Patent application number | Description | Published |
20080221354 | Process for the Preparation of the Alkoxyamine 2-Methyl-2-[N-(Diethoxyphosphoryl-2,2-Dimethylpropyl)-Aminoxy] Propionic Acid - The present invention relates to a process for the preparation of the alkoxyamine 2-methyl-2-[N-(diethoxy-phosphoryl-2,2-dimethylpropyl)aminoxy]propionic acid or of its salts comprising a stage of saponification of an azo compound in the presence of a base, a stage of photolysis of the salt resulting from the saponification stage in the presence of N-(tert-butyl)-1-diethylphosphono-2,2-dimethylpropyl nitroxide and optionally a stage of acidification of the salt of the alkoxyamine obtained on conclusion of the photolysis stage. | 09-11-2008 |
20080274074 | Method for Controlled Free Radical Polymerization or Copolymerization of Methacrylic and/or Methacrylate Monomers or Exclusively Methacrylic and/or Methacrylate Copolymers - The invention relates to a method for the polymerization of one or more methacrylate and/or methacrylic monomers, for the synthesis of methacrylate or methacrylic polymers or of exclusively methacrylic and/or methacrylate copolymers, comprising a step of bringing said monomer(s) into contact with one at least of the compounds of formula (I) and (II) below: | 11-06-2008 |
20090170958 | USE OF PARTICULAR POLYMERS OR COPOLYMERS AS SURFACTANTS FOR STABILIZING LATICES - The invention relates to a composition comprising a latex and at least one copolymer that may be obtained via a monomer polymerization process, comprising a step of placing in contact, in a medium comprising water, the said monomer(s) with at least one initiator corresponding, for example, to the formula: | 07-02-2009 |
20090208441 | PROCESS FOR THE CONTROLLED RADICAL POLYMERIZATION OR COPOLYMERIZATION OF ONE OR MORE MONOMERS IN THE PRESENCE OF AN INITIATOR OF ALKOXYAMINE TYPE - The invention relates to a process for the polymerization of one or more monomers comprising a stage in which the said monomer or monomers is/are brought into contact, in a medium comprising water, with at least one specific initiator of the alkoxyamine type corresponding, for example, to the following formula: | 08-20-2009 |
20090221850 | METHOD FOR PREPARING ALKOXYAMINES BY PHOTOLYSIS OF DITHIOCARBAMATES - The present invention relates to a novel process for preparing alkoxyamines from a nitroxide and a dithiocarbamate by photolysis reaction. | 09-03-2009 |
20090281351 | NOVEL ALKOXYAMINES, PROCESS FOR THE PREPARATION THEREOF AND USE THEREOF IN RADICAL - The invention relates to an alkoxyamine of formula (I) below: | 11-12-2009 |
20110046407 | PROCESS FOR PREPARING ALKOXYAMINES RESULTING FROM BETA-PHOSPHORATED NITROXIDES - The invention relates to an improved process for preparing alkoxyamines resulting from β-phosphorated nitroxides corresponding to the formula (I): | 02-24-2011 |
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 |
20120022221 | Use, as a Shock Absorber, of a Material Formed from Branched Molecules Containing Associative Groups - The present invention relates to the use, as a shock absorber, of a material formed from branched molecules comprising associative groups. Said branched molecules are each constituted of fragments that are at least bifunctional and of fragments that are at least trifunctional joined together by ester or thioester bridges, alone or in combination with amide or urea bridges. | 01-26-2012 |
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 |
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 |
20130197237 | MOLECULES HAVING COMBINABLE GROUPS - The present invention relates to nitrogenous associative molecules comprising at least one unit rendering them capable of associating with one another or with a filler, via noncovalent bonds, and comprising a function capable of reacting with a polymer containing unsaturations so as to form a covalent bond with said polymer. | 08-01-2013 |
20130203944 | USE OF MOLECULES CARRYING ASSOCIATIVE GROUPS AS PLASTICISERS - The invention relates to the field of plasticisers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof especially rigidity. | 08-08-2013 |
20130211057 | MOLECULES HAVING COMBINABLE GROUPS - The present invention relates to nitrogenous associative molecules comprising at least one unit rendering them capable of associating with one another or with a filler by noncovalent bonds, and comprising a function capable of reacting with a polymer containing unsaturations so as to form a covalent bond with said polymer. | 08-15-2013 |
