Patents by Inventor Pascal Saint-Louis-Augustin

Pascal Saint-Louis-Augustin 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).

  • METHOD FOR PREPARING POLYTHIOLS
    Publication number: 20200010412
    Abstract: Provided is a process for preparing polythiols by preparing a sulfhydration reaction medium, simultaneously carrying out radical sulfhydration reaction of at least one polyene and acid-catalyzed sulfhydration reaction of the polyene and recovering a mixture including at least two polythiols. Also provided is a mixture of polythiols obtained from the process described herein.
    Type: Application
    Filed: February 6, 2018
    Publication date: January 9, 2020
    Applicant: Arkema France
    Inventors: Pascal Saint-Louis-Augustin, Georges Fremy, Bernard Monguillon, Louis Corbel
  • SULFUR-CONTAINING PHENOL DERIVATIVES
    Publication number: 20170008840
    Abstract: The present invention relates to a novel process for preparing sulfur-containing phenolic compounds, and to novel phenol derivatives substituted with at least one radical comprising a sulfur atom. Said sulfur-containing phenolic compounds are of use in numerous industrial fields, particularly the chemical industry, and said compounds are particularly suitable as, for example, antioxidant agents, UV stabilizers, heat stabilizers, and for other uses.
    Type: Application
    Filed: February 17, 2015
    Publication date: January 12, 2017
    Applicant: Arkema France
    Inventors: Pascal SAINT-LOUIS-AUGUSTIN, Jean-Benoit CAZAUX
  • PHENOLIC POLYSULPHIDES HAVING AN IMPROVED ODOUR
    Publication number: 20160130419
    Abstract: The present invention concerns a composition comprising at least 50% by weight of at least one poly(phenyl sulfide) and from a few ppm to 2% by weight relative to the total volume of the composition of at least one odour-masking agent comprising at least one compound chosen from alcohols, esters, aldehydes and ketones. The invention also concerns the use of an odour-masking agent for masking the odour of a poly(phenyl sulfide), in addition to the products obtained by using the poly(phenyl sulfide) composition having a masked odour.
    Type: Application
    Filed: June 27, 2014
    Publication date: May 12, 2016
    Applicant: Arkema France
    Inventor: Pascal Saint-Louis-Augustin
  • Use of mercapto-methyl esters as chain transfer agents
    Patent number: 9126919
    Abstract: Disclosed herein is a chain transfer agent in a free-radical emulsion polymerization process, of at least one mercapto-methyl ester, and also relates to the free-radical emulsion (co)polymerization process comprising at least one such mercapto-methyl ester and uses thereof. Also disclosed herein are mercapto-methyl diesters.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: September 8, 2015
    Assignee: ARKEMA FRANCE
    Inventors: Jean-Benoit Cazaux, Pascal Saint-Louis-Augustin, Georges Fremy
  • Use of Mercapto-Methyl Esters as Chain Transfer Agents
    Publication number: 20140235807
    Abstract: Disclosed herein is a chain transfer agent in a free-radical emulsion polymerization process, of at least one mercapto-methyl ester, and also relates to the free-radical emulsion (co)polymerization process comprising at least one such mercapto-methyl ester and uses thereof. Also disclosed herein are mercapto-methyl diesters.
    Type: Application
    Filed: February 13, 2014
    Publication date: August 21, 2014
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Benoit Cazaux, Pascal Saint-Louis-Augustin, Georges Fremy