Patents by Inventor Jean-Pierre Soufflet

Jean-Pierre Soufflet 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).

  • Catalytic composition and its use for polymerizing cycloolefins
    Patent number: 4005047
    Abstract: New catalytic composition of improved activity in the process of polymerizing cycloolefins, comprising a carbonyl compound or a carbonyl-metal-carbenic compound of molybdenum or tungsten and titanium tetrachloride, said composition being preferably subjected to an irradiation with rays of a wave length from 180 to 700 nanometers during or before use.
    Type: Grant
    Filed: February 4, 1975
    Date of Patent: January 25, 1977
    Assignee: Institut Francais du Petrole
    Inventors: Yves Chauvin, Dominique Commereuc, Daniel Cruypelinck, Jean-Pierre Soufflet