Patents by Inventor Cyril BROCHON
Cyril BROCHON 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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Publication number: 20220411550Abstract: A copolymer including fluorinated units of formula (I): —CX1X2—CX3X4—??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and fluorinated units of formula (II): —CX5X6—CX7Z—??(II) in which each of the X5, X6 and X7 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and in which Z is a photoactive group of formula —Y—Ar—R, Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from this copolymer.Type: ApplicationFiled: December 16, 2019Publication date: December 29, 2022Applicants: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN, Georges HADZIIOANNOU, Eric CLOUTET, Cyril BROCHON, Konstantinos KALLITSIS
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Publication number: 20220098343Abstract: A copolymer including units derived from fluoro monomers of formula (I): CX1X2?CX3X4??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, the H and/or F atoms of the fluoro monomers being partially replaced with photoactive groups of formula —Y—Ar—R in the copolymer; Y representing an oxygen atom or an NH group or a sulfur atom, Ar representing an aryl group, preferably a phenyl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms. The fluoro monomers of formula (I) of the copolymer include vinylidene fluoride and trifluoroethylene. Also, a process for preparing this copolymer, a composition including this copolymer, and a film obtained from the copolymer.Type: ApplicationFiled: December 16, 2019Publication date: March 31, 2022Applicants: Arkema France, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Georges HADZIIOANNOU, Eric CLOUTET, Cyril BROCHON, Konstantinos KALLITSIS, Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN
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Publication number: 20220073663Abstract: A copolymer including fluorinated units of formula (I): —CX1X2—CX3X4—??(I) in which each of the X1, X2, X3 and X4 is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated; and units of formula (III): —CXAXB—CXCZ—??(III) in which each of the XA, XB and XC is independently chosen from H, F and alkyl groups including from 1 to 3 carbon atoms which are optionally partially or totally fluorinated, and Z being a polarizable group of formula —Y—Ar—R; Y representing an O atom or an S atom or an NH group, Ar representing an aryl group, and R being a monodentate or bidentate group including from 1 to 30 carbon atoms; and the copolymer having a heat of fusion of greater than or equal to 5 J/g. Also a process, a composition, an ink and a film.Type: ApplicationFiled: December 16, 2019Publication date: March 10, 2022Applicants: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN, Georges HADZIIOANNOU, Eric CLOUTET, Cyril BROCHON, Konstantinos KALLITSIS
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Publication number: 20200301304Abstract: Some embodiments relate to an electrophoretic ink including particles that may have a negative charge, dispersed in a non-polar organic solvent. The ink includes a trialkylamine charge-control agent, selected from the following charge-control agents: tributylamine, triisobutylamine, tripentylamine, trihexylamine, tri(2-ethylhexyl)amine, trioctylamine, triisooctylamine, tridodecylamine, triisododecylamine. The particles have a hydrophobic surface and an isoelectric point (IEP) or a point of zero charge (PZC) that is lower than the pKa of the charge-control agent.Type: ApplicationFiled: March 3, 2017Publication date: September 24, 2020Inventors: Deborah MIRBEL, Christophe NAVARRO, Cyril BROCHON, Éric CLOUTET, Georges HADZIIOANNOU
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Publication number: 20200231731Abstract: A process for preparing a nanostructured assembly by annealing a composition comprising a block copolymer on a surface. The block copolymer includes a first block resulting from the polymerization of at least one cyclic monomer having a structure as described herein. The block copolymer also includes a second block that includes a vinyl aromatic monomer.Type: ApplicationFiled: October 7, 2016Publication date: July 23, 2020Applicant: Arkema FranceInventors: Christophe NAVARRO, Celia Nicolet, Karim Aissou, Muhammad Mumtaz, Eric Cloutet, Cyril Brochon, Guillaume Fleury, Georges Hadziioannou
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Publication number: 20200157334Abstract: The invention relates to a copolymer comprising units derived from monomers of vinylidene fluoride and/or trifluoroethylene, as well as fluorinated monomers X comprising a double bond and a leaving group selected from among chlorine, bromine and iodine atoms, the leaving groups being partially replaced by azide groups in the copolymer.Type: ApplicationFiled: July 16, 2018Publication date: May 21, 2020Applicants: Arkema France, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Georges HADZIIOANNOU, Eric CLOUTET, Cyril BROCHON, Damien THUAU, Konstantinos KALLITSIS, Fabrice DOMINGUES DOS SANTOS, Thibaut SOULESTIN
