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Roquette Freres
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Roquette Freres patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Roquette Freres-related inventors


Rectangular parallelepipedal maltitol

The invention concerns maltitol crystals, characterized in that they have a rectangular parallelepipedal shape and have a length to width dimensional ratio in the range 1.8 to 5.3, preferably 3±0.7, and a process for producing them.... Roquette Freres

 new patent  Biomass of the microalgae schizochytrium mangrovei and preparing same

The invention concerns a strain of Shizochytrium mangrovei filed on 22 Nov. 2012 with the CNCM as number 1-4702 having the ability to produce a high quantity of docosahexaenoic acid (or DHA) and palmitic acid, the methods for producing the corresponding biomass containing said lipid compounds of interest, and the... Roquette Freres

Method for fractionating components of a biomass of protein-rich microalgae

separation of the preceding soluble fraction by precipitation, so as to obtain a peptide isolate and a peptide concentrate.... Roquette Freres

Method for obtaining a peptide isolate from a biomass of protein-enriched microalgae

essentially arginine and glutamic acid.... Roquette Freres

Method for preparing a flour of lipid-rich crushed microalgae

(f) drying said emulsion to obtain the microalgal flour.... Roquette Freres

Process for enriching the biomass of microalgae of the thraustochytrium genus with dha and with arg and glu amino acids

The present invention relates to a process for enriching a biomass of microalgae of the Thraustochytrium genus with DHA and with arginine and glutamic acid amino acids, characterized in that it comprises a step aimed at limiting the rate of growth of the microalga while at the same time maintaining... Roquette Freres

Composition of soluble indigestible fibers and of microalgae, used in the well-being field

The subject matter of the present invention is the use of soluble indigestible fibre for inducing lysis of the cell walls of eukaryotic microalgae in the lumen of the intestine of an omnivorous or carnivorous animal comprising an intestinal flora and also for synergistically increasing the effect of the indigestible... Roquette Freres

Low-fat fried product and producing same

The invention also relates to the method for producing said fried products.... Roquette Freres

Method for recovering succinic acid crystals using surfactants during crystallisation, and resulting crystals

The invention relates to a method for producing succinic acid crystals, comprising double crystallisation and the use of at least one surfactant during the first crystallisation step. The invention also relates to the succinic acid crystals obtained from a fermentation medium, characterised in that they have a colour index b,... Roquette Freres

Method for the valorisation of yeast biomass resulting from the production of ethanol

The invention relates compositions rich in yeast proteins, methods for producing processing wheat for recovery of the compositions rich in yeast proteins, and uses thereof as animal feed.... Roquette Freres

Method for producing a polyester containing at least one 1,4:3,6-dianhydrohexitol unit with improved colouring

The invention concerns a method for producing a polyester containing at least one 1,4:3,6-dianhydrohexitol unit comprising:·a step of introducing, into a reactor, monomers comprising at least one monomer (A) that is a diacid or a diester and at least one monomer (B) that is a 1,4:3,6-dianhydrohexitol;·a step of introducing, into... Roquette Freres

Process for manufacturing succinic acid from a fermentation broth using nano filtration to purify recycled mother liquor

The present invention relates to a process for manufacturing succinic acid as obtained by fermentation, said process exhibiting a high yield in terms of succinic acid crystals recovery and allowing to achieve a final product with a low content of saccharides.... Roquette Freres

Isosorbide epoxide diesters, and the use thereof as a plasticizer in pvc compositions

The invention relates to isosorbide epoxide esters having Formulas (I), (II), and (III), to the mixtures thereof, and to the use thereof as an additive in PVC compositions, particularly as a plasticizer.... Roquette Freres

Composition of soluble indigestable fibers and of eukaryotic organisms with a polysaccharide wall, used, in the well-being field

The invention relates to the use of branched maltodextrins for inducing lysis of the cell walls of eukaryotic organisms having a polysaccharide wall in the lumen of the intestine of an omnivorous or carnivorous animal comprising an intestinal flora and also for synergistically increasing the effect of the branched maltodextrins... Roquette Freres

