Patent application number | Description | Published |
20080214880 | Process for Dehydrating Glycerol to Acrolein - The present invention relates to a process for manufacturing acrolein by gas-phase dehydration of glycerol in the presence of strongly acidic solid catalysts with a Hammett acidity H | 09-04-2008 |
20080319233 | Acrolein Preparation Method - The invention relates to a method for preparing acrolein from propylene, consisting of a first glycerol dehydration step preformed in the presence of a gas containing propylene and, more specifically, in the presence of the reaction gas originating from the propylene to acrolein oxidation step. The inventive method enables the use, in part, of renewable raw material, while increasing acrolein production. | 12-25-2008 |
20090018362 | ACRYLIC ACID PREPARATION METHOD - The invention relates to a method for preparing acrylic acid from propylene, comprising the oxidation of propylene to acrolein and a second step comprising the oxidation of acrolein to acrylic acid, including a glycerol dehydration step preformed in the presence of a gas containing propylene and, more specifically, in the presence of the reaction gas originating from the propylene to acrolein oxidation step. The inventive method enables the use, in part, of renewable raw material, while increasing acrylic acid production. | 01-15-2009 |
20090105507 | Process for Preparing Partial Oxidation Products of Lower Alcohols by Direct Oxidation of a Lower Alcohol and Catalysts for Use in that Process - The use of a complex oxide having the following composition (I). M0 | 04-23-2009 |
20100048850 | METHOD FOR THE SYNTHESIS OF ACRYLONITRILE FROM GLYCEROL - The invention relates to a novel way to synthesize acrylonitrile from a renewable raw material and more particularly relates to a method for producing acrylonitrile by the ammoxidation of glycerol in gaseous phase. The method can be implemented in a single step, or the glycerol can be previously submitted to a dehydration step. The acrylonitrile thus obtained meets the requirements of green chemistry. | 02-25-2010 |
20100099894 | Method for the Synthesis of Cyclic Acetals by the Reactive Extraction of a Polyol in a Concentrated Solution - A method for the synthesis of cyclic acetals comprises reacting at least one carbonyl-function compound selected from aldehydes, ketones, and/or linear acetals, on a polyol in a concentrated aqueous solution exceeding 20 wt % in a reactor containing an acidic catalyst. The carbonyl-function compound is selected so that the cyclic acetal obtained has a water solubility lower than 20000 mg/kg. During the catalytic reaction for the cyclic acetal synthesis, at least one portion of the organic phase containing the cyclic acetal is separated. The acidic catalysis is either homogeneous when using a water-soluble strong acid, or heterogeneous when using a solid acid such as a resin, a zeolite, or any appropriately acidified solid. The extractive reaction method can be used for obtaining high conversions and selectivity. | 04-22-2010 |
20100168453 | METHOD FOR THE SYNTHESIS OF OMEGA-AMINO-ALKANOIC ACIDS - The invention relates to a method for the synthesis of amino acids/esters of general formula NH | 07-01-2010 |
20100168471 | METHOD FOR PREPARING ACRYLIC ACID FROM GLYCEROL - The invention relates to a method for preparing acrylic acid from an aqueous glycerol solution, comprising a first step of dehydration of the glycerol to acrolein, carried out in the gas phase in the presence of a catalyst and under a pressure of between 1 and 5 bar, and a second step of oxidation of the acrolein to acrylic acid, in which an intermediate step is implemented, consisting in at least partly condensing the water and heavy by-products present in the stream issuing from the first dehydration step. This method serves to obtain high acrylic acid productivity and selectivity. | 07-01-2010 |
20100196973 | METHODS FOR THE SYNTHESIS OF FATTY DIACIDS BY THE METATHESIS OF UNSATURATED DIACIDS OBTAINED BY FERMENTATION OF NATURAL FATTY ACIDS - The invention relates to a method for the synthesis of diacids of general formula ROOC—(CH | 08-05-2010 |
20100203600 | METHOD FOR THE COPRODUCTION OF METHYL 7-OXOHEPTANOATE AND UNDECYLENIC ACID FROM RICINOLEIC ACID - The invention relates to a method for converting ricinoleic acid that comprises the following successive stages:
| 08-12-2010 |
20100204502 | PROCESS FOR MANUFACTURING ACROLEIN FROM GLYCEROL - The subject of the present invention is a process for preparing acrolein by dehydration of glycerol in the presence of a catalyst system based on iron phosphorous oxide containing, in addition, one or more elements chosen from alkali metals, alkaline-earth metals, AI, Si, B, Co, Cr, Ni, V, Zn, Zr, Sn, Sb, Ag, Cu, Nb, Mo, Y, Mn, Pt, Rh and the rare earths La, Ce, Sm. The process is preferably carried out in the gas phase in the presence of oxygen starting from aqueous solutions of glycerol. The process according to the invention makes it possible of obtain high acrolein selectivities. | 08-12-2010 |
20100216198 | METHOD FOR THE SYNTHESIS OF OMEGA-UNSATURATED FATTY ACIDS - The invention relates to a method for the synthesis of short-chain ω-unsaturated fatty acids of general formula CH | 08-26-2010 |
20100230635 | Glycerol Vaporization Method - The subject matter of the present invention relates to a vaporization method of aqueous glycerol solutions in a fluidized bed containing an inert solid. The invention provides a method for vaporizing, in a single step, an aqueous glycerol solution and simultaneously eliminating the impurities present in this solution or generated during the evaporation. | 09-16-2010 |
