Patents by Inventor Raymond N. French

Raymond N. French 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).

  • Patent number: 5369180
    Abstract: Improved compositions comprise miscible polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/acrylonitrile copolymer rich in acrylonitrile.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: November 29, 1994
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French
  • Patent number: 5258462
    Abstract: A miscible polymer blend composition may be formed by combining a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/vinyl phenol copolymer containing at least about 20 mole percent vinyl phenol units.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 2, 1993
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French
  • Patent number: 5079301
    Abstract: A molecularly miscible polymer blend of polyvinyl phenol and polyacetal exhibits useful properties.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: January 7, 1992
    Assignee: Shell Oil Company
    Inventors: Joseph M. Machado, Raymond N. French