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Patent number: 10199135Abstract: The invention relates to stable compositions of carbon nanotubes and of electrolytic polymers, these electrolytic polymers being characterized by the presence of phosphonyl imide or sulfonyl imide functions or alternatively phosphoric acid functions. The invention also relates to the manufacture of transparent electrodes comprising these compositions of carbon nanotubes and of electrolytic polymers.Type: GrantFiled: October 29, 2014Date of Patent: February 5, 2019Assignees: ARKEMA FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe Navarro, Wiljan Smaal, Muhammad Mumtaz, Eric Cloutet, Cyril Brochon, Georges Hadziioannou
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Patent number: 9890241Abstract: The invention relates to a process for synthesizing poly(3,4-ethylenedioxythiophene)-electrolytic (co)polymer composite in a single step.Type: GrantFiled: October 29, 2014Date of Patent: February 13, 2018Assignees: Arkema France, Centre National De La Recherche Scientifique, Universite De Bordeaux, Institut Polytechnique De BordeauxInventors: Christophe Navarro, Usein Ismailov, Muhammad Mumtaz, Eric Cloutet, Cyril Brochon, Georges Hadziioannou
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Patent number: 9558861Abstract: The invention relates to novel block copolymers that enable a good dispersion of nanofillers in water and also to a dispersion of nanofillers obtained owing to these block copolymers. This dispersion may be used as a transparent electrode in organic solar cells or other photoemitter or photoreceptor devices.Type: GrantFiled: April 3, 2013Date of Patent: January 31, 2017Assignees: ARKEMA FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe Navarro, Katerina Bethani, Cyril Brochon, Henri Cramail, Guillaume Fleury, Georges Hadziioannou, Eric Cloutet
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Publication number: 20160333216Abstract: The invention relates to a process that enables the creation of nanometric structures by self-assembly of block copolymers, at least one of the blocks of which results from the polymerization of monomers comprising at least one cyclic entity corresponding to the formula I. where X?Si(R1,R2); Ge(R1,R2) Z?Si(R3,R4); Ge(R3,R4); O; S; C(R3,R4) Y?O; S; C(R5,R6) T=O; S; C(R7,R8) R1, R2, R3, R4, R5, R6, R7, R8 are selected from hydrogen, linear, branched or cyclic alkyl groups, with or without heteroatoms, and aromatic groups with or without heteroatoms.Type: ApplicationFiled: December 11, 2014Publication date: November 17, 2016Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, ARKEMA FRANCEInventors: Muhammad MUMTAZ, Karim AISSOU, Cyril BROCHON, Eric CLOUTET, Guillaume FLEURY, Georges HADZIIOANNOU, Christophe NAVARRO, Celia NICOLET, Xavier CHEVALIER
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Publication number: 20160333221Abstract: The invention relates to a process that enables the creation of nanometric structures by self-assembly of block copolymers, at least one of the blocks of which is crystallizable or has at least one liquid crystal phase.Type: ApplicationFiled: December 11, 2014Publication date: November 17, 2016Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, ARKEMA FRANCEInventors: Muhammad MUMTAZ, Karim AISSOU, Cyril BROCHON, Eric CLOUTET, Guillaume FLEURY, Georges HADZIIOANNOU, Christophe NAVARRO, Celia NICOLET, Xavier CHEVALIER
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Publication number: 20160276053Abstract: The invention relates to a stable composition of poly(3,4-ethylenedioxythiophene) anionic stabilizers with a limited degree of acidity.Type: ApplicationFiled: October 29, 2014Publication date: September 22, 2016Applicants: Arkema France, Centre National De La Recherche Scientifique (CNRS), Universite De Bordeaux, Institut Polytechnique De BordeauxInventors: Christophe NAVARRO, Wiljan SMAAL, Muhammad MUMTAZ, Eric CLOUTET, Cyril BROCHON, Georges HADZIIOANNOU
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Publication number: 20160276057Abstract: The invention relates to stable compositions of carbon nanotubes and of electrolytic polymers, these electrolytic polymers being characterized by the presence of phosphonyl imide or sulfonyl imide functions or alternatively phosphoric acid functions. The invention also relates to the manufacture of transparent electrodes comprising these compositions of carbon nanotubes and of electrolytic polymers.Type: ApplicationFiled: October 29, 2014Publication date: September 22, 2016Applicants: ARKEMA FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe NAVARRO, Wiljan SMAAL, Muhammad MUMTAZ, Eric CLOUTET, Cyril BROCHON, Georges HADZIIOANNOU
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Publication number: 20160257780Abstract: The invention relates to a process for synthesizing poly(3,4-ethylenedioxythiophene)-electrolytic (co)polymer composite in a single step.Type: ApplicationFiled: October 29, 2014Publication date: September 8, 2016Applicants: ARKEMA FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe NAVARRO, Usein ISMAILOV, Muhammad MUMTAZ, Eric CLOUTET, Cyril BROCHON, Georges HADZIIOANNOU
