Patents by Inventor Henri Cramail
Henri Cramail has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11499002Abstract: A multi-epoxidized biphenyl compound has the formula (I) below wherein R, R1, R2 and R3 are as defined in the description, as well as mixtures of at least two of the compounds. These multi-epoxidized biphenyl compounds are fully suitable as main constituents of thermosetting epoxy resins, i.e. as polyepoxides precursors. They are beneficial substitutes for bisphenol A diglycidyl ether.Type: GrantFiled: November 7, 2018Date of Patent: November 15, 2022Assignees: ARIANEGROUP SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Etienne Savonnet, Brigitte Defoort, Henri Cramail, Stéphane Grelier, Etienne Grau
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Patent number: 11384195Abstract: A difunctional biphenyl compounds corresponding to formula (I) wherein Alk, Alk? and R are as defined in the description. These compounds are suitable as hardeners for thermosetting resins, especially epoxy resins.Type: GrantFiled: February 7, 2019Date of Patent: July 12, 2022Assignees: ARIANEGROUP SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Etienne Savonnet, Brigitte Defoort, Henri Cramail, Stéphane Grelier, Etienne Grau
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Publication number: 20210403636Abstract: A multi-epoxidized biphenyl compound has the formula (I) below wherein R, R1, R2 and R3 are as defined in the description, as well as mixtures of at least two of the compounds. These multi-epoxidized biphenyl compounds are fully suitable as main constituents of thermosetting epoxy resins, i.e. as polyepoxides precursors. They are beneficial substitutes for bisphenol A diglycidyl ether.Type: ApplicationFiled: November 7, 2018Publication date: December 30, 2021Inventors: Etienne SAVONNET, Brigitte DEFOORT, Henri CRAMAIL, Stéphane GRELIER, Etienne GRAU
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Publication number: 20200399419Abstract: A difunctional biphenyl compounds corresponding to formula (I) wherein Alk, Alk? and R are as defined in the description. These compounds are suitable as hardeners for thermosetting resins, especially epoxy resins.Type: ApplicationFiled: February 7, 2019Publication date: December 24, 2020Inventors: Etienne SAVONNET, Brigitte DEFOORT, Henri CRAMAIL, Stéphane GRELIER, Etienne GRAU
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Publication number: 20190032098Abstract: A process is provided for preparing a compound having the formula (I): said process being conducted by: a) the addition of an oxygen source into a solution of a compound of formula (II) in a water-miscible solvent, b) the addition of a laccase in the solution obtained in a); and c) the possible recovering of the compound of formula (I) thus obtained.Type: ApplicationFiled: October 3, 2018Publication date: January 31, 2019Inventors: Stéphane GRELIER, Henri CRAMAIL, Audrey LLEVOT, Stéphane CARLOTTI, Etienne GRAU
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Patent number: 10155969Abstract: The present invention relates to a process for preparing a compound having the formula (I), said process comprising the following steps: a) the addition of an oxygen source into a solution of a compound of formula (II), in a water-miscible solvent, b) the addition of a laccase in the solution obtained after step a); and c) the possible recovering of the compound of formula (I) thus obtained.Type: GrantFiled: October 5, 2015Date of Patent: December 18, 2018Assignees: UNIVERSITE DE BORDEAUX, INSTITUTE POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)Inventors: Stéphane Grelier, Henri Cramail, Audrey Llevot, Stéphane Carlotti, Etienne Grau
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Publication number: 20180312629Abstract: The present invention relates to a compound that may be obtained according to a method comprising at least one polymerization step of at least one monomer of formula (I) below: wherein the polymerization step is carried out in the presence of a catalyst selected from the group consisting of: Zn(OAc)2, Ti(OBu)4, Ti(OiPr)4, Sb2O3, stannous octanoate, dibutyltin oxide, 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene, NaOMe, 1,5,7-triazabicyclo[4.4.0]dec-5-ene and Lipase B Candida Antartica.Type: ApplicationFiled: October 28, 2016Publication date: November 1, 2018Applicants: PIVERT, UNIVERSITÉ DE BORDEAUX, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHN IQUES - ITERG, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Blandine TESTUD, Etienne GRAU, Daniel TATON, Henri CRAMAIL, Didier PINTORI
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Patent number: 10087281Abstract: A polymer is provided having at least one repetitive unit represented by the following formula: And, preferably at least one, preferably at least two, repetitive units represented by the following formula:Type: GrantFiled: October 16, 2015Date of Patent: October 2, 2018Assignees: Pivert, Université de Bordeaux, Institut Des Corps Gras Etudes ET Recherches Techniques—ITERG, Institut Polytechnique de Bordeaux, Centre National de la Recherche ScientifiqueInventors: Henri Cramail, Etienne Grau, Blandine Testud, Daniel Taton, Didier Pintori
