Patents by Inventor Philippe De Rop

Philippe De Rop 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).

  • Propylene polymers and process for the production thereof
    Patent number: 5756587
    Abstract: Propylene block copolymer containing per:100 parts by weight of a polymer (a) of propylene chosen from homopolymers and copolymers of propylene not containing more than 6% by weight of ethylene and/or of an alpha-olefin having from 4 to 6 carbon atoms,from 1 to 100 parts by weight of a polymer (b) of ethylene chosen from homopolymers and copolymers of ethylene not containing more than 90% by weight of propylene and/or of another alpha-olefin having from 4 to 6 carbon atoms,the said block copolymer additionally containing from approximately 0.001 to approximately 20% by weight of .alpha.,.omega.-diene-derived monomer units with respect to the total weight of the block copolymer.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: May 26, 1998
    Assignee: Solvay Polyolefins Europe -- Belgium (Societe Anonyme
    Inventors: Serge Bettonville, Philippe De Rop, Claude Franquinet