Patents by Inventor Jean Coudane
Jean Coudane 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: 20230312837Abstract: Disclosed herein are novel copolymers of poly(?-caprolactone) (PCL) and polydopamine (PDA), optionally further comprising a PEG chain, methods for making them as well as their use in pharmaceutical preparations, especially implants or in situ gelling depots, for the treatment of ocular disorders or eye diseases.Type: ApplicationFiled: June 9, 2023Publication date: October 5, 2023Applicant: Hoffmann-La Roche Inc.Inventors: Floriane Bahuon, Jean Coudane, Vincent Darcos, Benjamin Nottelet, Sulabh Pravinchandra Patel, Gregoire Schwach
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Patent number: 11383008Abstract: The present invention relates to an efficient method for grafting a properties-imparting compound onto a polymeric substrate containing carbon-hydrogen (C—H) bonds using clip chemistry. The method of the invention includes coating the substrate with the properties-imparting compound and irradiating it with a reactive light source, and repeating this sequence at least once. The present invention further relates to surface-modified polymeric substrates grafted with a properties-imparting compound, in particular obtained with the method of the invention, medical devices comprising same, and non-medical of said surface-modified polymeric substrates.Type: GrantFiled: June 23, 2017Date of Patent: July 12, 2022Assignees: Centre National de la Recherche Scientifique (CNRS)Inventors: Benjamin Nottelet, Anita Schulz épouse Luxenhofer, Jean Coudane
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Patent number: 10603414Abstract: Disclosed is a composition based on copolymers including at least one A-B block copolymer, wherein block A is a polyester and block B is a polyoxyethylene (PEG), and wherein the total molecular mass in weight of the PEG is higher than or equal to 50 kDa, and the ethylene oxide motif/ester motif molar ratio is between 0.5 and 5. The invention also relates to an anti-adhesive material including such a composition, used for the prevention of tissue adhesions and especially for the prevention of intrauterine synechiae.Type: GrantFiled: August 3, 2015Date of Patent: March 31, 2020Assignees: UNIVERSITE DE MONTPELLIER, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CENTRE REGIONAL HOSPITALIER UNIVERSITAIRE DE NIMESInventors: Jean Coudane, Salome Leprince, Xavier Garric, Cedric Paniagua, Stephanie Huberlant, Vincent Letouzey
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Publication number: 20190247551Abstract: The present invention relates to an efficient method for grafting a properties-imparting compound onto a polymeric substrate containing carbon-hydrogen (C—H) bonds using clip chemistry. The method of the invention includes coating the substrate with the properties-imparting compound and irradiating it with a reactive light source, and repeating this sequence at least once. The present invention further relates to surface-modified polymeric substrates grafted with a properties-imparting compound, in particular obtained with the method of the invention, medical devices comprising same, and non-medical of said surface-modified polymeric substrates.Type: ApplicationFiled: June 23, 2017Publication date: August 15, 2019Applicants: Centre National de la Recherche Scientifique (CNRS), Universite de Montpellier, Ecole Nationale Superieure de Chimie de Montpellier - ENSCMInventors: Benjamin Nottelet, Anita Schulz épouse Luxenhofer, Jean Coudane
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Patent number: 9737621Abstract: The invention relates to a hydrophobic thermoplastic copolymer which is in particular of use for manufacturing and/or coating medical devices, in particular implantable medical devices, characterized in that it is obtained by copolymerization, and in that it comprises at least one first monomer unit and at least one second monomer unit onto which is grafted a paramagnetic-ion-chelating ligand which can complex with such a paramagnetic ion or a paramagnetic-ion-chelating ligand which is complexed with such a paramagnetic ion, wherein the second monomer unit is grafted in sufficient amount for the copolymer to be visible in magnetic resonance imaging when it is complexed with said paramagnetic ion. The invention also relates to a method for obtaining said hydrophobic thermoplastic copolymer.Type: GrantFiled: December 7, 2012Date of Patent: August 22, 2017Assignee: Centre National de la Recherche ScientifiqueInventors: Jean Coudane, Vincent Darcos, Sarah El Habnouni, Xavier Garric, Laurent Lemaire, Benjamin Nottelet
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Publication number: 20170224883Abstract: Disclosed is a composition based on copolymers including at least one A-B block copolymer, wherein block A is a polyester and block B is a polyoxyethylene (PEG), and wherein the total molecular mass in weight of the PEG is higher than or equal to 50 kDa, and the ethylene oxide motif/ester motif molar ratio is between 0.5 and 5. The invention also relates to an anti-adhesive material including such a composition, used for the prevention of tissue adhesions and especially for the prevention of intrauterine synechiae.Type: ApplicationFiled: August 3, 2015Publication date: August 10, 2017Inventors: Jean COUDANE, Salome LEPRINCE, Xavier GARRIC, Cedric PANIAGUA, Stephanie HUBERLANT, Vincent LETOUZEY
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Patent number: 9629811Abstract: A cell carrying microsphere composition, wherein the microsphere composition comprises a microspheric core comprising a triblock copolymer matrix A-B-A wherein A is selected from poly(lactide-co-glycolide) (PLGA) or polylactide (PLA) and B is poloxamer or poloxamine, wherein the microspheric core is coated with a cell adhesion coating and further comprises whole cells or cell fragments bonded to the cell adhesion coating, a process for the preparation of a cell carrying microsphere composition, and applications thereof.Type: GrantFiled: March 29, 2013Date of Patent: April 25, 2017Assignee: Institut National de la Sante et de la Recherche Medicale (INSERM)Inventors: Marie Morille, Van-Thanh Tran, Xavier Garric, Jean Coudane, Marie-Claire Venier-Julienne, Claudia Montero-Menei