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Patent number: 10053540Abstract: The present invention concerns the use of a compound having the following formula (I), for the preparation of a polymer. The present invention also concerns the polymers obtained from polymerization of compound of formula (I), and their processes of preparation.Type: GrantFiled: October 10, 2015Date of Patent: August 21, 2018Assignees: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S)Inventors: Stéphane Grelier, Henri Cramail, Audrey Llevot, Stéphane Carlotti, Etienne Grau
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Patent number: 10047171Abstract: The present invention concerns a compound of formula (I): wherein: —n is an integer comprised between 1 and 7; —X1 is in particular a radical of formula —CH2—S—(CH2)k—S—; —A1 is in particular a linear or branched alkylene radical comprising from 2 to 30 carbon atoms, and —X2 is in particular an alkoxy group of formula ORa, wherein Ra is a linear or branched alkyl group comprising from 1 to 10 carbon atoms.Type: GrantFiled: December 16, 2015Date of Patent: August 14, 2018Assignees: UNIVERSITÉ DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES-ITERG, INSTITUT POLYTECHNIQUE DE BORDEAUX, INSTITUT TECHNOLOGIQUE FCBAInventors: Henri Cramail, Stéphane Jean-Pierre Albert Grelier, Frédérique Pichavant, Denilson Da Silva Perez, Carine Alfos, Maud Suzanne Chemin
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Patent number: 9926288Abstract: A compound is of formula (I): in which A1 and A1? are independently from each other a linear or branched alkylene radical including from 1 to 20 carbon atom(s); A2 is in particular a linear or branched alkylene radical including from 1 to 200 carbon atom(s); A3 is H or a linear or branched alkyl radical including from 1 to 15 carbon atom(s) and R1 and R1? are independently from each other H or a linear or branched alkyl radical comprising from 1 to 20 carbon atom(s). The compounds of formula (I) can be used in particular for the preparation of poly(hydroxyurethane)s and epoxy resins.Type: GrantFiled: December 16, 2014Date of Patent: March 27, 2018Assignees: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES—ITERGInventors: Henri Cramail, Etienne Grau, Carine Alfos, Lise Maisonneuve
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Patent number: 9896608Abstract: The present invention relates to the use of a compound having the following formula (I): in which: A1 represents a divalent alkylene radical comprising from 2 to 20 carbon atoms; A2 represents a divalent alkylene radical comprising from 2 to 20 carbon atoms; A3 is selected from the group consisting of the following divalent radicals: an alkylene comprising from 2 to 600; and an arylene comprising from 6 to 30 carbon atoms; X1, X3 and X4 represent —O— or —NH—; X?2 is selected from the group consisting of: —S—, —CH2— and a bond; and n and m represent an integer ranging from 1 to 1000; for the preparation of additives in a matrix of polyester, polyvinyl chloride, polyurethane, polyamide, poly(alkyl acrylate), poly(alkyl methacrylate), polystyrene or polyolefin.Type: GrantFiled: September 20, 2013Date of Patent: February 20, 2018Assignees: INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES—ITERG, CENTRE NATIONAL DE LA RECHERCH SCIENTIFIQUE (C.N.R.S), UNIVERSITÉ DE BORDEAUXInventors: Henri Cramail, Thomas Lebarbe, Benoit Jean-Marie Gadenne, Carine Alfos
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Publication number: 20180002453Abstract: The present invention concerns a compound of formula (I): wherein:—n is an integer comprised between 1 and 7;—X1 is in particular a radical of formula —CH2—S—(CH2)k—S—;—A1 is in particular a linear or branched alkylene radical comprising from 2 to 30 carbon atoms, and—X2 is in particular an alkoxy group of formula ORa, wherein Ra is a linear or branched alkyl group comprising from 1 to 10 carbon atoms.Type: ApplicationFiled: December 16, 2015Publication date: January 4, 2018Inventors: Henri CRAMAIL, Jean-Pierre Albert Stéphane GRELIER, Frédérique PICHAVANT, Denilson DA SILVA PEREZ, Carine ALFOS, Suzanne Maud CHEMIN
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Publication number: 20170306082Abstract: The present invention concerns a polymer comprising:—at least one repetitive unit (V) having the following formula (T):(T)—and preferably at least one, preferably at least two, repetitive unit(s) (U) having the following formula (D):(D).Type: ApplicationFiled: October 16, 2015Publication date: October 26, 2017Applicants: PIVERT, UNIVERSITÉ DE BORDEAUX, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHN IQUES - ITERG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Henri CRAMAIL, Etienne GRAU, Blandine TESTUD, Daniel TATON, Didier PINTORI
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Publication number: 20170260329Abstract: The present invention concerns the use of a compound having the following formula (I), for the preparation of a polymer. The present invention also concerns the polymers obtained from polymerization of compound of formula (I), and their processes of preparation.Type: ApplicationFiled: October 5, 2015Publication date: September 14, 2017Applicants: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, Centre national de la recherche scientifique (C.N.R.S)Inventors: Stéphane GRELIER, Henri CRAMAIL, Audrey LLEVOT, Stéphane CARLOTTI, Etienne GRAU