20100274038 | METHOD FOR SYNTHESIS OF ACROLEIN FROM GLYCEROL - The invention provides a technology for producing acrolein from glycerol while maintaining high reagent partial pressures, which leads to higher yield. The invention more particularly relates to a method for producing acrolein from glycerol that comprises the intermediate step of forming glycerol and acrolein cyclic acetals. | 10-28-2010 |
20100305354 | METHOD FOR THE SYNTHESIS OF DIACIDS OR DIESTERS FROM NATURAL FATTY ACIDS AND/OR ESTERS - The invention relates to a process for the synthesis of diacids or diesters of general formula ROOC—(CH | 12-02-2010 |
20110002836 | Method for Manufacturing Nitric Acid - The present invention relates to a method for manufacturing nitric acid wherein a gaseous mixture, including air and ammonia, is transported on a catalyst including platinum to carry out catalytic oxidation of the ammonia, and is characterized in that a sulfurated component is added to the gaseous mixture. | 01-06-2011 |
20110028760 | METHOD FOR THE REACTIVE VAPORIZATION OF GLYCEROL - The subject of the present invention is a method for the reactive vaporization of aqueous solutions of glycerol in a fluidized bed containing a reactive solid. The method of the invention makes it possible to simultaneously vaporize an aqueous solution of glycerol, to remove the impurities that are present in this solution or that are generated during the evaporation, and to carry out the dehydration reaction of the glycerol to acrolein and/or the oxydehydration reaction of the glycerol to acrylic acid. | 02-03-2011 |
20110071322 | METHOD FOR THE SYNTHESIS OF DIALKOXY ALKANES BY MEANS OF THE SELECTIVE OXIDATION OF ALCOHOLS - The invention relates to a method for the synthesis of dialkoxyalkanes by means of the partial selective oxidation of a light alcohol. According to said method, the light alcohol is oxidised in the presence of molecular oxygen or a gas containing molecular oxygen, and a solid oxidation catalyst based on at least one metal in a reactive medium comprising a gaseous phase containing an acid compound according to the Pearson classification, having a pKa of less than 6.3 in solution in water. The reaction is carried out in a vapour or in a liquid phase. | 03-24-2011 |
20110082319 | Method for producing acrolein by means of dehydration of glycerol - The invention relates to a method for the synthesis of acrolein by means of dehydration of the glycerol in the presence of a solid acid catalyst having a Hammett acidity of less than +2, such as sulfated zirconium oxides, phosphated zirconium oxides, tungstated zirconium oxides, silicated zirconium oxides, sulfated tin or titanium oxides, phosphated aluminas or silicas, doped iron phosphates, and phosphotungstic or silicotungstic acid salts placed in a reactive medium comprising a gaseous phase containing between 1 and 3000 ppm of an acid compound according to the Pearson classification, selected, for example, from SO3, SO2, and NO2, the dehydration reaction being carried out either in a gaseous phase or in a liquid phase. | 04-07-2011 |
20110104044 | DIRECT SYNTHESIS OF AQUEOUS HYDROGEN PEROXIDE SOLUTION AT THE SITE OF A PAPER MILL - The invention relates to a plant for producing hydrogen peroxide by direct synthesis (i.e. hydrogen reacts with oxygen in the presence of a catalyst), which is on-site at a paper mill. The invention relates to a method for manufacturing hydrogen peroxide by direct synthesis from hydrogen originating from the recovery of the spent liquor during the manufacture of wood pulp or cellulose pulp. | 05-05-2011 |
20110104097 | TOPICAL COMPOSITIONS FOR THE PRESERVATION OF A HUMAN OR ANIMAL BODY - The present invention relates to a novel composition, having a non-therapeutic purpose, that contains at least one POM (PolyOxyMethylene dialkyl ether) and/or at least on dialdehyde acetal, and also at least one biocidal agent and optionally at least one pro-penetrating agent. It also relates to the topical use of this composition for preserving and/or embalming a human or animal body. | 05-05-2011 |
20110104764 | METHOD FOR SYNTHESISING OMEGA-AMINO-ALKANOIC ACIDS OR THE ESTERS THEREOF FROM NATURAL FATTY ACIDS - The invention relates to a method for synthesizing ω-amino-alkanoic acids or the esters thereof from mono-unsaturated natural fatty acids comprising at least one step of forming the unsaturated diacid corresponding to the original fatty acid. | 05-05-2011 |
20110105774 | METHOD FOR SYNTHESISING 9-AMINONONANOIC ACID OR THE ESTERS THEREOF FROM NATURAL UNSATURATED FATTY ACIDS - The invention relates to a method for synthesizing 9-aminononanoic acid or the esters thereof from natural unsaturated fatty acids, comprising at least one step of metathesis of the natural fatty acid and an oxidation step by oxidative cleaving. Said synthetic method uses widely available renewable starting materials and hence economical. | 05-05-2011 |
20110118486 | USE OF PARTICLE FILTERS FOR LIMITING CATALYST DEACTIVATION - The invention relates to the use of monoliths as particle filters for limiting the deactivation of catalysts during catalytic reactions in multi-tubular reactors. The invention is particularly well-suited for catalytic oxidation reactions in the gaseous phase. The invention also relates to multi-tubular reactors including monoliths as particle filters. | 05-19-2011 |
