Patents by Inventor John X. Fritz

John X. Fritz 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).

  • Bonding polyurethanes to polyolefins
    Patent number: 4612249
    Abstract: A process of bonding a coating of a polyurethane resin to a polyolefin substrate is provided. The polyolefin substrate is coated with a graft copolymer of a polyolefin and a functional monomer such as acrylic acid. The graft copolymer is flame treated to fuse it. A liquid polyurethane precursor composition is then applied thereto and cured.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: September 16, 1986
    Assignee: RCA Corporation
    Inventors: Marvin Packer, John X. Fritz