Patents by Inventor Henri Georges Ghislain Wautier

Henri Georges Ghislain Wautier 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).

  • Process for the manufacture of a cyclic diester of an alpha-hydroxyacid
    Patent number: 8981124
    Abstract: Process for the manufacture of a cyclic diester of an alpha-hydroxyacid comprising heating the alpha-hydroxyacid at a temperature from 100 to 250° C. in the presence of at least one polyol and of at least one catalyst selected from the group consisting carboxylates and alkoxides of Ti, Zr, Al and Sn.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: March 17, 2015
    Assignee: Solvay SA
    Inventors: Henri Georges Ghislain Wautier, Dominique Francois Achille Marchand
  • Process for the manufacture of a cyclic diester of an alpha-hydroxyacid
    Publication number: 20130116448
    Abstract: Process for the manufacture of a cyclic diester of an alpha-hydroxyacid comprising heating the alpha-hydroxyacid at a temperature from 100 to 250° C. in the presence of at least one polyol and of at least one catalyst selected from the group consisting carboxylates and alkoxides of Ti, Zr, Al and Sn.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 9, 2013
    Applicant: SOLVAY SA
    Inventors: Henri Georges Ghislain Wautier, Dominique Francois Achille Marchand