20110118507 | METHOD FOR PRODUCING DIALKOXY ALKANES BY PARTIAL OXIDATION OF LOWER ALCOHOLS IN THE PRESENCE OF A CATALYST BASED ON MOLYBDENUM AND IRON - The invention relates to a method for producing alkoxy alkanes by direct partial oxidation of a lower alcohol with a catalyst based upon mixed oxide containing molybdenum and at least one other metal selected from the metals that can assume a trivalent oxidation state such as Fe, Bi, Al, Cr, In, La, Sb, and/or a metal selected from Ni, Co, Cu, V, W, Ti, Ta, Nb, Mn, Sn, P. | 05-19-2011 |
20110124913 | METHOD FOR PRODUCING BIORESOURCED PROPIONIC ACID FROM GLYCEROL - The invention relates to a method for producing bioresourced propionic acid from glycerol. The invention also relates to a composition comprising more than 85 mass % of bioresourced propionic acid, and to the use of the propionic acid obtained from the method as a solvent, as a food preservative, for producing herbicide or for preparing vinyl propionate. | 05-26-2011 |
20110136954 | BIOSOURCED ACROLEIN POLYMER, METHOD FOR OBTAINING SAME, AND USES THEREOF - The present invention relates to an acrolein polymer containing a carbon biosourced according to the ASTM D6866-06 standard, and to the preparation method thereof including a first step for dehydrating glycerol from a glycerol aqueous solution in the presence of an acid catalyst, followed by a polymerization of the obtained substance in the presence of an ionic catalyst or a free radical initiator. The polymer according to the invention has numerous uses in the fields of animal health, antibiotics, disinfection and sterilization, cosmetics, drilling sludge, paints and inks, and the paper and textile industries, and responds to certain sustainable development concerns. | 06-09-2011 |
20110150743 | HYDROCYANIC ACID CONTAINING BIORESOURCE CARBON - The invention relates to a hydrocyanic acid containing bioresource carbon, and to a method for producing a raw material mainly containing the same by reacting ammonia with methane or methanol optionally in the presence of air and/or oxygen, characterized in that at least one of the reagents selected from ammonia, methane and methanol is obtained from a biomass. The invention also relates to the uses of the raw material for producing acetone cyanohydrin, adiponitrile, methionine or methionine hydroxyl-analog, and sodium cyanide. | 06-23-2011 |
20110160419 | PRODUCTION OF VINYL PROPIONATE FROM RENEWABLE MATERIALS, VINYL PROPIONATE OBTAINED, AND USES THEREOF - The invention relates to vinyl propionate in which at least part of the carbon atoms are from a renewable source. The invention also relates to a method for producing vinyl propionate, and to the copolymers, compositions and uses of vinyl propionate. | 06-30-2011 |
20110160491 | PROCESS FOR MANUFACTURING ACROLEIN OR ACRYLIC ACID FROM GLYCERIN - The subject of the present invention is a process for preparing acrolein by dehydration of glycerin, characterized in that the dehydration is carried out in the presence of a catalyst comprising mainly a compound in which protons in a heteropolyacid are exchanged at least partially with at least one cation selected from elements belonging to Group 1 to Group 16 of the Periodic Table of Elements. The process according to the invention permits to obtain acrolein at higher yield. | 06-30-2011 |
20110190464 | METHOD FOR THE SYNTHESIS OF BIORESOURCED ACRYLIC ACID ESTERS - The present invention relates to a method for the synthesis of an acrylic acid ester of formula CH | 08-04-2011 |
20110196114 | POLYOLEFIN DERIVED FROM RENEWABLE RESOURCES, AND METHOD FOR PRODUCING SAME - The invention relates to a polymer obtained by polymerizing olefins having 6 to 9 carbon atoms and partially derived from renewable resources. In particular, the polymer according to the invention can be derived from vegetable oil or animal fat. The invention also relates to the method for producing the polymer. | 08-11-2011 |
20110213174 | PROCESS FOR MANUFACTGURING ACROLEIN FROM GLYCEROL - The subject of the present invention is a process for preparing acrolein by dehydration of glycerol in the presence of a catalyst system comprising oxygen, phosphorus and at least one metal chosen from vanadium, boron or aluminium. The process is preferably carried out in the gas phase in the presence of oxygen starting from aqueous solutions of glycerol. | 09-01-2011 |
20110224454 | METHOD FOR THE SYNTHESIS OF AN OMEGA-AMINO ACID OR ESTER STARTING FROM A MONOUNSATURATED FATTY ACID OR ESTER - The invention relates to a method for the synthesis of ω-amino alkanoic acids or esters thereof starting from unsaturated natural fatty acids passing through an ω-unsaturated nitrile intermediate compound. | 09-15-2011 |
20110229626 | Method for Manufacturing Methylmercaptopropionaldehyde and Methionine Using Renewable Raw Materials - The present invention relates to a method for manufacturing methylmercaptopropionaldehyde (MMP) including at least the following steps: (a) dehydrating glycerol to acrolein from an aqueous solution of glycerol in the presence of an acid catalyst; (b) purifying the aqueous flux from step (a) to obtain a flux of acrolein containing at least 15 wt % of water relative to the acrolein; (c) causing a reaction of the acrolein flux obtained in step (b) with methylmercaptan in the presence of a catalyst; (d) optionally purifying the product obtained in step (c). The method of the invention can also include a reaction of the product obtained in step (c) or (d) with hydrocyanic acid, or sodium cyanide during a step (e) followed by a subsequent transformation to produce methionine or methionine hydroxyanalogue, which can then optionally be purified. The additional use of methylmercaptan and/or hydrocyanic acid derived from biomass as raw materials in the method according to the invention makes it possible to obtain MMP, methionine or methionine hydroxyanalogue made up of 100% organic carbon from renewable sources. | 09-22-2011 |
