Patents by Inventor Christopher Topham
Christopher Topham 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: 20230135014Abstract: 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: ApplicationFiled: August 15, 2022Publication date: May 4, 2023Inventors: CHRISTOPHER TOPHAM, HÉLÈNE TEXIER, VINCENT TOURNIER, MARIE-LAURE DESROUSSEAUX, SOPHIE DUQUESNE, ISABELLE ANDRE, SOPHIE BARBE, 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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Publication number: 20210261931Abstract: 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: ApplicationFiled: March 9, 2020Publication date: August 26, 2021Inventors: CHRISTOPHER TOPHAM, HÉLÈNE TEXIER, VINCENT TOURNIER, MARIE-LAURE DESROUSSEAUX, SOPHIE DUQUESNE, ISABELLE ANDRE, SOPHIE BARBE, 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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Publication number: 20200277585Abstract: 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: ApplicationFiled: March 16, 2020Publication date: September 3, 2020Inventors: VINCENT TOURNIER, HÉLÈNE TEXIER, MARIE-LAURE DESROUSSEAUX, CHRISTOPHER TOPHAM, ISABELLE ANDRE, SOPHIE BARBE, SOPHIE DUQUESNE, ALAIN MARTY
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Publication number: 20200270591Abstract: 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: ApplicationFiled: March 9, 2020Publication date: August 27, 2020Inventors: CHRISTOPHER TOPHAM, HÉLÈNE TEXIER, VINCENT TOURNIER, MARIE-LAURE DESROUSSEAUX, SOPHIE DUQUESNE, ISABELLE ANDRE, SOPHIE BARBE, ALAIN MARTY
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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: 20190233803Abstract: 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: ApplicationFiled: July 12, 2017Publication date: August 1, 2019Inventors: Christopher TOPHAM, Helene TEXIER, Vincent TOURNIER, Marie-Laure DESROUSSEAUX, Sophie DUQUESNE, Isabelle ANDRE, Sophie BARBE, Alain MARTY
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Publication number: 20190225954Abstract: 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: ApplicationFiled: July 12, 2017Publication date: July 25, 2019Applicant: CARBIOSInventors: VINCENT TOURNIER, HELENE TEXIER, MARIE-LAURE DESROUSSEAUX, CHRISTOPHER TOPHAM, ISABELLE ANDRE, SOPHIE BARBE, SOPHIE DUQUESNE, ALAIN MARTY
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Patent number: 10358663Abstract: A method of producing 2,4-dihydroxybutyric acid (2,4-DHB) by a synthetic pathway that includes transforming malate into 4-phospho-malate using a malate kinase, then transforming 4-phospho-malate into malate-4-semialdehyde using a malate semialdehyde dehydrogenase, and then transforming malate-4-semialdehyde into 2,4-DHB using a DHB dehydrogenase.Type: GrantFiled: November 18, 2015Date of Patent: July 23, 2019Assignee: ADISSEO FRANCE S.A.S.Inventors: Thomas Walther, Helene Cordier, Christopher Topham, Isabelle Andre, Magali Remaud-Simeon, Robert Huet, Jean-Marie Francois
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Publication number: 20160153013Abstract: A method of producing 2,4-dihydroxybutyric acid (2,4-DHB) by a synthetic pathway that includes transforming malate into 4-phospho-malate using a malate kinase, then transforming 4-phospho-malate into malate-4-semialdehyde using a malate semialdehyde dehydrogenase, and then transforming malate-4-semialdehyde into 2,4-DHB using a DHB dehydrogenase.Type: ApplicationFiled: November 18, 2015Publication date: June 2, 2016Inventors: Thomas WALTHER, Helene CORDIER, Christopher TOPHAM, Isabelle ANDRE, Magali REMAUD-SIMEON, Robert HUET, Jean-Marie FRANCOIS
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Patent number: 9238829Abstract: A method of producing 2,4-dihydroxybutyric acid (2,4-DHB) by a synthetic pathway that includes the transforming malate in 4-phospho-malate using a malate kinase, said 4-phospho-malate being transformed in malate-4-semialdehyde using a malate semialdehyde dehydrogenase and said malate-4-semialdehyde being transformed in 2,4-DHB using a DHB dehydrogenase.Type: GrantFiled: October 27, 2011Date of Patent: January 19, 2016Assignee: ADISSEO FRANCE S.A.S.Inventors: Thomas Walther, Helene Cordier, Christopher Topham, Isabelle Andre, Magali Remaud-Simeon, Robert Huet, Jean-Marie Francois
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Publication number: 20130273623Abstract: The present invention deals with a method of producing 2,4-dihydroxybutyric acid (2,4-DHB) by a synthetic pathway comprising the transformation of malate in 4-phospho-malate using a malate kinase, said 4-phospho-malate being transformed in malate-4-semialdehyde using a malate semialdehyde dehydrogenase and said malate-4-semialdehyde being transformed in 2,4-DHB using a DHB dehydrogenase.Type: ApplicationFiled: October 27, 2011Publication date: October 17, 2013Applicant: ADISSEO FRANCE S.A.S.Inventors: Thomas Walther, Hélène Cordier, Christopher Topham, Isabelle Andre, Magali Remaud-Simeon, Robert Huet, Jean-Marie Francois