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Patent number: 9349962Abstract: A composition including a graft copolymer, having: a linear trunk including at least one non-aromatic vinyl polymer or an unsaturated polyolefin; and at least two grafts attached to said trunk via a chemical bond, each graft having a conjugated polymer, characterized in that said composition further includes: fullerenes and a conjugated polymer; or carbon and/or graphene nanotubes. Also, a photovoltaic module incorporating such a composition, and to the use of said composition for the same purposes. Finally, methods for synthesizing the molecules forming all or part of the composition.Type: GrantFiled: April 26, 2012Date of Patent: May 24, 2016Assignees: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT POLYTECHNIQUE DE BOURDEAUXInventors: Sébastien-Jun Mougnier, Cyril Brochon, Georges Hadziioannou, Eric Cloutet, Christophe Navarro
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Publication number: 20150140267Abstract: The invention relates to a process for the preparation, by spatial distribution of light intensity, of a surface in relief promoting order and spatial coherence serving as a guide for the organization, on nano- and micrometre scales, of an overlayer on the surface in particular of block copolymers.Type: ApplicationFiled: May 23, 2013Publication date: May 21, 2015Applicants: Arkema France, Universite de BordeauxInventors: Christophe Navarro, Karim Aissou, Cyril Brochon, Stefan Dilhaire, Guillaume Fleury, Stephane Grauby, Georges Hadziioannou, Jean-Michel Rampnoux, Jonah Shaver
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Publication number: 20150060737Abstract: The invention relates to novel block copolymers that enable a good dispersion of nanofillers in water and also to a dispersion of nanofillers obtained owing to these block copolymers. This dispersion may be used as a transparent electrode in organic solar cells or other photoemitter or photoreceptor devices.Type: ApplicationFiled: April 3, 2013Publication date: March 5, 2015Applicants: Arkema France, Centre National De La Recherche Scientique, Universite De Bordeaux 1, Institut Polytechnique De BordeauxInventors: Christophe Navarro, Katerina Bethani, Cyril Brochon, Henri Cramail, Guillaume Fleury, Georges Hadziioannou, Eric Cloutet
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Publication number: 20140332729Abstract: The present invention relates to the field of inks for electrophoretic display devices, and more particularly to a process for encapsulating at least one inorganic pigment by dispersion polymerization in an organic medium. The process consists in dispersing the inorganic pigment in the organic medium, then in synthesizing at least one stable polymer latex in said organic medium, said latex precipitating around said inorganic pigment in order to form a protective shell and to thus obtain a particle, said synthesis of the latex being carried out by polymerization, in said organic medium, of an electrostatically chargeable functional monomer, based on use of a macroinitiator capable of stabilizing said particle obtained.Type: ApplicationFiled: October 9, 2012Publication date: November 13, 2014Applicants: ARKEMA FRANCE, INSTITUT POLYTECHNIQUE DE BORDEAUX, UNIVERSITE DE BORDEAUX 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Cyril Brochon, Georges Hadziioannou, Antoine Charbonnier
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Publication number: 20140130850Abstract: A composition of an active film of an organic photovoltaic cell, including: an electron-donor material having a conjugated polymer; and an electron-acceptor material having a polymer, wherein the active film comprises a copolymer with a linear structure including: two to five blocks, at least two blocks of which have different chemical natures; two consecutive blocks having different chemical natures; each block having a molar mass of between 500 g/mol and 50,000 g/mol. Also, an organic-cell-based photovoltaic module incorporating such a composition and the use of this composition for the same purposes.Type: ApplicationFiled: May 16, 2012Publication date: May 15, 2014Applicants: ARKEMA FRANCE, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX 1Inventors: Celia Nicolet, Dargie H. Deribew, Cedric Renaud, Guillaume Fleury, Cyril Brochon, Laurence Vignau, Eric Cloutet, Sébastien-Jun Mougnier, Georges Hadziioannou
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Publication number: 20140083500Abstract: A composition including a graft copolymer, having: a linear trunk including at least one non-aromatic vinyl polymer or an unsaturated polyolefin; and at least two grafts attached to said trunk via a chemical bond, each graft having a conjugated polymer, characterized in that said composition further includes: fullerenes and a conjugated polymer; or carbon and/or graphene nanotubes. Also, a photovoltaic module incorporating such a composition, and to the use of said composition for the same purposes. Finally, methods for synthesizing the molecules forming all or part of the composition.Type: ApplicationFiled: April 26, 2012Publication date: March 27, 2014Applicants: ARKEMA FRANCE, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUX 1Inventors: Sebastien-Jun Mougnier, Cyril Brochon, Georges Hadziioannou, Eric Cloutet, Christophe Navarro