20110245513 | SYNTHESIS PROCESS OF POLYOL CARBONATE FROM POLYOLS, CONDUCTED IN USING A SOLVENT SELECTIVE FOR POLYOLS CARBONATES - The present invention relates to a synthesis process of polyol carbonate, such as glycerol carbonate, from polyols such as glycerol, propylene glycol or ethylene glycol and urea conducted in using a solvent selective for polyols (glycerol) carbonates. Said process comprises reacting polyol with urea in the presence of a catalyst, extracting produced NH | 10-06-2011 |
20110251443 | MANUFACTURE OF VINYL CHLORIDE MONOMER FROM RENEWABLE MATERIALS, VINYL CHLORIDE MONOMER THUS-OBTAINED, AND USE - The invention relates to a process for the manufacture of vinyl chloride monomer comprising the preparation of acetylene from one or more renewable starting materials and then the reaction of the acetylene with hydrogen chloride in order to form vinyl chloride monomer. The invention also relates to the vinyl chloride monomer obtained and to its use. | 10-13-2011 |
20110272274 | METHOD FOR PRODUCING HYDROGEN PEROXIDE - The present invention relates to a method for preparing an aqueous solution of hydrogen peroxide from oxygen, hydrogen and optionally water. The invention more particularly relates to a method for preparing an aqueous solution of hydrogen peroxide in which at least a portion of the reactor is cooled down to a temperature lower than 15° C. | 11-10-2011 |
20110287204 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID VINYL ESTER COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES - The present application relates to a process for the manufacture of copolymers of ethylene and of at least one vinyl ester, comprising the following steps: a) fermentation of renewable starting materials so as to produce at least one alcohol comprising ethanol; b) dehydration of the alcohol obtained so as to produce at least one alkene comprising ethylene and, optionally, purification of the alkene so as to obtain ethylene, c) copolymerization of the ethylene with at least one vinyl ester, d) isolation of the copolymer obtained. The application also relates to the copolymers of ethylene and of at least one vinyl ester in which the ethylene is at least partly obtained from renewable starting materials, and to uses thereof. | 11-24-2011 |
20110287991 | METHOD FOR MANUFACTURING A BIOMASS-DERIVED METHYL METHACRYLATE - Process for the manufacture of methyl methacrylate by reaction of methyl propionate with one from formaldehyde, a formaldehyde/methanol mixture and methylal, characterized in that at least a fraction of at least one reactant involved in this reaction was obtained by a reaction or a sequence of reactions starting from biomass. | 11-24-2011 |
20110300590 | Method for Synthesizing an Omega-Amino Acid or Ester from a Monounsaturated Fatty Acid or Ester - The invention relates to a method for synthesizing ω-aminoalkanoic acids or esters thereof from unsaturated natural fatty acids, passing through a monounsaturated dinitrile intermediate compound. The method of the invention is simple to carry out and, compared to other known methods, avoids the environmental constraints and economic disadvantages due to reaction by-products. | 12-08-2011 |
20110301316 | METHOD FOR MANUFACTURING BIOMASS-DERIVED METHYL METHACRYLATE - Process for the manufacture of methyl methacrylate by oxidation of methacrolein to methacrylic acid and esterification of the latter with methanol, characterized in that at least one fraction of at least one from among methacrolein and methanol in this reaction was obtained by a reaction or a sequence of reactions starting from biomass. | 12-08-2011 |
20110305900 | COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF - The present application relates to a method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). The invention also relates to the grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer. | 12-15-2011 |
20110313214 | Hydro(chloro)fluoroolefins and Method for Preparation Thereof - A subject of the invention is a compound of formula (I) XCF | 12-22-2011 |
20110318515 | BIOMASS-DERIVED METHYL METHACRYLATE AND CORRESPONDING MANUFACTURING METHOD, USES AND POLYMERS - The invention relates to methyl methacrylate characterized in that at least one portion of the carbons thereof is biologically sourced and, more specifically, in that it contains between 0.2×10 | 12-29-2011 |
20120011765 | Aviation Fuel Containing a Proportion of Organic Compunds from Biomass - The invention relates to an aviation fuel containing between 1 and 100 wt.-% of a fraction of a compound obtained by means of chemical transformation from renewable, natural optionally-hydroxylated monounsaturated fatty acids having a chain length at least equal to 14 carbon atoms, selected from among nitriles and medium fatty acid esters containing between 7 and 12 carbon atoms per molecule and between 0 and 99 wt.-% of a kerosene originating from petrol that meets global aviation fuel specifications. | 01-19-2012 |
20120015411 | MANUFACTURE OF MALEIC ANHYDRIDE FROM RENEWABLE MATERIALS, MALEIC ANHYDRIDE OBTAINED, AND USES THEREOF - The present application relates to a process for manufacturing maleic anhydride that comprising the following steps: a) fermentation of renewable raw materials and optionally purification to produce a mixture comprising at least butanol; b) oxidation of the butanol to maleic anhydride at a temperature generally between 300° C. to 600° C., using a catalyst based on oxides of vanadium and/or molybdenum; c) isolation of the maleic anhydride obtained at the end of step b). It also relates to the maleic anhydride obtained from renewable raw materials, to the copolymers and compositions comprising said maleic anhydride and also uses of use of this maleic anhydride. | 01-19-2012 |
