Patents by Inventor Alain Marty

Alain Marty 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: 20210009980
    Abstract: The present invention relates to novel proteases, more particularly to protease variants having improved activity compared to the protease of SEQ ID N° 1 and the uses thereof for degrading polyester containing material, such as plastic products. The proteases of the invention are particularly suited to degrade polylactic acid, and material containing polylactic acid.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Inventors: ALAIN MARTY, SOPHIE DUQUESNE, MARIE GUICHERD, MARLENE VUILLEMIN, MAHER BEN KHALED
  • Publication number: 20200392303
    Abstract: The present invention relates to processes for degrading plastic products and the uses thereof. The processes of the invention particularly comprise a step of amorphizing a plastic product prior to a step of depolymerization. The processes of the invention are particularly useful for degrading a plastic product comprising polyethylene terephthalate and/or polylactic acid. The invention also relates to a method of producing monomers and/or oligomers from a plastic product comprising at least one polyester, particularly polyethylene terephthalate and/or polylactic acid, comprising submitting the plastic product both to an amorphization step and to a depolymerization step.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Inventors: MARIE-LAURE DESROUSSEAUX, HELENE TEXIER, SOPHIE DUQUESNE, ALAIN MARTY, MEDIHA ALOUI DALIBEY, MICHEL CHATEAU
  • Publication number: 20200385698
    Abstract: The present invention relates to novel proteases, more particularly to protease variants having improved activity compared to the protease of SEQ ID NO: 1 and the uses thereof for degrading polyester containing material, such as plastic products. The proteases of the invention are particularly suited to degrade polylactic acid, and material containing polylactic acid.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 10, 2020
    Inventors: ALAIN MARTY, SOPHIE DUQUESNE, MARIE GUICHERD, MARC GUEROULT, ISABELLE ANDRE
  • Patent number: 10829754
    Abstract: The present invention relates to novel proteases, more particularly to protease variants having improved activity compared to the protease of SEQ ID NO:1 and the uses thereof for degrading polyester containing material, such as plastic products. The proteases of the invention are particularly suited to degrade polylactic acid, and material containing polylactic acid.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: November 10, 2020
    Assignee: CARBIOS
    Inventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marlene Vuillemin, Maher Ben Khaled
  • Patent number: 10767026
    Abstract: The present invention relates to processes for degrading plastic products and the uses thereof. The processes of the invention particularly comprise a step of amorphizing a plastic product prior to a step of depolymerization. The processes of the invention are particularly useful for degrading a plastic product comprising polyethylene terephthalate and/or polylactic acid. The invention also relates to a method of producing monomers and/or oligomers from a plastic product comprising at least one polyester, particularly polyethylene terephthalate and/or polylactic acid, comprising submitting the plastic product both to an amorphization step and to a depolymerization step.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: September 8, 2020
    Assignee: CARBIOS
    Inventors: Marie-Laure Desrousseaux, Helene Texier, Sophie Duquesne, Alain Marty, Mediha Aloui Dalibey, Michel Chateau
  • Publication number: 20200277585
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved activity compared to the esterase of SEQ ID No 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 3, 2020
    Inventors: VINCENT TOURNIER, HÉLÈNE TEXIER, MARIE-LAURE DESROUSSEAUX, CHRISTOPHER TOPHAM, ISABELLE ANDRE, SOPHIE BARBE, SOPHIE DUQUESNE, ALAIN MARTY
  • Publication number: 20200270591
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved thermostability compared to the esterase of SEQ ID No 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Application
    Filed: March 9, 2020
    Publication date: August 27, 2020
    Inventors: CHRISTOPHER TOPHAM, HÉLÈNE TEXIER, VINCENT TOURNIER, MARIE-LAURE DESROUSSEAUX, SOPHIE DUQUESNE, ISABELLE ANDRE, SOPHIE BARBE, ALAIN MARTY
  • Patent number: 10717996
    Abstract: The present invention relates to a recombinant yeast cell comprising a gene encoding a protein exhibiting lactyl-CoA synthase activity and a gene encoding a protein exhibiting lactyl-CoA polymerase activity, said recombinant cell having the ability of producing polylactic acid (PLA), and the uses thereof.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: July 21, 2020
    Assignees: CARBIOS, INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, A'ALIMENTATION ET L'ENVIRONNEMENT, INSTITUT NATIONAL DES SCIENCES APPLIQUEES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Simon Dusseaux, Sophie Lajus, Vinciane Borsenberger, Jonathan Verbeke, Florence Bordes, Alain Marty, Jean-Marc Nicaud, Athanasios Beopoulos
  • Patent number: 10590401
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved activity compared to the esterase of SEQ ID NO: 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: March 17, 2020
    Assignee: CARBIOS
    Inventors: Vincent Tournier, Helene Texier, Marie-Laure Desrousseaux, Christopher Topham, Isabelle Andre, Sophie Barbe, Sophie Duquesne, Alain Marty
  • Patent number: 10584320
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved thermostability compared to the esterase of SEQ ID NO: 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: March 10, 2020
    Assignee: CARBIOS
    Inventors: Christopher Topham, Helene Texier, Vincent Tournier, Marie-Laure Desrousseaux, Sophie Duquesne, Isabelle Andre, Sophie Barbe, Alain Marty
  • Publication number: 20200017892
    Abstract: Embodiments of the present disclosure relate to mutant yeast strains, in particular mutant Yarrowia strains, capable of producing medium chain fatty acids compared to the parent oleaginous yeast strain from which said mutant oleaginous yeast strain derives. Embodiments of the present disclosure also relate to means and methods for obtaining these mutant yeast strains.