20130261255 | COMPOSITION INCLUDING A MIXTURE OF A THERMOPLASTIC CONDENSATION POLYMER AND A SUPRAMOLECULAR POLYMER, AND MANUFACTURING METHOD - A subject matter of the present invention is a composition comprising:
| 10-03-2013 |
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 |
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 |
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 |
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 |
20150336879 | PROCESS FOR THE SYNTHESIS OF OMEGA-UNSATURATED NITRILE-ACID/ESTER IN WHICH TWO TYPES OF CROSS METATHESIS ARE ALTERNATED CONSECUTIVELY, SWING PROCESS - A process for the synthesis of a monounsaturated nitrile-ester (acid) by cross metathesis starting from an unsaturated compound I including at least one trivalent nitrile, acid or ester functional group, wherein the process includes a stage in which two types of cross metathesis are alternated consecutively: — a first type of cross metathesis cm1 with an acrylic compound II chosen from acrylonitrile, acrylic acid or an acrylic ester, one of the compounds I or II including a nitrile functional group and the other of these compounds II or I including an acid or ester functional group, and—a second type of cross metathesis cm2 with a light C | 11-26-2015 |
20150344416 | CROSS METATHESIS PROCESS - A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, the first unsaturated compound being capable of producing an unsaturated coproduct comprising more than 14 carbon atoms, by homometathesis, said process including at least one production phase which includes: feeding a reactor with the first unsaturated compound; feeding the reactor with the second unsaturated compound; feeding the reactor with at least a first metathesis catalysts, then feeding the reactor with at least a second metathesis catalyst; withdrawing a product stream arising from the reactor; the turnover number of the first catalyst being higher than the turnover number of the second catalyst so as to achieve the same target degree of conversion of the first unsaturated compound. | 12-03-2015 |
20150353479 | CROSS METATHESIS PROCESS - A process for the synthesis of an unsaturated product by cross metathesis between a first unsaturated compound having at least 8 carbon atoms and a second unsaturated compound having less than 8 carbon atoms, including: feeding a reactor with the first unsaturated compound, the second unsaturated compound and a metathesis catalyst; withdrawing an output stream, at the output of the reactor; separating the output stream, making it possible to recover at least: on the one hand, the unsaturated product and, on the other hand, the first unsaturated compound and the second unsaturated compound; recycling the first unsaturated compound and the second unsaturated compound to the reactor; in which the first unsaturated compound is capable of producing an unsaturated coproduct, including at least 14 carbon atoms, by homometathesis; and in which the flow rates for feeding the reactor with first unsaturated compound and with second unsaturated compound are adjusted. | 12-10-2015 |
20150376108 | SYNTHESIS OF A BRANCHED UNSATURATED COMPOUND BY MEANS OF CROSS METATHESIS - The invention relates to a method for the synthesis of a branched unsaturated fatty compound, said method comprising the metathesis, in the presence of a metathesis catalyst, of a linear unsaturated fatty compound and a branched olefin. The branched unsaturated fatty compound is used in particular for the production of at least one of the following products: dielectric fluids, specialty surfactants, emulsifiers, frictions agents, antistatic additives, antifogging additives, mould release agents, pigment dispersants, high-performance lubricants, waxes and wax emulsifiers, polymer conversion additives, PVC stabilising agents, inks, resins, paints, varnishes, solvents, lipsticks, creams for the skin, deodorants, particularly stick deodorants, hair dyes, shampoos and other liquid soaps, shaving foam, laundry detergents, cleaning agents, fabric softeners, and mixtures of same. | 12-31-2015 |