20120020910 | Compositions for Preserving the Human or Animal Body - The present invention relates to a novel composition, for nontherapeutic purposes, containing at least one POM (PolyOxyMethylene dialkyl ether) and at least one diol. It also relates to the use of this composition for preserving and/or embalming a human or animal body. | 01-26-2012 |
20120021156 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES - The present application relates to a process for the manufacture of copolymers of ethylene and of at least one vinyl ester, comprising the following steps: a) fermentation of renewable starting materials so as to produce at least one alcohol comprising ethanol; b) dehydration of the alcohol obtained so as to produce at least one alkene comprising ethylene and, optionally, purification of the alkene so as to obtain ethylene, c) copolymerization of the ethylene with at least one vinyl ester, d) isolation of the copolymer obtained. The application also relates to the copolymers of ethylene and of at least one vinyl ester in which the ethylene is at least partly obtained from renewable starting materials, and to uses thereof. | 01-26-2012 |
20120022291 | CATALYST FOR PRODUCTION OF ACROLEIN AND ACRYLIC ACID BY MEANS OF DEHYDRATION REACTION OF GLYCERIN, AND PROCESS FOR PRODUCING SAME - A process for converting glycerin into valuable chemical raw material. A catalyst for use in the production of acrolein and acrylic acid by a dehydration reaction of glycerin, which enables the production of acrolein and acrylic acid in high yield. Glycerin dehydration catalyst which mainly comprises a phosphorus-vanadium complex oxide that contains phosphorus and vanadium as the essential constituent elements. | 01-26-2012 |
20120046416 | IMPACT ADDITIVES - The invention relates to a polymer of core-shell structure containing a core having at least one elastomeric polymer, with a glass transition temperature of less than 25° C., and a shell having at least one polymer, with a glass transition temperature of greater than 25° C., where at least one of the polymers includes (meth)acrylic acid ester monomers containing organic carbon derived from biomass. The present invention also relates to a process for preparing the core-shell polymers and to their use as impact additives, and to a composition containing them. | 02-23-2012 |
20120065419 | METHOD FOR PRODUCING RICINOLEIC ACID ESTER BY SELECTIVE ENZYMATIC TRANSESTERIFICATION - The present invention relates to a method for preparing ricinoleic acid ester from a pure or mixed vegetable oil, in particular castor oil, wherein the method includes at least the step of enzymatic transesterification in the presence of a light alcohol and using a typo-selective lipase in order to obtain a fraction enriched with ricinoleic acid ester. The method according to the invention for producing ricinoleic acid ester includes the steps: i) a first transesterification reaction in the presence of a light alcohol and a lipase extracted from | 03-15-2012 |
20120077999 | Method For Obtaining A Fraction Enriched With Functionalized Fatty Acid Esters From Seeds of Oleaginous Plants - The invention relates to a method for the selective extraction of functionalised fatty acid esters from seeds of oleaginous plants, wherein said method includes: a) at least one step of extracting fatty acid esters that comprises simultaneously feeding into a reactor containing said seeds a light anhydrous alcohol, a basic catalyst and an extraction solvent non-miscible with said light alcohol and in which said functionalised fatty ester is not soluble in order to obtain a mixture of esters and glycerol; b) and at least one step of selectively extracting hydroxylated fatty acid esters by feeding into the reactor said extraction solvent in a backflush direction relative to the light alcohol in order to obtain an alcohol phase enriched with fatty acid esters, a glycerol phase and a cake. The invention can be used for obtaining a fraction having a high concentration of hydroxylated or epoxydised functionalised fatty acid esters, and a solvent phase containing the other non-functionalised fatty acid esters directly from the seeds of oleaginous plants. | 03-29-2012 |
20120124895 | BIOFUEL CONSISTING OF A MIXTURE OF NATURALLY OCCURRING FATTY ACID ESTERS AND METHOD FOR PRODUCING SAID BIOFUEL - The invention relates to a diesel biofuel consisting of a mixture of naturally occurring fatty acid esters and containing an ester of ω-unsaturated acids having a chain with 11 or 13 carbon atoms or corresponding saturated acids. The invention also relates to a method for producing such a biofuel. | 05-24-2012 |
20120210870 | METHOD AND DEVICE FOR SEPARATING GASEOUS MIXTURES BY MEANS OF PERMEATION - The invention relates to a method for purifying a specific gas stream containing one or more components to be recovered, one or more impurities to be eliminated and one or more poisons, for a unit for separation by means of permeation, including the following steps: a) in a unit for separation by means of absorption, separate from said unit for separation by means of permeation, the specific gas stream is placed in contact with one or more liquid solvents suitable and intended for selectively absorbing said poisons in order to obtain at least one first gas stream depleted of said poisons and a second liquid stream; and b) said first gas stream produced in step a) is separated in said unit for separation by means of permeation, at a specific absolute pressure P, into at least one third gas stream depleted of impurities and a fourth stream; the separation performed in step a) being carried out at an absolute pressure of between 50% and 200% of said specific absolute pressure P. | 08-23-2012 |
