Patents by Inventor Arnaud MASSELIN

Arnaud MASSELIN 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).

  • FUNCTIONALISED POLSULPHIDE SYNTHESIS METHOD
    Publication number: 20230159967
    Abstract: Provided is process for the synthesis of at least one functionalized organic polysulfide.
    Type: Application
    Filed: January 24, 2023
    Publication date: May 25, 2023
    Applicant: Arkema France
    Inventors: Georges Frémy, Arnaud Masselin
  • Functionalised cyclic dithiocarbamate synthesis method
    Patent number: 11643673
    Abstract: Provided is a process for synthesizing a functionalized cyclic dithiocarbamate.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 9, 2023
    Assignee: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • Functionalised polysulphide synthesis method
    Patent number: 11578345
    Abstract: Provided is process for the synthesis of at least one functionalized organic polysulfide.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 14, 2023
    Assignee: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • METHOD FOR PRODUCING MERCAPTANS BY DISULFIDE ENZYME HYDROGENOLYSIS
    Publication number: 20220372530
    Abstract: Provided is an enzymatic process for preparing mercaptans from disulfides.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 24, 2022
    Applicant: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • Method for producing mercaptans by disulfide enzyme hydrogenolysis
    Patent number: 11434513
    Abstract: Provided is an enzymatic process for preparing mercaptans from disulfides.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: September 6, 2022
    Assignee: ARKEMA FRANCE
    Inventors: Georges Fremy, Arnaud Masselin
  • FUNCTIONALISED CYCLIC DITHIOCARBAMATE SYNTHESIS METHOD
    Publication number: 20200149080
    Abstract: Provided is a process for synthesizing a functionalized cyclic dithiocarbamate.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 14, 2020
    Applicant: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • Method for producing mercaptans by hydrogen-assisted disulfide enzyme hydrogenolysis
    Patent number: 10648007
    Abstract: Provided is an enzymatic process for the preparation of a mercaptan of formula R—SH from disulfides utilizing hydrogen.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: May 12, 2020
    Assignee: ARKEMA FRANCE
    Inventors: Georges Fremy, Arnaud Masselin, Hugo Brasselet
  • Method for producing L-methionine
    Patent number: 10563235
    Abstract: Provided is a process for the preparation of L-methionine in an enzymatic reaction utilizing dimethyl disulfide (DMDS) a precursor of L-methionine, and an organic reducing compound. In the process, methyl mercaptan can be formed by the enzymatic hydrogenolysis of the DMDS.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: February 18, 2020
    Assignee: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • Method for producing L-methionine
    Patent number: 10563236
    Abstract: Provided is an enzymatic process for preparing L-methionine from diethyl disulfide.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: February 18, 2020
    Assignee: Akema France
    Inventors: Georges Fremy, Arnaud Masselin, Hugo Brasselet
  • FUNCTIONALISED POLYSULPHIDE SYNTHESIS METHOD
    Publication number: 20190338325
    Abstract: Provided is process for the synthesis of at least one functionalized organic polysulfide.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 7, 2019
    Applicant: Arkema France
    Inventors: Georges Fremy, Arnaud Masselin
  • METHOD FOR PRODUCING MERCAPTANS BY DISULFIDE ENZYME HYDROGENOLYSIS
    Publication number: 20190055586
    Abstract: Provided is an enzymatic process for preparing mercaptans from disulfides.
    Type: Application
    Filed: September 29, 2016
    Publication date: February 21, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Georges FREMY, Arnaud MASSELIN
  • METHOD FOR PRODUCING L-METHIONINE
    Publication number: 20180291408
    Abstract: Provided is a process for the preparation of L-methionine in an enzymatic reaction utilizing dimethyl disulfide (DMDS) a precursor of L-methionine, and an organic reducing compound. In the process, methyl mercaptan can be formed by the enzymatic hydrogenolysis of the DMDS.
    Type: Application
    Filed: September 29, 2016
    Publication date: October 11, 2018
    Applicant: Arkema France
    Inventors: Georges FREMY, Arnaud MASSELIN
  • METHOD FOR PRODUCING L-METHIONINE
    Publication number: 20180282772
    Abstract: Provided is an enzymatic process for preparing L-methionine from diethyl disulfide.
    Type: Application
    Filed: September 29, 2016
    Publication date: October 4, 2018
    Applicant: Arkema France
    Inventors: Georges FREMY, Arnaud MASSELIN, Hugo BRASSELET
  • METHOD FOR PRODUCING MERCAPTANS BY HYDROGEN-ASSISTED DISULFIDE ENZYME HYDROGENOLYSIS
    Publication number: 20180273991
    Abstract: Provided is an enzymatic process for the preparation of a mercaptan of formula R—SH from disulfides utilizing hydrogen.
    Type: Application
    Filed: September 29, 2016
    Publication date: September 27, 2018
    Applicant: Arkema France
    Inventors: Georges FREMY, Arnaud MASSELIN, Hugo BRASSELET