Patents by Inventor Charles W. Bulkley

Charles W. Bulkley 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).

  • Polymeric blend
    Patent number: 4233409
    Abstract: The present invention relates to a polymeric blend comprising first and second ABS polyblends, a grafted diene rubber terpolymer grafted with alkenyl aromatic and alkyl alkacrylate monomers, a block copolymer of conjugated diene and alkenyl aromatic monomers and a matrix copolymer of alkenyl aromatic and alkenyl nitrile monomers, said polymeric blend being ductile and tough at low temperatures.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: November 11, 1980
    Assignee: Monsanto Company
    Inventor: Charles W. Bulkley