20120277464 | METHOD AND DEVICE FOR PRODUCING ALKENE DERIVATIVES - The invention relates to a method for producing a flow containing at least one alkene derivative, including the following steps: a step a) of reacting a flow containing one or more alkenes and one or more alkanes—the ratio of said alkanes to said alkenes being at least 1 by volume—with a flow containing mainly oxygen, in order to obtain at least one converted flow containing at least said alkene derivative; a step b) of separating the converted flow produced in step a) into at least said flow containing at least said alkene derivative and a residual flow containing mainly one or more hydrocarbons and one or more inert compounds; and a step c) of separating all or a portion of said residual flow by means of permeation into at least one first flow containing mainly one or more inert compounds and a second flow containing mainly one or more hydrocarbons. | 11-01-2012 |
20120277475 | BIO-BASED GLUTARALYDEHYDE, AND MANUFACTURE METHODS THEREOF - The present invention relates to a bio-based glutaraldehyde compound and to the different non-fossil, natural raw material manufacture methods thereof. To prepare said compound, glycerol created by the methanolysis of vegetable oil or animal fat is used, leading after dehydration to acrolein that is caused to react with a vinyl/alkyl/ether as per a Diels-Alder cyclization reaction, followed by hydrolysis so as to obtain the bio-based glutaraldehyde of the invention. Sugars containing five carbon atoms, that is, pentoses created from for example hemicellulose, may also be used, leading after dehydration to furfural, which leads, after complete hydrogenation followed by selective oxidation, to the bio-based glutaraldehyde of the invention. | 11-01-2012 |
20120283446 | METHOD FOR SYNTHESIZING BIO-BASED PYRIDINE AND PICOLINES - The present invention relates to a method for synthesizing bio-based pyridine and picolines, said method including at least the following steps: a first step involving subjecting a glycerol filler, created from the methanolysis of vegetable oils or animal fats, to a dehydration reaction leading to acrolein; a second step involving partial condensation of the effluent from the first step so as to separate a water-rich flow as well as an acrolein-rich flow; and a third step involving reacting the acrolein from the preceding step with acetaldehyde in the presence of ammonia so as to obtain, by means of a condensation reaction, the biobased pyridine and picolines. | 11-08-2012 |
20120283479 | METHOD FOR SYNTHESIZING ACROLEIN FROM GLYCEROL - The present invention relates to a process for synthesizing acrolein, coupling the dehydration of glycerol into acrolein with a reaction for aldol condensation of acetaldehyde, produced in the form of an impurity during the dehydration, by means of formaldehyde. | 11-08-2012 |
20130052328 | METHOD FOR REACTIVELY CRUSHING JATROPHA SEEDS - The present invention relates to a method for reactively crushing | 02-28-2013 |
20130053595 | CATALYST AND PROCESS FOR PREPARING ACROLEIN AND/OR ACRYLIC ACID BY DEHYDRATION REACTION OF GLYCERIN - A catalyst composition comprising at least an heteropolyacid deposited on a porous titania carrier. | 02-28-2013 |
20130066100 | PROCESS FOR PREPARING CATALYST USED IN PRODUCTION OF UNSATURATED ALDEHYDE AND/OR UNSATURATED CARBOXYLIC ACID BY DEHYDRATION REACTION OF GLYCERIN, AND CATALYST OBTAINED - A process for preparing a catalyst used in a production of acrolein and acrylic acid by dehydration reaction of glycerin, characterized by the steps of mixing a solution of heteropolyacid or constituents of heteropolyacid, a solution of at least one metal selected from elements belonging to Group 1 to Group 16 of the Periodic Table of Elements or its onium and a carrier to obtain a solid substance, and then of effecting at least one time of calcination before said solid substance is used in the dehydration reaction of glycerin. | 03-14-2013 |
20130116458 | PROCESS FOR PREPARING SATURATED AMINO ACIDS OR SATURATED AMINO ESTERS COMPRISING A METATHESIS STEP - The subject matter of the invention is a process for synthesizing a saturated long-chain o.,0)-amino ester (acid) obtained in a first step by cross-metathesis between an acrylic first compound and a monounsaturated second compound comprising at least one nitrile, acid or ester trivalent function, one of these compounds comprising a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and in a second step by hydrogenation of the monounsaturated nitrile ester (acid) obtained in the presence of the metathesis catalyst of the preceding stop, acting as a hydrogenation catalyst. | 05-09-2013 |
20130131380 | PROCESS FOR THE SELECTIVE OXIDATION OF CARBON MONOXIDE - The invention relates to a process of the selective oxidation of carbon monoxide to carbon dioxide present in a gas mixture comprising at least one hydrocarbon or a hydrocarbon derivative, and to its integration into a process for producing hydrocarbon derivatives. The process according to the invention comprises a step that consists in bringing said gas mixture into contact with a solid catalyst capable of oxidizing carbon monoxide to carbon dioxide at a chosen temperature, characterized on that said step is carried out in a fluidized bed. | 05-23-2013 |
