Patents by Inventor Catherine Le

Catherine Le 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).

  • Publication number: 20230181462
    Abstract: The present invention provides crosslinking pairs of hydrogel precursor polymers, dynamic covalent hydrogels prepared from such crosslinking pairs of hydrogel precursors, pharmaceutical compositions comprising such precursors or hydrogels and uses thereof in a variety of applications.
    Type: Application
    Filed: March 10, 2021
    Publication date: June 15, 2023
    Applicants: Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Nantes Universite
    Inventors: Vianney Delplace, Jérôme Guicheux, Catherine Le Visage, Arnaud Tessier
  • Patent number: 11511016
    Abstract: The present invention relates to a method for preparing a porous scaffold for tissue engineering. It is another object of the present invention to provide a porous scaffold obtainable by the method as above described, and its use for tissue engineering, cell culture and cell delivery. The method of the invention comprises the steps consisting of: a) preparing an alkaline aqueous solution comprising an amount of at least one polysaccharide, an amount of a cross-linking agent and an amount of a porogen agent b) transforming the solution into a hydrogel by placing said solution at a temperature from about 4° C. to about 80° C. for a sufficient time to allow the cross-linking of said amount of polysaccharide and c) submerging said hydrogel into an aqueous solution d) washing the porous scaffold obtained at step c).
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 29, 2022
    Assignees: INSERM (Institut National de la Santé et de la Recherche Médicale), Université Paris Cité
    Inventors: Catherine Le Visage, Didier Letourneur
  • Patent number: 10588861
    Abstract: The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads are highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: March 17, 2020
    Assignees: Institut National de la Santé et de la Recherche Médicale (INSERM), Université Paris Diderot—Paris 7
    Inventors: Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui
  • Publication number: 20200016294
    Abstract: The present invention relates to a method for preparing a porous scaffold for tissue engineering. It is another object of the present invention to provide a porous scaffold obtainable by the method as above described, and its use for tissue engineering, cell culture and cell delivery. The method of the invention comprises the steps consisting of: a) preparing an alkaline aqueous solution comprising an amount of at least one polysaccharide, an amount of a cross-linking agent and an amount of a porogen agent b) transforming the solution into a hydrogel by placing said solution at a temperature from about 4° C. to about 80° C. for a sufficient time to allow the cross-linking of said amount of polysaccharide and c) submerging said hydrogel into an aqueous solution d) washing the porous scaffold obtained at step c).
    Type: Application
    Filed: March 25, 2019
    Publication date: January 16, 2020
    Inventors: Catherine Le Visage, Didier Letourneur
  • Patent number: 10478872
    Abstract: A method for treatment of a plastic transport box for conveyance and atmospheric storage of substrates including walls bounding a volume intended for storage of substrates, and a station for treatment of transport boxes for conveyance and atmospheric storage of substrates, the method including: at least one plasma treatment in which at least one interior wall of the transport box is subjected to a plasma of a treatment gas at a gas pressure lower than 10000 pascals.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: November 19, 2019
    Assignee: PFEIFFER VACUUM
    Inventors: Julien Palisson, Catherine Le Guet
  • Publication number: 20190083400
    Abstract: The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads arc highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 21, 2019
    Inventors: Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui
  • Patent number: 10143774
    Abstract: The present invention relate to three dimensional porous polysaccharide matrices able to induce mineralization of a tissue in osseous site, as well as in non-osseous site, in the absence of stem cells or growth factors.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: December 4, 2018
    Assignees: INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE), UNIVERSITE DE BORDEAUX II VICTOR SEGALEN, UNIVERSITÉ PARIS DIDEROT—PARIS 7
    Inventors: Joelle Amedee, Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui, Jean-Christophe Fricain, Sylvain Catros
  • Publication number: 20180303946
    Abstract: The present invention relates to a method for preparing beads comprising imaging agent. The present invention further provides beads highly useful for medical imaging.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 25, 2018
    Inventors: Sidi Mohammed Derkaoui, Catherine Le Visage, Thomas Bonnard, Didier Le Tourneur, Jean-Michel Serfaty
  • Publication number: 20170319741
    Abstract: The present invention relate to three dimensional porous polysaccharide matrices able to induce mineralisation of a tissue in osseous site, as well as in non-osseous site, in the absence of stem cells or growth factors.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Applicants: Institut National de la Sante et de la Recherche Medicale (INSERM), Universite de Bordeaux II Victor Segalen, Universite Paris Diderot - Paris 7
    Inventors: Joelle Amedee, Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui, Jean-Christophe Fricain, Sylvain Catros
  • Patent number: 9757494
    Abstract: The present invention relate to three dimensional porous polysaccharide matrices able to induce mineralisation of a tissue in osseous site, as well as in non-osseous site, in the absence of stent cells or growth factors.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 12, 2017
    Assignees: Institut National de la Sante et de la Recherche Medicale (INSERM), Universite de Bordeaux II Victor Segalen, Universite Paris Diderot-Paris 7
    Inventors: Joelle Amedee, Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui, Jean-Christophe Fricain, Sylvain Catros
  • Patent number: 9730879
    Abstract: A process for the production of carbohydrate partial esters by transesterification of glycoses with fatty acid esters in the presence of emulsifiers and a catalyst mixture, to produce products with utility in the production of foods, cosmetic preparations, and in superabsorbancy applications.
    Type: Grant
    Filed: October 29, 2005
    Date of Patent: August 15, 2017
    Assignee: Cognis IP Management GmbH
    Inventors: Catherine Le Hen Ferrenbach, Marc Beuche, Myriam Roussel
  • Publication number: 20170182526
    Abstract: A method for treatment of a plastic transport box for conveyance and atmospheric storage of substrates including walls bounding a volume intended for storage of substrates, and a station for treatment of transport boxes for conveyance and atmospheric storage of substrates, the method including: at least one plasma treatment in which at least one interior wall of the transport box is subjected to a plasma of a treatment gas at a gas pressure lower than 10000 pascals.
