free synthesis of carbonate-modified polymers

The present invention relates to an isocyanate-free and preferably solvent-free process for preparing polymers containing five-membered cyclic carbonate groups. In particular, the present invention is directed to a process for preparing polymers bearing cyclic carbonate groups by reacting carboxyl-bearing polymers selected from the group including polyesters based on di- or... Evonik Degussa Gmbh

12/07/17 / #20170349520

Singly protected 2,2' -dihydroxybiaryls

Novel singly protected 2,2′-dihydroxybiaryls, electrochemical process for preparation of singly protected 2,2′-dihydroxybiaryls.... Evonik Degussa Gmbh

12/07/17 / #20170349693

Innovative hydrophilic polyisocyanates with improved storage stability

The invention relates to innovative, water-dispersible, hydrophilic polyisocyanates and polyisocyanate mixtures, to a process for preparing them, to compositions comprising the hydrophilic polyisocyanates of the invention, and to their use as a starting component in the production of polyurethane plastics, more particularly as crosslinkers for water-soluble or water-dispersible film-forming, adhesives... Evonik Degussa Gmbh

11/30/17 / #20170340683

Bacillus subtilis strain with probiotic activity

The current invention concerns a new B. subtilis strain with strong inhibition of C. perfringens and its use as a probiotic.... Evonik Degussa Gmbh

11/30/17 / #20170342095

Organofunctional silicon particles, process for the production thereof and use thereof

Organofunctional silicon particles are covalently functionalized on their surface with at least one organic compound, for example a plurality of —O—(C1-C48)-alkyl compounds. The functionalization of the surface of the silicon particles makes it possible to adjust the properties of fluids in terms of their profile of properties by addition of... Evonik Degussa Gmbh

11/30/17 / #20170342197

One component epoxy curing agents comprising hydroxyalkylamino cycloalkanes

Liquid epoxy curing agents that have improved latency over conventional liquid curing agents while retaining the physical properties of the cured material are disclosed. These liquid curing agents can be used for curing epoxy resins, or in combination with dicyandiamide (DICY) based curing agents in order to accelerate DICY curing.... Evonik Degussa Gmbh

11/23/17 / #20170334822

Production of n-pentanal from low-butene feedstock mixtures

The invention is concerned with the issue of how to produce n-pentanal by hydroformylation from feedstock mixtures comprising a small proportion of n-butene and a large proportion of n-butane. Specifically, solutions for further optimizing established processes for hydroformylation of such low-butene mixtures in terms of material utilization are sought. The... Evonik Degussa Gmbh

11/23/17 / #20170335238

Concentrated, low-viscosity rhamnolipid compositions

A rhamnolipid composition including 30% by weight to 70% by weight, of at least one rhamnolipid and 30% by weight to 70% by weight of water, where the percentages by weight refer to the total composition, wherein the pH of the composition at 25° C. is from 5.5 to 7.0.... Evonik Degussa Gmbh

11/23/17 / #20170338487

Method for producing a cathode material and special cathode material

A pulverulent cathode material contains at least one mixed oxide containing the metal components Li, at least one further metal component selected from the group consisting of Mn, Ni and Co. The pulverulent cathode material is produced by a process in which an ammonia-containing aerosol containing metal compound of the... Evonik Degussa Gmbh

Patent Packs
11/16/17 / #20170327422

Use of aqueous emulsions based on propylethoxysilane oligomers as an additive in hydraulically setting cement compositions for reduction of shrinkage characteristics

An aqueous oil-in-water emulsion containing a propylethoxysilane oligomer mixture or a mixture of a propylethoxysilane oligomer mixture and octyltriethoxysilane in a weight ratio of 3:1 to 1:3, at least one emulsifier or an emulsifier system, at least one content of a 2-aminoethanol and water is used as an addition in... Evonik Degussa Gmbh

11/02/17 / #20170313805

Tertiary amine composition and making the composition

A composition and method for producing a tertiary amine is disclosed. The tertiary amine is contacted with an inert gas. The inert gas is nitrogen or more preferably argon. The amine composition is useful in producing polyurethane foam with lower levels of chemical emissions particularly lower emissions of toxic chemicals.... Evonik Degussa Gmbh

10/26/17 / #20170303561

Method for producing biomass which has a high exopolysaccharide content

According to the invention, it was found that culturing of cells of the taxon Labyrinthulomycetes in a high content of sulphate makes it possible to obtain a biomass having a high EPS content, which biomass can in addition be advantageously further processed into a feedstuff.... Evonik Degussa Gmbh

10/26/17 / #20170305784

Process for producing structured coatings

The present invention, relates, to a process, for producing structured coatings, in which a coating composition comprising at least one inorganic binder, at least one oxide pigment which, after addition of a mixture consisting of 15 ml of 1 M oxalic acid and 15 ml of 20% aqueous hydrochloric acid... Evonik Degussa Gmbh

10/26/17 / #20170305846

2,2' -diaminobiaryls having a phthaloyl group or succinoyl group

Novel 2,2′-diaminobiaryls having two secondary amines and an electrochemical process for preparation thereof.... Evonik Degussa Gmbh

