Patents Assigned to CARBIOS
  • Patent number: 11926851
    Abstract: The present invention relates to esterases, more particularly to esterase variants having improved activity and/or 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: December 22, 2022
    Date of Patent: March 12, 2024
    Assignee: CARBIOS
    Inventors: Benoît David, Isabelle Andre, Maher Ben Khaled, Sophie Duquesne, Alain Marty
  • Patent number: 11851689
    Abstract: The present invention relates to novel esterases, more particularly to esterase variants having improved activity and/or 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 26, 2019
    Date of Patent: December 26, 2023
    Assignee: CARBIOS
    Inventors: Sophie Duquesne, Vincent Tournier, Alain Marty
  • Patent number: 11802185
    Abstract: The present invention relates to a masterbatch composition comprising high concentration of biological entities having a polymer-degrading activity and uses thereof for manufacturing biodegradable plastic articles.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: October 31, 2023
    Assignee: CARBIOS
    Inventors: Michel Chateau, Jean-Philippe Rousselle
  • Patent number: 11692181
    Abstract: The present invention relates to novel esterases, more particularly to esterase variants having improved activity and/or 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 26, 2019
    Date of Patent: July 4, 2023
    Assignee: CARBIOS
    Inventors: Isabelle Andre, Vincent Tournier, Alexandre Gilles, Sophie Duquesne
  • Patent number: 11549105
    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 21, 2018
    Date of Patent: January 10, 2023
    Assignee: CARBIOS
    Inventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marc Gueroult, Isabelle Andre
  • Patent number: 11535832
    Abstract: The present invention relates to esterases, more particularly to esterase variants having improved activity and/or improved themostability 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 26, 2019
    Date of Patent: December 27, 2022
    Assignee: CARBIOS
    Inventors: Benoît David, Isabelle Andre, Maher Ben Khaled, Sophie Duquesne, Alain Marty
  • Patent number: 11414651
    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: March 9, 2020
    Date of Patent: August 16, 2022
    Assignee: CARBIOS
    Inventors: Christopher Topham, Hélène Texier, Vincent Tournier, Marie-Laure Desrousseaux, Sophie Duquesne, Isabelle Andre, Sophie Barbe, Alain Marty
  • Patent number: 11384218
    Abstract: The present invention relates to a new liquid composition comprising biological entities having a polymer-degrading activity, a carrier and a solvent that may be advantageously used for the manufacture of a biodegradable plastic product.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: July 12, 2022
    Assignee: CARBIOS
    Inventors: Elodie Guemard, Mediha Dalibey
  • Patent number: 11377533
    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: September 1, 2020
    Date of Patent: July 5, 2022
    Assignee: CARBIOS
    Inventors: Marie-Laure Desrousseaux, Helene Texier, Sophie Duquesne, Alain Marty, Mediha Aloui Dalibey, Michel Chateau
  • Patent number: 11345906
    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: Grant
    Filed: September 30, 2020
    Date of Patent: May 31, 2022
    Assignee: CARBIOS
    Inventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marlene Vuillemin, Maher Ben Khaled
  • Patent number: 11198767
    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: Grant
    Filed: June 10, 2016
    Date of Patent: December 14, 2021
    Assignee: CARBIOS
    Inventors: Elodie Guemard, Michel Chateau, Alain Marty
  • Patent number: 11072784
    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: March 16, 2020
    Date of Patent: July 27, 2021
    Assignee: CARBIOS
    Inventors: Vincent Tournier, Hélène Texier, Marie-Laure Desrousseaux, Christopher Topham, Isabelle Andre, Sophie Barbe, Sophie Duquesne, Alain Marty
  • 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
  • Patent number: 10723848
    Abstract: The present invention relates to a masterbatch composition comprising high concentration of biological entities having a polymer-degrading activity and uses thereof for manufacturing biodegradable plastic articles.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: July 28, 2020
    Assignee: CARBIOS
    Inventors: Michel Chateau, Jean-Philippe Rousselle
  • 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: 10626242
    Abstract: The invention relates to a plastic compound comprising at least one polyolefin and a biological entity that degrades said polyolefin. The invention further relates to a process for preparing a plastic article wherein at least one polyolefin and one biological entity that degrades said polyolefin are mixed at a temperature at which the polyolefin is in a partially or totally molten state.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 21, 2020
    Assignees: CARBIOS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE POITIERS
    Inventors: Thierry Ferreira, Frederique Guillamot, Steven Colas
  • 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
  • Patent number: 10508269
    Abstract: The present invention relates to a new isolated polypeptide comprising an amino acid sequence having at least 75%, 80%, 85%, 90%, 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: March 11, 2016
    Date of Patent: December 17, 2019
    Assignees: CARBIOS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE POITIERS
    Inventors: Luen-Luen Li, Thierry Ferreira, Willy Aucher, Steven Colas, Linette Lionelle Kadri