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).
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Patent number: 12344714Abstract: 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: GrantFiled: July 10, 2020Date of Patent: July 1, 2025Assignee: CARBIOSInventors: Alain Marty, Vincent Tournier
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Patent number: 12098398Abstract: 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: GrantFiled: August 15, 2022Date of Patent: September 24, 2024Assignee: CARBIOSInventors: Christopher Topham, Hélène Texier, Vincent Tournier, Marie-Laure Desrousseaux, Sophie Duquesne, Isabelle Andre, Sophie Barbe, Alain Marty
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Patent number: 11926851Abstract: 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: GrantFiled: December 22, 2022Date of Patent: March 12, 2024Assignee: CARBIOSInventors: Benoît David, Isabelle Andre, Maher Ben Khaled, Sophie Duquesne, Alain Marty
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Patent number: 11851689Abstract: 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: GrantFiled: July 26, 2019Date of Patent: December 26, 2023Assignee: CARBIOSInventors: Sophie Duquesne, Vincent Tournier, Alain Marty
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Patent number: 11549105Abstract: 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: GrantFiled: December 21, 2018Date of Patent: January 10, 2023Assignee: CARBIOSInventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marc Gueroult, Isabelle Andre
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Patent number: 11535832Abstract: 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: GrantFiled: July 26, 2019Date of Patent: December 27, 2022Assignee: CARBIOSInventors: Benoît David, Isabelle Andre, Maher Ben Khaled, Sophie Duquesne, Alain Marty
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Patent number: 11414651Abstract: 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: GrantFiled: March 9, 2020Date of Patent: August 16, 2022Assignee: CARBIOSInventors: Christopher Topham, Hélène Texier, Vincent Tournier, Marie-Laure Desrousseaux, Sophie Duquesne, Isabelle Andre, Sophie Barbe, Alain Marty
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Patent number: 11377533Abstract: 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: GrantFiled: September 1, 2020Date of Patent: July 5, 2022Assignee: CARBIOSInventors: Marie-Laure Desrousseaux, Helene Texier, Sophie Duquesne, Alain Marty, Mediha Aloui Dalibey, Michel Chateau
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Patent number: 11345906Abstract: 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: GrantFiled: September 30, 2020Date of Patent: May 31, 2022Assignee: CARBIOSInventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marlene Vuillemin, Maher Ben Khaled
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Patent number: 11198767Abstract: 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: GrantFiled: June 10, 2016Date of Patent: December 14, 2021Assignee: CARBIOSInventors: Elodie Guemard, Michel Chateau, Alain Marty
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Patent number: 11072784Abstract: 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: GrantFiled: March 16, 2020Date of Patent: July 27, 2021Assignee: CARBIOSInventors: Vincent Tournier, Hélène Texier, Marie-Laure Desrousseaux, Christopher Topham, Isabelle Andre, Sophie Barbe, Sophie Duquesne, Alain Marty
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Patent number: 10829754Abstract: 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: GrantFiled: December 15, 2017Date of Patent: November 10, 2020Assignee: CARBIOSInventors: Alain Marty, Sophie Duquesne, Marie Guicherd, Marlene Vuillemin, Maher Ben Khaled
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Patent number: 10767026Abstract: 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: GrantFiled: May 18, 2017Date of Patent: September 8, 2020Assignee: CARBIOSInventors: Marie-Laure Desrousseaux, Helene Texier, Sophie Duquesne, Alain Marty, Mediha Aloui Dalibey, Michel Chateau
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Patent number: 10717996Abstract: 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: GrantFiled: December 15, 2016Date of Patent: July 21, 2020Assignees: CARBIOS, INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, A'ALIMENTATION ET L'ENVIRONNEMENT, INSTITUT NATIONAL DES SCIENCES APPLIQUEES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Simon Dusseaux, Sophie Lajus, Vinciane Borsenberger, Jonathan Verbeke, Florence Bordes, Alain Marty, Jean-Marc Nicaud, Athanasios Beopoulos
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Patent number: 10590401Abstract: 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: GrantFiled: July 12, 2017Date of Patent: March 17, 2020Assignee: CARBIOSInventors: Vincent Tournier, Helene Texier, Marie-Laure Desrousseaux, Christopher Topham, Isabelle Andre, Sophie Barbe, Sophie Duquesne, Alain Marty
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Patent number: 10584320Abstract: 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: GrantFiled: July 12, 2017Date of Patent: March 10, 2020Assignee: CARBIOSInventors: Christopher Topham, Helene Texier, Vincent Tournier, Marie-Laure Desrousseaux, Sophie Duquesne, Isabelle Andre, Sophie Barbe, Alain Marty
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Publication number: 20200017892Abstract: 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: ApplicationFiled: January 8, 2018Publication date: January 16, 2020Applicants: INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Florence Bordes, Coraline Rigouin, Alain Marty, Marc Gueroult, Isabelle Andre, Sophie Barbe, Benjamin Percheron, Christian Croux, Fayza Daboussi
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Patent number: 10415064Abstract: 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: GrantFiled: April 30, 2014Date of Patent: September 17, 2019Assignees: Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Institut National des Sciences Appliquees de ToulouseInventors: Jean-Marc Nicaud, Alain Marty, Athanasios Beopoulos, Jonathan Verbeke, Florence Bordes, Marie Guicherd
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Patent number: 10287561Abstract: 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: GrantFiled: October 20, 2015Date of Patent: May 14, 2019Assignees: CARBIOS, INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, INSTITUE NATIONAL DES SCIENCES APPLIQUEES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Pablo Alvarez, Emilie Amillastre, Sophie Duquesne, Alain Marty
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Publication number: 20180044653Abstract: 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: ApplicationFiled: April 22, 2016Publication date: February 15, 2018Inventors: Alain Marty, Zhongpeng Guo, Sophie Duquesne, Sophie Bozonnet, Jean-Marc Nicaud, Michael O'Donohue