20130211115 | PROCESS FOR THE PURIFICATION OF A FATTY ACID ALKYL ESTER BY LIQUID/LIQUID EXTRACTION - The present invention relates to a process for the selective extraction of monoglycerides present in a fraction of fatty acid alkyl esters (FAAEs), comprising at least one stage of liquid-liquid extraction by means of a polar solvent (PS) comprising a light alcohol and optionally of a nonpolar solvent (NS) comprising a solvent which is immiscible with the light alcohol. | 08-15-2013 |
20130231504 | METHOD FOR PRODUCING BIORESOURCED PROPIONIC ACID FROM GLYCEROL - A method for producing bioresourced propionic acid from glycerol. Also, a composition comprising more than 85 mass % of bioresourced propionic acid, and to the use of the propionic acid obtained from the method as a solvent, as a food preservative, for producing herbicide or for preparing vinyl propionate. | 09-05-2013 |
20130324758 | PROCESS FOR MANUFACTURING ACROLEIN/ACRYLIC ACID - The present invention relates to the selective elimination of propanal in acrolein-rich streams to produce acrolein and/or acrylic acid and/or acrylonitrile and/or methylmercaptopropionaldehyde containing low amount of propanal and/or propionic acid and/or propionitrile. One subject of the present invention is a process for manufacturing acrolein comprising a step of selective elimination of propanal in an acrolein-rich stream in contact with a catalyst comprising at least molybdenum. Another subject of the present invention is a process for manufacturing acrylic acid from glycerol including a step of selective elimination of propanal in an acrolein-rich stream in contact with a catalyst comprising at least molybdenum. | 12-05-2013 |
20130345388 | Process for Producing Nitrile-Fatty Acid Compounds - The invention relates to a process for synthesizing a nitrile-fatty acid (heminitrile) from unsaturated fatty acids, in the form of an acid or a simple ester or a “complex” ester of triglyceride type, which is first of all converted into an unsaturated fatty nitrile which is subjected to oxidative cleavage using H | 12-26-2013 |
20140005323 | MANUFACTURE OF ETHYLENE/CARBOXYLIC ACID COPOLYMERS FROM RENEWABLE MATERIALS, COPOLYMERS OBTAINED AND USES | 01-02-2014 |
20140024864 | HYDRO(CHLORO)FLUOROOLEFINS AND METHOD FOR PREPARATION THEREOF - A subject of the invention is a compound of formula (I) XCF | 01-23-2014 |
20140066660 | Method for Producing Dialkoxy Alkanes by Partial Oxidation of Lower Alcohols in the Presence of a Catalyst Based on Molybdenum and Iron - Disclosed herein is a method for producing alkoxy alkanes by direct partial oxidation of a lower alcohol with a catalyst based upon mixed oxide containing molybdenum and at least one other metal selected from the metals that can assume a trivalent oxidation state such as Fe, Bi, Al, Cr, In, La, Sb, and/or a metal selected from Ni, Co, Cu, V, W, Ti, Ta, Nb, Mn, Sn, P. | 03-06-2014 |
20140094617 | PLATE-TYPE REACTOR WITH IN-SITU INJECTION - A chemical reactor including: a plurality of heat exchange plates which between them define reaction compartments, in which reactor each heat exchange plate includes two walls between them defining at least one heat exchange space, the respective walls being fixed together by joining regions, and the reactor also comprises at least one injection device for injecting substance into the reaction compartments, said substance-injection device passing through the heat-exchange plates in respective joining regions thereof. Also, a chemical reaction process that can be carried out in this reactor. | 04-03-2014 |
20140096577 | PROCESS OF REACTIVE TRITURATION DIRECTLY ON AN OIL CAKE - A process including at least one reactive trituration step which includes putting an oil cake including from 3% to 30% oil in contact with an anhydrous light alcohol and an alkaline catalyst under temperature and time conditions that are sufficient to allow for the extraction and transesterification of the vegetable oil and lead to the production of a mixture including fatty acid esters and glycerol, and a de-oiled cake including less than 3% oil. Also, a detoxified de-oiled cake as well as to a mixture of fatty acid esters with improved stability and resistance to oxidation. | 04-10-2014 |
20140148607 | Process for Synthesizing Omega-Functionalized Acids from Fatty Acids or Fatty Esters - The subject matter of the invention is a process for synthesizing ω-functionalized acids of formula R—(CH | 05-29-2014 |
20140154758 | BIOMASS DERIVED METHYL METHACRYLATE AND CORRESPONDING MANUFACURING METHOD, USES AND POLYMERS - The invention relates to methyl methacrylate characterized in that at least one portion of the carbons thereof is biologically sourced and, more specifically, in that it contains between 0.2×10 | 06-05-2014 |
20140155647 | Method for the Synthesis of Diacids or Diesters from Natural Fatty Acids and/or Esters - Disclosed herein a process for the synthesis of diacids or diesters of general formula ROOC—(CH | 06-05-2014 |
20140163196 | PROCESS FOR PREPARING AMINO ACIDS OR ESTERS COMPRISING A METATHESIS STEP - A process for synthesizing a long-chain saturated α,ω-amino ester (acid) including from 6 to 17 carbon atoms, said process including a first step of cross metathesis between a first acrylic compound chosen from acrylonitrile, acrylic acid or an acrylic ester and a second monounsaturated compound including at least one nitrile, acid or ester trivalent function, one of these compounds including a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and a second step of hydrogenation of the monounsaturated nitrile-ester (acid) obtained, wherein said monounsaturated compound including at least one nitrile, acid or ester trivalent function has previously been subjected to a purification by thermal and/or chemical treatment. | 06-12-2014 |