Method for preparing thermoplastic polyurethane pellets

The present invention relates to a method for manufacturing thermoplastic polyurethane pellets by means of reactive extrusion of: a long macrodiol with a molecular weight of 500 to 3000 g/mol; a diisocyanate; at least one chain extender comprising a dianhydrohexitol; and a polymerization catalyst. The invention also relates to the... Roquette Freres

Compressible and free-flow co-agglomerates of mannitol and granular starch

Co-agglomerates of crystalline mannitol and granular starch, characterised in that they have a compressibility, as determined according to a test A, higher than 120 N, and preferably of 200 to 450 N, and a flow time, as determined according to a test B, of 3 to 15 seconds, and preferably... Roquette Freres

Method for conditioning a dianhydrohexitol, aqueous solution of conditioned dianhydrohexitol, and uses thereof

The invention relates to a method for conditioning a dianhydrohexitol in the form of an aqueous solution in a container comprising a polyolefin-based layer. The invention also relates to the aqueous solution of thus-conditioned dianhydrohexitol, and to all the uses thereof, in particular those intended for food and pharmaceutical purposes.... Roquette Freres

Dextrin copolymer with styrene and an acrylic ester, manufacturing method thereof, and use thereof for paper coating

Disclosed is a copolymer of a dextrin and at least two hydrophobic monomers made up of styrene and at least one straight or branched acrylic C1-C4 ester. The invention also relates to the manufacturing method thereof and to the use thereof in paper coating. The copolymer has high dextrin content... Roquette Freres

Liquid plasticising composition

Disclosed is a composition that is liquid at ambient temperature and that includes: •at least one diester of 1,4:3,6-dianhydrohexitol(A); •at least one compound (B), chosen from the modified fatty acids and modified fatty acid esters, the compound (B) bearing at least one epoxy and/or acetyl function; the liquid composition including... Roquette Freres

Sugar compositions for tableting by direct compression

The present invention relates to directly compressible compositions comprising more than 30% by weight of allulose, and to tablets obtainable thereof.... Roquette Freres

Thermoplastic aromatic polyesters comprising tetrahydrofuran-dimethanol motifs

A thermoplastic polyester includes: at least one tetrahydrofuran-dimethanol diol motif (A); and at least one aromatic acid motif (B) selected from terephthalic acid, isophthalic acid, phthalic acid, 2,6-naphthalene dicarboxylic acid and 1,4-naphthalene dicarboxylic acid, the glass transition temperature thereof being higher than, or equal to, 50° C. A method for... Roquette Freres

Method for extracting soluble proteins from microalgal biomass

Method for preparing a protein isolate of the biomass of microalgae of the genus Chlorella, includes: supplying a microalgal biomass produced by fermentation; optionally washing the biomass so as to eliminate soluble interstitial compounds, thermal permeabilization of the biomass at a temperature between 50 and 150° C., for between 10... Roquette Freres

Thermoplastic aromatic polyesters comprising tetrahydrofuran-dimethanol and furandicarboxylic acid motifs

A thermoplastic polyester includes: at least one tetrahydrofuran-dimethanol diol motif (A); at least one furandicarboxylic acid motif (B); and at least one aliphatic diol motif (C). A method for producing polyester including the motifs (A), (B) et (C) is also described.... Roquette Freres

Methanogen substrate for biogas production

The use of a product for internal dehydration of hydrogenated sugar as a methanogen substrate in a method for biogas production, a composition including a monoanhydrohexitol (M), a dianhydrohexitol (D), and anhydrohexitol polymers (P), and a methanisation method.... Roquette Freres

Novel fat-free confectionery item

Disclosed is a novel confectionery item, and more particularly a chewing gum of which the fat content has been reduced or totally eliminated. This reduction or elimination of the fat makes it possible to obtain a confectionery item that has a reduced caloric load, while keeping a texture similar to... Roquette Freres

Novel composition of a confectionery product

A novel composition of a confectionery or pharmaceutical product, characterised in that it includes 30 to 70 wt % of a bulking agent other than maltitol having a specific surface area smaller than 0.5 m2/g and also having a reduced amount of base gum, with no negative effect on the... Roquette Freres

Novel sweetening composition

A sweetening composition including from 80% to 95% by weight of crystalline pulverulent sorbitol and having an enthalpy of at most 150 J/g, a low specific surface area, a particular particle size and an excellent flow ability. Also the process for producing this novel sweetening composition, and the use of... Roquette Freres