20160002147 | METHOD OF SYNTHESISING AMINO ACID BY METATHESIS, HYDROLYSIS, THEN HYDROGENATION - A method of synthesising an amino acid from an unsaturated fatty compound I that includes at least the following steps: cross-metathesis with a short unsaturated compound II, one of compounds I or II comprising a nitrile function and the other of these compounds II or I an ester function, so as to obtain and recover at least one monounsaturated nitrile ester NEU; hydrolysis of the NEU in unsaturated acid nitrile NAU; hydrogenation of the NAU to saturated amino acid AA; and then purification of the AA, if applicable, in particular by crystallisation. Also, a polymer obtained by polymerisation using the amino acid synthesised according to the method. | 01-07-2016 |
20160002151 | METATHESIS PROCESS COMPRISING THE EXTRACTION OF THE ETHYLENE FORMED BY MEANS OF A MEMBRANE - A process for the metathesis of two α-olefin compounds, wherein it comprises the use of at least one membrane for extracting ethylene from the reaction medium, said membrane being permeable to gases and impermeable to liquids. A process for the metathesis of two α-olefin compounds, carried out in a reaction device including two zones separated by said at least one membrane: a first zone, fed with reactants and catalyst, in which the liquid-phase metathesis reaction is initiated and the liquid reaction medium is circulated in contact with the wall constituted by the membrane, and a second zone, fed with a gaseous stream that is inert with respect to the membrane and the constituents of the reaction medium of the first zone. | 01-07-2016 |
Patent application number | Description | Published |
20090155671 | SUPERPLASTIC SEALING SYSTEM, PREFERENTIALY FOR ELECTROCHEMICAL CELL SYSTEM - The invention relates to a seal ( | 06-18-2009 |
20110173813 | METHOD FOR PRODUCING A HEAT EXCHANGER SYSTEM, PREFERABLY OF THE EXCHANGER/REACTOR TYPE - The invention relates to a method for producing a heat exchanger system comprising at least one module ( | 07-21-2011 |
20110176911 | ASSEMBLING TITANIUM AND STEEL PARTS BY DIFFUSION WELDING - A method of assembling together titanium parts and steel parts by diffusion welding, the method interposing two thin layers of niobium or vanadium and copper respectively between a titanium part and a steel part, evacuating the assembly of parts and interposed metal layers, and subjecting the assembly to hot isostatic compression at a temperature lying in a range 900° C. to 950° C. and at a pressure lying in a range 1000 bars to 1500 bars for about two hours. The method can be applied to fabricating turbine shafts for turbomachines. | 07-21-2011 |
20120168078 | METHOD FOR MANUFACTURING A MODULE WITH A HOLLOW AREA BY HOT ISOSTATIC COMPRESSION - A method for manufacturing a module with a hollow area by hot isostatic compression, including: making an assembly including superposed elements defining the hollow area, the assembly forming a sealed casing containing the hollow area, including at least one meltable obturation member separating the hollow area from the outside of the assembly; followed by hot isostatic compression of the assembly, to obtain diffusion-welding of its elements, by letting temperature and pressure conditions change over time to cause a rupture of the meltable obturation member allowing pressurization gas to penetrate into the hollow area. | 07-05-2012 |
20120292003 | DEVICE FORMING A CHEMICAL REACTOR WITH IMPROVED EFFICIENCY, INCORPORATING A HEAT EXCHANGING CIRCUIT - A device forming a chemical reactor including a first circuit configured to form a chemical reactor, wherein the first circuit includes plural channels, wherein flow at least two chemicals intended to react with one another, wherein the channels have a three-dimensional structure including bends and junctions forcing the fluid to change direction, and a second heat exchange circuit including multiple channels, wherein a heat transfer fluid flows, positioned as close as possible to the channels wherein the reaction occurs. | 11-22-2012 |
20130118479 | MODULE FOR A THERMAL ABSORBER OF A SOLAR RECEIVER, ABSORBER COMPRISING AT LEAST ONE SUCH MODULE AND RECEIVER COMPRISING AT LEAST ONE SUCH ABSORBER - An absorber for a solar receiver with a casing of lengthways axis including at a first lengthways end, a collector to supply a heat transfer fluid; and at a second lengthways end, a collector for evacuating the heat transfer fluid. The casing includes a first wall having a face intended to be subjected to a luminous flux, a second wall facing the first wall, and side walls connecting said the first and second walls. The casing is formed by at least one rib extending lengthways, and attached to the first and to the second wall. The at least one rib includes windows, and deflectors associated with the windows. The deflectors cause a portion of the heat transfer fluid to flow through the windows, causing reblending of the heat transfer fluid. | 05-16-2013 |