    Type: Application
    Filed: January 8, 2018
    Publication date: January 16, 2020
    Applicants: INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Florence Bordes, Coraline Rigouin, Alain Marty, Marc Gueroult, Isabelle Andre, Sophie Barbe, Benjamin Percheron, Christian Croux, Fayza Daboussi
  • Publication number: 20190345472
    Abstract: The present invention relates to novel proteases, more particularly to protease variants having improved activity compared to the protease of SEQ ID NO:1 and the uses thereof for degrading polyester containing material, such as plastic products. The proteases of the invention are particularly suited to degrade polylactic acid, and material containing polylactic acid.
    Type: Application
    Filed: December 15, 2017
    Publication date: November 14, 2019
    Inventors: ALAIN MARTY, SOPHIE DUQUESNE, MARIE GUICHERD, MARLENE VUILLEMIN, MAHER BEN KHALED
  • Patent number: 10415064
    Abstract: The present invention relates to a method for obtaining a mutant strain of oleaginous yeast which is useful as a template strain of yeast for obtaining other mutant strains of oleaginous yeast which are capable of producing an unusual fatty acid. The present invention also relates to the mutant strains of yeast obtained by said method.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: September 17, 2019
    Assignees: Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Institut National des Sciences Appliquees de Toulouse
    Inventors: Jean-Marc Nicaud, Alain Marty, Athanasios Beopoulos, Jonathan Verbeke, Florence Bordes, Marie Guicherd
  • Publication number: 20190233803
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved thermostability compared to the esterase of SEQ ID NO: 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Application
    Filed: July 12, 2017
    Publication date: August 1, 2019
    Inventors: Christopher TOPHAM, Helene TEXIER, Vincent TOURNIER, Marie-Laure DESROUSSEAUX, Sophie DUQUESNE, Isabelle ANDRE, Sophie BARBE, Alain MARTY
  • Publication number: 20190225954
    Abstract: The present invention relates to novel esterase, more particularly to esterase variants having improved activity compared to the esterase of SECS ID NO: 1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Application
    Filed: July 12, 2017
    Publication date: July 25, 2019
    Applicant: CARBIOS
    Inventors: VINCENT TOURNIER, HELENE TEXIER, MARIE-LAURE DESROUSSEAUX, CHRISTOPHER TOPHAM, ISABELLE ANDRE, SOPHIE BARBE, SOPHIE DUQUESNE, ALAIN MARTY
  • Publication number: 20190218360
    Abstract: The present invention relates to processes for degrading plastic products and the uses thereof. The processes of the invention particularly comprise a step of amorphizing a plastic product prior to a step of depolymerization. The processes of the invention are particularly useful for degrading a plastic product comprising polyethylene terephthalate and/or polylactic acid. The invention also relates to a method of producing monomers and/or oligomers from a plastic product comprising at least one polyester, particularly polyethylene terephthalate and/or polylactic acid, comprising submitting the plastic product both to an amorphization step and to a depolymerization step.
    Type: Application
    Filed: May 18, 2017
    Publication date: July 18, 2019
    Inventors: MARIE-LAURE DESROUSSEAUX, HELENE TEXIER, SOPHIE DUQUESNE, ALAIN MARTY, MEDIHA ALOUI DALIBEY, MICHEL CHATEAU
  • Patent number: 10287561
    Abstract: The present invention relates to a new isolated polypeptide comprising an amino acid sequence having at least 94%, 95%, 99% or 100% identity to the full length amino acid sequence set forth in SEQ ID NO: 1, and having a polyester degrading activity, and uses thereof.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: May 14, 2019
    Assignees: CARBIOS, INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, INSTITUE NATIONAL DES SCIENCES APPLIQUEES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Pablo Alvarez, Emilie Amillastre, Sophie Duquesne, Alain Marty
  • Publication number: 20190002933
    Abstract: The present invention relates to a recombinant yeast cell comprising a gene encoding a protein exhibiting lactyl-CoA synthase activity and a gene encoding a protein exhibiting lactyl-CoA polymerase activity, said recombinant cell having the ability of producing polylactic acid (PLA), and the uses thereof.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Inventors: SIMON DUSSEAUX, SOPHIE LAJUS, VINCIANE BORSENBERGER, JONATHAN VERBEKE, FLORENCE BORDES, ALAIN MARTY, JEAN-MARC NICAUD, ATHANASIOS BEOPOULOS
  • Publication number: 20180142097
    Abstract: The present invention relates to plastic composition comprising at least one polyester, biological entities having a polyester-degrading activity and at least an anti-acid filler, wherein the biological entities represent less than 11% by weight, based on the total weight of the plastic composition, and uses thereof for manufacturing biodegradable plastic articles.
    Type: Application
    Filed: June 10, 2016
    Publication date: May 24, 2018
    Inventors: ELODIE GUEMARD, MICHEL CHATEAU, ALAIN MARTY
  • Publication number: 20180044653
    Abstract: The invention relates to a method for obtaining a mutant oleaginous yeast strain capable of growing on cellobiose as carbon source, comprising overexpressing in said strain two ?-glucosidase enzymes further comprising a N-terminal signal peptide. The invention also relates to a mutant yeast strain obtained by said method.
    Type: Application
    Filed: April 22, 2016
    Publication date: February 15, 2018
    Inventors: Alain Marty, Zhongpeng Guo, Sophie Duquesne, Sophie Bozonnet, Jean-Marc Nicaud, Michael O'Donohue