20140171685 | CONTINUOUS CATALYST REGENERATION IN A FLUIDIZED BED REACTOR - A catalytic reactor including a chamber ( | 06-19-2014 |
20140187808 | METHOD FOR SYNTHESIZING AN OMEGA-AMINO ACID OR ESTER FROM A MONOUNSATURATED FATTY ACID OR ESTER - A method for synthesizing ω-amino-alkanoic acids or the esters thereof from natural unsaturated fatty acids passing through an intermediate ω-unsaturated nitrile compound. The method is simple to implement and, relative to known methods, avoids the environmental constraints and economic disadvantages resulting from the reaction by-products. The method includes synthesizing an ω-amino acid (ester) of formula R3OOC—(CH2) | 07-03-2014 |
20140194584 | Process for the synthesis of w-Unsaturated nitrile-acid/ester in which two types of cross metathesis are alternated consecutively swing process - The invention relates to a process for the synthesis of a monounsaturated nitrile-ester (acid) by cross metathesis starting from an unsaturated compound I comprising at least one trivalent nitrile, acid or ester functional group, characterized in that it comprises a stage in which two types of cross metathesis are alternated consecutively:
| 07-10-2014 |
20140200358 | PROCESS FOR THE SYNTHESIS OF C11 AND C12 OMEGA-AMINOALKANOIC ACID ESTERS COMPRISING A NITRILATON STEP - A process for the synthesis of C11 and C12 ω-amino-alkanoic acid esters including a step of continuous nitrilation in the gas phase or in a mixed gas-liquid phase, a step of metathesis and a step of reduction by hydrogenation, using, as raw material, C10 and C11 ω-alkenoic acid esters. | 07-17-2014 |
20140206527 | Catalyst For Preparing Acrolein And Acrylic Acid By Dehydration Of Glycerin, And Its Production Process - An object of the present invention is to provide a catalyst for glycerin dehydration reaction for producing unsaturated aldehyde and unsaturated carboxylic acid at higher yield by a dehydration reaction of glycerin, and that can reduce a decrease in time of the conversion ratio of glycerin and the yields of unsaturated aldehyde and of unsaturated carboxylic acid. Another object of the present invention is to provide a catalyst for glycerin dehydration reaction that can produce acrolein and acrylic acid at higher yield by the dehydration reaction of glycerin, and the catalyst has a longer life. Still another object of the present invention is to provide a method for preparing the catalysts above. A catalyst for glycerin dehydration comprising a carrier, wherein the carrier includes at least one metal oxide selected from the group consisting TiO | 07-24-2014 |
20140213811 | IMPROVED PROCESS OF DEHYDRATION REACTIONS - The present invention relates to the production of acrolein, acrylic acid or methacrylic acid by dehydration reaction of renewable raw material such as glycerin or hydroxycarboxylic acids, in the presence of a novel catalyst system supported on a carrier having a bimodal structure and a high pore volume and distribution. The dehydration reactions can be carried out for longer operation duration, so that acrolein, acrylic acid or methacrylic acid can be produced at higher productivity and for longer running time. | 07-31-2014 |
20140242252 | PROCESS FOR EXTRACTION FROM LESQUERELLA SEEDS - A method for extraction from | 08-28-2014 |
20140255713 | COMPOSITION CONTAINING POLYPROPYLENE AND/OR A PROPYLENE COPOLYMER OBTAINED FROM RENEWABLE MATERIALS, AND USES THEREOF - A method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). A grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer. | 09-11-2014 |
20140323684 | AMINO ACID PREPARATION METHOD COMPRISING A STEP OF HYDROFORMYLATION OF AN UNSATURATED FATTY NITRILE - A method for synthesizing a ω-amino acid compound having formula HOOC—R′—CH | 10-30-2014 |
20140331549 | Biofuel Consisting of a Mixture of Naturally Occurring Fatty Acid Esters and Method for Producing Said Biofuel - The invention relates to a diesel biofuel consisting of a mixture of naturally occurring fatty acid esters and containing an ester of ω-unsaturated acids having a chain with 11 or 13 carbon atoms or corresponding saturated acids. The invention also relates to a method for producing such a biofuel. | 11-13-2014 |
20140356918 | PROCESS FOR SYNTHESIZING BIFUNCTIONAL HYDROCARBON-BASED COMPOUNDS FROM BIOMASS - The subject of the present invention is a process for synthesizing bifunctional hydrocarbon-based compounds from biomass, comprising a step of fermentation of the biomass and a step of oxidation of the intermediate compounds resulting from the fermentation step. | 12-04-2014 |
20140357880 | METHOD FOR CLEAVING UNSATURATED FATTY CHAINS - The invention relates to a method for cleaving unsaturated fatty chains comprising a step of oxidative cleavage in which at least one fatty acid derivative having at least one unsaturation is reacted in the liquid phase with hydrogen peroxide in the presence of a catalyst for activating the reaction of oxidative cleavage and of molecular oxygen and in the absence of organic solvent. | 12-04-2014 |
20140364658 | Method for Preparing Fluorinated Olefin Compounds - The present invention relates to a method for preparing fluorinated olefin compounds, in particular (chloro)fluoropropenes and (chloro)fluorobutenes, and specifically, the fluorinated compound 2,3,3,3-tetrafluoro-1-propene, including at least one step of fluorination, in the gaseous phase, with HF and at least one compound selected from the halopropenes having formula the CX | 12-11-2014 |