10/26/17 / #20170306264

Biosurfactant-containing formulation

The present invention further relates to a biosurfactant-containing formulation including A) at least one biosurfactant, and B) at least one additional surfactant selected from the group of betaines, alkoxylated fatty alcohol sulphates and alkylamine oxides, wherein the biosurfactant-containing formulation may be used on hard surfaces.... Evonik Degussa Gmbh

10/26/17 / #20170306365

Process for producing a pufa-containing feedstuff by extruding a pufa-containing biomass

In accordance with the invention, it was found, surprisingly, that a polyunsaturated fatty acids (PUFAs)-comprising biomass with other feedstuff components can be extruded at a low energy input of 12-28 Wh/kg to give an extrudate with a very high oil load capacity.... Evonik Degussa Gmbh

10/26/17 / #20170306366

Use of inducible promoters in the production of methionine

The invention also concerned the modified microorganism used in the method.... Evonik Degussa Gmbh

10/19/17 / #20170295782

Use of hydrophobic, self-emulsifying polyglycerol esters as adjuvants and anti-spray-drift agent

Compositions comprising at least one hydrophobic, at least partially water-insoluble polyglycerol ester in combination with at least one emulsifier, and the use thereof.... Evonik Degussa Gmbh

10/19/17 / #20170295823

Feedstuff of high abrasion resistance and good stability in water, containing pufas

According to the invention, it was found that, surprisingly, a feedstuff having a very high abrasion resistance and very high water stability can be obtained when a PUFA-containing biomass having a high sulphate content is used for producing the feedstuff.... Evonik Degussa Gmbh

10/19/17 / #20170295824

Process for producing a pufa-containing biomass which has high cell stability

According to the invention, it was found that culturing of PUFA-producing cells in a content of sulphate makes it possible to obtain a biomass having high cell stability and thus PUFAs protected against oxidation in a sustained manner, which biomass can in addition be advantageously further processed into a feedstuff.... Evonik Degussa Gmbh

10/19/17 / #20170298003

Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine

A process for fine purification of isophoronediamine (IPDA), including producing IPDA by aminating hydrogenation of isophorone nitrile in the presence of at least ammonia, hydrogen, a a hydrogenation catalyst and optionally further additions to obtain a crude IPDA, and subjecting the crude IPDA to a fine purification via two vacuum... Evonik Degussa Gmbh

10/19/17 / #20170298013

2,2' -diamino biaryls with two secondary amines and production thereof by electrochemical coupling

Novel 2,2′-diamino biaryls of formula (I), (II) and (III), wherein R1-R10, R1′-R10′, X1-X3 and X1-X3′ are defined in claim 1. The invention also relates to an electrochemical method for the production thereof.... Evonik Degussa Gmbh

10/19/17 / #20170298250

Liquid coating compositions, processes for production thereof and use thereof

The present invention relates to a liquid coating composition comprising i) at least one inorganic binder of the generic formula SiaR1bOc(OR2)d with a≧2, b≧0, c≧1, d≧5 and R1 and R2=organic radical, ii) at least one solvent and iii) at least one oxide pigment which, after addition of a mixture consisting... Evonik Degussa Gmbh

10/19/17 / #20170298294

Fabric softener active composition

A fabric softener active composition, comprising as component A at least 50% by weight of a bis-(2-hydroxypropyl)-dimethylammonium methylsulphate fatty acid ester having a molar ratio of fatty acid moieties to amine moieties of from 1.5 to 1.99, an average chain length of the fatty acid moieties of from 16 to... Evonik Degussa Gmbh

10/19/17 / #20170298318

Method for producing a granular biomass which contains an oxidation-sensitive valuable substance

According to the invention, it has been found that a particulate biomass containing an oxidation-sensitive material of value can be converted into a particularly easy-to-handle product in a gentle manner if it is subjected to a granulation with the addition of an agglomeration auxiliary.... Evonik Degussa Gmbh

10/12/17 / #20170290356

Method for raising animals

According to the invention, it was found that a feedstuff containing an Aurantiochytrium biomass brings about a significant increase in growth in fish.... Evonik Degussa Gmbh

10/12/17 / #20170291871

2,2' -diaminobiaryls having one primary and one secondary amine

Novel 2,2′-diaminobiaryls having one primary and one secondary amine and an electrochemical process for preparation thereof.... Evonik Degussa Gmbh

10/12/17 / #20170291913

Process for preparing a composition containing 2-propylheptyl silicate

A composition containing 2-propylheptyl silicate is obtained by heating ethyl silicate with an amount of 2-propylheptanol used in excess in the presence of titanium tetrabutoxide as catalyst to a temperature of not more than 220° C. while mixing, allowing them to react and, after the reaction, removing ethanol and excess... Evonik Degussa Gmbh

10/05/17 / #20170283554

Process for the preparation of eugenol polyethers that can be hydrosilylated and eugenol polyethersiloxanes and use thereof

The present invention relates to a process for producing hydrosilylatable, eugenol-based polyethers, to the conversion thereof into polyether siloxanes and also to the products that may be produced by this process and to the use of said products as surfactants.... Evonik Degussa Gmbh

10/05/17 / #20170283961

2,2' -diaminobiaryls having two secondary amines

Novel 2,2′-diaminobiaryls having two secondary amines and an electrochemical process for preparation thereof.... Evonik Degussa Gmbh








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