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Publication number: 20170240937Abstract: The present invention relates to a process for preparing a compound having the formula (I), said process comprising the following steps: a) the addition of an oxygen source into a solution of a compound of formula (II), in a water-miscible solvent, b) the addition of a laccase in the solution obtained after step a); and c) the possible recovering of the compound of formula (I) thus obtained.Type: ApplicationFiled: October 5, 2015Publication date: August 24, 2017Applicants: UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, Centre national de la recherche scientifique (C.N.R.S)Inventors: Stéphane GRELIER, Henri CRAMAIL, Audrey LLEVOT, Stéphane CARLOTTI, Etienne GRAU
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Patent number: 9695269Abstract: The present invention relates to the use of a compound of formula (I): wherein: R represents a linear or branched alkyl group, comprising from 3 to 27 carbon atoms, said alkyl group being substituted with at least two hydroxyl groups, and which may optionally contain one or more unsaturations; and R? is selected from sugars or sugar-alcohols; for preparing polyurethanes and polyesters.Type: GrantFiled: October 2, 2012Date of Patent: July 4, 2017Assignees: UNIVERSITÉ DE BORDEAUX, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES—ITERG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), INSTITUT NATIONAL DES SCIENCES APPLIQUÉES LYONInventors: Henri Cramail, Aurélie Boyer, Cédric Epoune Lingome, Carine Alfos, Benoit Gadenne, Eric Cloutet, Yves Queneau, Sylvie Moebs
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Patent number: 9631086Abstract: The present invention relates to the use of polymers of the following formula (I): wherein: A1i represents a radical alkylene divalent comprising from 2 to 20 carbon atoms; A2i represents a radical alkylene divalent comprising from 2 to 20 carbon atoms; X1i is chosen from the group consisting of: —S—, —CH2— and a bond; Y represents H, a phenyl group or an alkyl group comprising from 1 to 10 carbon atoms; i represents an integer varying from 1 to n; n represents an integer comprised from 2 to 1,000; provided that the total number of carbon atoms of the radicals A2i, X1i et A1i is greater than or equal to 8; as additives in a polymeric matrix chosen from the group consisting of matrices of polyester, poly(vinyl chloride), polyurethane, polyamide, poly(alkyl acrylate), poly(alkyl methacrylate), polystyrene and polyolefin, said polymer of formula (I) being different from poly(ricinoleic acid).Type: GrantFiled: April 8, 2014Date of Patent: April 25, 2017Assignees: Université de Bordeaux, Institut Des Corps Gras Etudes Et Recherches Technigues—Iterg, Centre National de la Recherche Scientifique (C.N.R.S), Institut Polytechnique de BordeauxInventors: Henri Cramail, Thomas Lebarbe, Benoit Gadenne, Carine Alfos
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Patent number: 9605145Abstract: The present invention relates to the use of a compound of formula (I): wherein: —R represents —OH or —NH2; —A1 represents a divalent alkylene radical, straight or branched, having from 2 to 20 carbon atoms; —A2 represents a divalent alkylene radical, straight or branched, having from 1 to 20 carbon atoms; —X1 and X2 represent, independently of each other, —NH— or —O—; —A3 represents a divalent alkylene radical, straight or branched, having from 1 to 10 carbon atoms; —Z represents a hydrogen or a group of formula (A?): wherein A1, A3 and R are as defined above in formula (I), for the preparation of a polymer chosen among polyurethane, polyester and polyamide.Type: GrantFiled: November 15, 2012Date of Patent: March 28, 2017Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT DES CORPS GRAS ETUDES ET RECHERCHES TECHNIQUES-ITERGInventors: Lise Maisonneuve, Thomas Lebarbe, Henri Cramail, Carine Alfos, Benoît Gadenne, Eric Cloutet
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Patent number: 9556403Abstract: The present invention relates to a method for preparing polyols of formula (I?) R?1 being H or an alkyl group, R? being especially an alkyl group, A1, being an alkylene radical and R3, are being especially a group -A2-O—Y?, A2 being an alkylene radical and Y? being especially H, said method especially comprising a step of epoxidation of a compound of formula R?1 being H or an alkyl group, At being defined as above in formula (I?) and R4 being especially a group -A2-O—Y1?, A2 being defined as above in formula (I?) and Y?1 being especially H, in order to obtain a compound of formula A1 being defined as above, R??1 being H or an alkyl group and R5 being especially a group of formula -A2-O—Y2?, A2 being as defined above in formula (I?) and Y?2 being especially H.Type: GrantFiled: September 10, 2010Date of Patent: January 31, 2017Assignee: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Henri Cramail, Aurélie Boyer, Eric Cloutet, Rachida Bakhiyi, Carine Alfos