    Type: Application
    Filed: July 3, 2015
    Publication date: June 29, 2017
    Applicant: PFEIFFER VACUUM
    Inventors: Julien PALISSON, Catherine LE GUET
  • Publication number: 20170080123
    Abstract: The present invention relates to a method for preparing a porous scaffold for tissue engineering. It is another object of the present invention to provide a porous scaffold obtainable by the method as above described, and its use for tissue engineering, cell culture and cell delivery. The method of the invention comprises the steps consisting of: a) preparing an alkaline aqueous solution comprising an amount of at least one polysaccharide, an amount of a cross-linking agent and an amount of a porogen agent b) transforming the solution into a hydrogel by placing said solution at a temperature from about 4° C. to about 80° C. for a sufficient time to allow the cross-linking of said amount of polysaccharide and c) submerging said hydrogel into an aqueous solution d) washing the porous scaffold obtained at step c).
    Type: Application
    Filed: November 9, 2016
    Publication date: March 23, 2017
    Inventors: Catherine Le Visage, Didier Letourneur
  • Patent number: 9555164
    Abstract: The present invention relates to a method for preparing a porous scaffold for tissue engineering. It is another object of the present invention to provide a porous scaffold obtainable by the method as above described, and its use for tissue engineering, cell culture and cell delivery. The method of the invention comprise the steps consisting of a) preparing an alkaline aqueous solution comprising an amount of at least one polysaccharide and one cross-linking agent b) freezing the aqueous solution of step a) c) sublimating the frozen solution of step b) characterized in that step b) is performed before the cross-linking of the polysaccharide occurs in the solution of step a).
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: January 31, 2017
    Assignee: INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE)
    Inventors: Catherine Le Visage, Didier Letourneur, Frederic Chaubet, Aude Autissier
  • Patent number: 9522218
    Abstract: The present invention relates to a method for preparing a porous scaffold for tissue engineering. It is another object of the present invention to provide a porous scaffold obtainable by the method as above described, and its use for tissue engineering, cell culture and cell delivery. The method of the invention comprises the steps consisting of: a) preparing an alkaline aqueous solution comprising an amount of at least one polysaccharide, an amount of a cross-linking agent and an amount of a porogen agent b) transforming the solution into a hydrogel by placing said solution at a temperature from about 4° C. to about 80° C. for a sufficient time to allow the cross-linking of said amount of polysaccharide and c) submerging said hydrogel into an aqueous solution d) washing the porous scaffold obtained at step c).
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: December 20, 2016
    Assignees: INSERM (Institut National de la Santé et de la Recherche Médicale), Université Paris 7—Denis Diderot
    Inventors: Catherine Le Visage, Didier Letourneur
  • Publication number: 20160361462
    Abstract: Modifications of the biomaterial poly(vinyl alcohol) with surface topographical cues, attachment factors for its improved performance, and/or sustained release of vascular endothelial biochemical cue for application as a vascular graft scaffold is described. Furthermore, novel fabrication methods to pattern the poly(vinyl alcohol) hydrogel in planar film or tubular form with the topographies in the lumen are disclosed.
    Type: Application
    Filed: April 13, 2016
    Publication date: December 15, 2016
    Applicants: NATIONAL UNIVERSITY OF SINGAPORE, INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM)
    Inventors: King Fai Evelyn YIM, Catherine LE VISAGE, Marie Francene Arnobit CUTIONGCO, Ming Hao TAN, Seok Hong GOH
  • Publication number: 20160279064
    Abstract: The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads are highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
    Type: Application
    Filed: June 3, 2016
    Publication date: September 29, 2016
    Inventors: Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui
  • Patent number: 9381250
    Abstract: The present inventions relates to beads as biocompatible material adapted for use within the human or animal body. Said beads are highly useful for tissue engineering, in situ tissue regeneration, as well as for drug and/or cells delivery. In addition, said beads may support biotechnological applications such as cell carriers.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: July 5, 2016
    Assignees: Institut National de la Sante et de la Recherche Medicale (INSERM), Universite Paris Diderot—Paris 7
    Inventors: Didier Letourneur, Catherine Le Visage, Sidi Mohammed Derkaoui
  • Patent number: 9216165
    Abstract: The present invention relates to a combination of (i) a statin, and (ii) a taxane, for simultaneous or sequential use in the treatment of a patient suffering from solid tumor, e.g. a gastric cancer. The present invention also provides a statin, for use in a method for enhancing sensitivity of a patient suffering from a solid tumor to a taxane.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: December 22, 2015
    Assignees: INSERM (Institut National de la Sante et de la Recherche Medicale), Universite de Bretagne Occidentale
    Inventors: Laurent Corcos, Catherine Le Jossic-Corcos
  • Publication number: 20150328365
    Abstract: The present invention relate to three dimensional porous polysaccharide matrices able to induce mineralisation of a tissue in osseous site, as well as in non-osseous site, in the absence of stent cells or growth factors.
    Type: Application
    Filed: June 2, 2015
    Publication date: November 19, 2015
    Applicants: Institut National de la Sante et de la Recherche Medicale (INSERM), Universite de Bordeaux II Victor Segalen, Universite Paris Diderot - Paris 7
    Inventors: Joelle AMEDEE, Didier LETOURNEUR, Catherine LE VISAGE, Sidi Mohammed DERKAOUI, Jean-Christophe FRICAIN, Sylvain CATROS