Patents by Inventor David J. Bartkovitz

David J. Bartkovitz 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).

  • Crosslinkable poly(oxyalkylene) graft copolymers
    Patent number: 4394493
    Abstract: Crosslinkable graft copolymers of poly(oxyalkylene) are provided which comprise from about 1 percent by weight of a substituted N-methylol derivative of acrylamide grafted onto a poly(oxyalkylene)-polymer.
    Type: Grant
    Filed: September 30, 1981
    Date of Patent: July 19, 1983
    Assignee: Union Carbide Corporation
    Inventors: David J. Bartkovitz, George H. Greene