Agitator shaft for a grinding mill

An agitator shaft (1) for a grinding mill, including: —an axle (2) intended to be driven in rotation, —a succession of flat agitator elements (3) and tubular spacers (4) mounted in alternation on the axle and in a stack along the axle (2), —end stops (5, 6), secured to the... Roquette Freres

Method for extracting soluble proteins from microalgal biomass

A method for preparing a protein isolate of the biomass of microalgae of the genus Chlorella, includes the following steps: supplying a microalgal biomass produced by fermentation, washing the biomass so as to eliminate the soluble interstitial compounds and concentrating the biomass, mechanically grinding the washed and concentrated biomass in... Roquette Freres

Production of xylitol from glucose by a recombinant strain

The present invention relates to a recombinant microbial host for the production of xylitol, the recombinant microbial host containing a nucleic acid sequence encoding an NAD+-specific D-arabitol 4-oxidoreductase (EC 1.1.1.11) using D-arabitol as substrate and producing D-xylulose as product, and a nucleic acid sequence encoding an NADPH-specific xylitol dehydrogenase using... Roquette Freres

Method for producing compositions of furan glycidyl ethers, compositions produced and uses of same

A method for producing a composition of glycidyl ethers synthesised from furan derivatives (furan glycidyl ethers), partly characterized by azeotropic distillation performed under reduced pressure and without the addition of a catalyst. Such products are used to produce epoxy resins, with the aim of forming a three-dimensional macromolecular network. With... Roquette Freres

Method for maufacturing a stable aqueous solution of beta-amylase, aqueous solution obtained and uses thereof

The present invention relates to a method for stabilising an aqueous solution of β-amylase, in particular by the use of glycerol, potassium sorbate and sodium carbonate. The cocktail of additives is particularly effective at maintaining the enzymatic activity of β-amylase over time. Another aim of the present invention consists of... Roquette Freres

Assembly of at least one plant protein and at least one milk protein, production thereof and uses of same

A novel method for producing an assembly of at least one milk protein and at least one plant protein in different food matrices or compositions. The assembly of at least one milk protein and at least one plant protein produced in this way, and the use of the assembly are... Roquette Freres

Method for thermal permeabilization of a microalgae biomass

Disclosed is a method for thermal permeabilization of the biomass of microalgae of the Chlorella genus in such a way as to recover therefrom the soluble fractions which are enriched in particular with proteins and with oligosaccharides, including the following steps: provision of a microalgae biomass; heat treatment in steps... Roquette Freres

Optimized decontaminating production of glucose polymers and glucose polymer hydrolyzates

The present invention relates to a method for decontaminating glucose polymers or the hydrolysates of the pro-inflammatory molecules thereof. Said method includes a) providing glucose polymers or the hydrolysates thereof, b) optionally, detecting or assaying the pro-inflammatory molecules in the glucose polymers or the hydrolysates thereof provided in Step a),... Roquette Freres

03/23/17 / #20170081699

Biological dosage of peptidoglycans

The present invention relates to a biological method for the dosage of peptidoglycans in a sample, especially a sample of glucose polymers.... Roquette Freres

02/16/17 / #20170043290

Method for in-line control of the integrity of a filtering system

A method for in-line control of the integrity of a filtering system implemented during an industrial process including the filtering of a gas through the filtering system, the filtering system including at least one filtering cartridge, the method including at least the following steps: —a measurement step (S1) which involves... Roquette Freres

02/02/17 / #20170030895

Methods for detecting contaminants in solutions containing glucose polymers

The invention relates to a method for detecting contaminants of glucose polymers, said contaminants being capable of acting in synergy with one another so as to trigger an inflammatory reaction, characterized in that it comprises an in vitro inflammatory response test using modified cell lines.... Roquette Freres

01/05/17 / #20170002132

Process for producing isohexide glycidyl ethers, products thus obtained, and uses thereof

A process for producing bis-anhydrohexitol ether compositions and in particular isohexide glycidyl ether compositions, one of the originalities of which is azeotropic distillation carried out under reduced pressure. Such compositions are used to produce epoxy resins, the function thereof being to form a three-dimensional macromolecular network. The compositions obtained according... Roquette Freres








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