20130125873 | MODULAR SOLAR RECEIVER AND SOLAR POWER PLANT COMPRISING AT LEAST ONE SUCH RECEIVER - A solar receiver for a thermal power plant including a plurality of absorber modules, each absorber module including at least one face configured to be illuminated by a solar flux, wherein the modules are arranged side by side forming a paving. Each absorber module further includes its own fluid circuit in which a fluid to be heated by the solar flux can flow, the fluid circuits of the absorber modules being connected to one another. | 05-23-2013 |
20130152917 | SOLAR RECEIVER ABSORBER AND SOLAR RECEIVER COMPRISING AT LEAST ONE SUCH ABSORBER - A solar power tower solar receiver absorber including: an enclosure; at least one panel configured to be illuminated by solar flux; a core made of at least one material with heat conductivity at least partially encompassed by the enclosure; and a plurality of tubes passing through the core and extending substantially in a parallel direction with respect to the panel configured to be illuminated. The tube is configured for circulation of a fluid to be heated, for example a gas for operating a gas turbine. | 06-20-2013 |
20130314813 | Method for Manufacturing a Reflector, Preferably for the Solar Energy Field - The invention relates to a method of manufacturing a reflector ( | 11-28-2013 |
20140000581 | RECEIVER MODULE FOR SOLAR POWER STATION WITH IN-BUILT THERMAL MONITORING | 01-02-2014 |
20140090639 | PROCESS FOR PRODUCING AN ELEMENT FOR ABSORBING SOLAR RADIATION FOR A THERMAL CONCENTRATING SOLAR POWER PLANT - A solar radiation absorber element for a thermal concentrating solar power plant is achieved by forming a selective coating on an outer surface of a substrate made from stainless steel, chosen from stainless steels presenting an aluminium content of more than 0.5% by weight. Formation of the selective coating includes a surface treatment step of the substrate, by polishing, and a heat treatment step of the substrate, in an oxidizing atmosphere, in a temperature range included between 550° C. and 650° C. The heat treatment in particular enables at least one intrinsically selective superficial thin layer to be formed on the outer surface of the substrate. | 04-03-2014 |
20140109893 | LONGER-LIFE SOLAR POWER PLANT RECEIVER - A solar receiver with a longitudinal axis, including an absorber, a beam extending over an entire length of the solar receiver and configured to suspend the receiver in the power plant, a protective envelope mounted around the beam and including a thermal insulator surrounding the beam, the protective envelope configured to protect the beam from heating due to solar flux, the beam and the protective envelope configured to slide one with respect to the other along the longitudinal axis. | 04-24-2014 |
20150113806 | METHOD FOR FILLING A HEAT STORAGE TANK WITH SOLID ELEMENTS - Method for filling a heat storage tank with solid elements having at least one first particle size greater than at least one second particle size, the method includingthe following steps: a) pouring a first quantity of solid elements of the first particle size into the tank, b) levelling said first quantity of solid elements of the first particle size so as to form a layer of a substantially constant height, c) pouring a second given quantity of solid elements of the second particle size over the layer of solid elements of the first particle size such that the solid elements of the second particle size flow between the solid elements of the first particle size and such that the elements of the second particle size are flush with the layer of the solid elements of the first particle size and so as to form an intermediate layer. | 04-30-2015 |
20150136115 | HEAT STORAGE TANK WITH IMPROVED THERMAL STRATIFICATION - Heat storage tank comprising an envelope ( | 05-21-2015 |
20150369542 | METHOD OF PRODUCING A DEVICE FOR STORING THERMAL ENERGY BY SOLID/SOLID PHASE CHANGE MATERIAL - The invention relates to a method for producing a thermal energy storage device by means of at least one solid/solid phase change material, comprising a thermal energy storage chamber containing the at least one solid/solid phase change material and a heat exchanger of the heat-transfer fluid type for storing and extracting heat of said s/s PCM immersed in said chamber. | 12-24-2015 |