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Patent number: 9358324Abstract: The present invention relates to a hydrophobic polymer used in particular to produce and/or coat medical devices, in particular implantable medical devices, that are visible in magnetic resonance imaging, characterized in that it comprises at least one monomer unit on which is grafted a chelating ligand of a paramagnetic ion complexed with such a paramagnetic ion, said monomer unit having at least one carbonyl group, said monomer unit comprising, prior to grafting, at least one hydrogen atom in the ? position of said at least one carbonyl group, and said grafting of the chelating ligand taking place in the area of said at least one hydrogen atom in the ? position of said at least one carbonyl group.Type: GrantFiled: July 7, 2010Date of Patent: June 7, 2016Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE MONTPELLIER 2, UNIVERSITE DE MONTPELLIER 1, CENTRE HOSPITALIER UNIVERSITAIRE DE NIMESInventors: Sebastien Blanquer, Jean Coudane, Renaud De Tayrac, Xavier Garric, Vincent Letouzey, Olivier Guillaume
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Publication number: 20150056290Abstract: A cell carrying microsphere composition, wherein the microsphere composition comprises a microspheric core comprising a triblock copolymer matrix A-B-A wherein A is selected from poly(lactide-co-glycolide) (PLGA) or polylactide (PLA) and B is poloxamer or poloxamine, wherein the microspheric core is coated with a cell adhesion coating and further comprises whole cells or cell fragments bonded to the cell adhesion coating, a process for the preparation of a cell carrying microsphere composition, and applications thereof.Type: ApplicationFiled: March 29, 2013Publication date: February 26, 2015Inventors: Marie Morille, Van-Thanh Tran, Xavier Garric, Jean Coudane, Marie-Claire Venier-Julienne, Claudia Montero-Menei
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Publication number: 20140302324Abstract: The invention relates to a hydrophobic thermoplastic copolymer which is in particular of use for manufacturing and/or coating medical devices, in particular implantable medical devices, characterized in that it is obtained by copolymerization, and in that it comprises at least one first monomer unit and at least one second monomer unit onto which is grafted a paramagnetic-ion-chelating ligand which can complex with such a paramagnetic ion or a paramagnetic-ion-chelating ligand which is complexed with such a paramagnetic ion, wherein the second monomer unit is grafted in sufficient amount for the copolymer to be visible in magnetic resonance imaging when it is complexed with said paramagnetic ion. The invention also relates to a method for obtaining said hydrophobic thermoplastic copolymer.Type: ApplicationFiled: December 7, 2012Publication date: October 9, 2014Applicant: Centre National de la Recherche ScientifiqueInventors: Jean Coudane, Vincent Darcos, Sarah El Habnouni, Xavier Garric, Laurent Lemaire, Benjamin Nottelet
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Publication number: 20120178872Abstract: The present invention relates to a hydrophobic polymer used in particular to produce and/or coat medical devices, in particular implantable medical devices, that are visible in magnetic resonance imaging, characterized in that it comprises at least one monomer unit on which is grafted a chelating ligand of a paramagnetic ion complexed with such a paramagnetic ion, said monomer unit having at least one carbonyl group, said monomer unit comprising, prior to grafting, at least one hydrogen atom in the a position of said at least one carbonyl group, and said grafting of the chelating ligand taking place in the area of said at least one hydrogen atom in the a position of said at least one carbonyl group.Type: ApplicationFiled: July 7, 2010Publication date: July 12, 2012Applicants: Centre Hospitalier Universitaire de Nimes, Universite de MontpellierInventors: Sebastien Blanquer, Jean Coudane, Renaud De Tayrac, Xavier Garric, Vincent Letouzey, Olivier Guillaume
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Patent number: 6156429Abstract: The invention concerns monomers with dilactonic cycle and the corresponding polymers, their preparation, and materials containing these polymers. The monomers are of formula (IIIa) ##STR1## in which R is the residue of an acid derived from an ose such as glyconic, gylcuronic or glycaric acid and X represents in particular a methylene or ethylene group optionally substituted by at least an alkyl, allyl, aryl or aralkyl. The corresponding polymers are in the form of degradable non-toxic products and are used for example for packaging (films) or in medicine (implants).Type: GrantFiled: March 21, 2000Date of Patent: December 5, 2000Assignee: Centre National de la Recherche Scientifique (CNRS)Inventors: Katarina Marcincinova, Mahfoud Boustta, Jean Coudane, Michel Vert
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Patent number: 5662938Abstract: Bioresorbable microspheres and a process for making microspheres are provided. The microspheres are made of poly(hydroxy acid) having a bimodal distribution; at least one poly(hydroxy acid) having molecular mass of at least 20,000 and at least one poly(hydroxy acid) having a molecular mass of less than 5,000. The microspheres may contain an active substance for gradual release into a biosystem.Type: GrantFiled: January 19, 1995Date of Patent: September 2, 1997Assignee: Centre National de la Recherche Scientifique (CNRS)Inventors: Michel Vert, Jean Coudane, Christine Ustariz, Gregoire Schwach