Patents by Inventor Jacques Brochet

Jacques Brochet 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 of making lactone-epoxide copolymer polyols
    Patent number: 4291155
    Abstract: The invention concerns a method for the manufacture of polyols, principally utilizable in the synthesis of polyurethanes, which are ester/ether copolymers with hydroxylated terminal groups obtained by the direct copolymerization of a lactone and a vicinal epoxide in the presence of a chain initiator possessing at least two labile hydrogen atoms per mole and of an alkaline catalyst.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: September 22, 1981
    Assignee: Chimiques Ugine Kuhlmann
    Inventor: Jacques Brochet