Patents by Inventor John Michael Locke

John Michael Locke 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).

  • Thermosplastic elastomeric materials
    Patent number: 3935176
    Abstract: A thermoplastic elastomeric material comprising a hydrogenated copolymer of a conjugated diene characterised in that the copolymer before hydrogenation is a random copolymer of 70 to 99 mole % of at least one conjugated diene and 30 to 1 mole % of at least one vinyl aromatic compound, is of number average molecular weight of at least 100,000, and has a vinyl content of at most 40 mole % based on total monomers, and in that the copolymer is hydrogenated to an extent such that the mole percentage saturation is in the range 40 to 90%.
    Type: Grant
    Filed: September 8, 1971
    Date of Patent: January 27, 1976
    Assignee: The International Synthetic Rubber Co., Ltd.
    Inventors: John Richard Hawkins, John Michael Locke