Patents by Inventor John Pennington Lawrence

John Pennington Lawrence 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).

  • Silica reinforced rubber composition and tire with tread
    Patent number: 5719207
    Abstract: The present invention relates to a silica reinforced rubber composition and to pneumatic tires having treads comprised of the silica reinforced rubber compositions.The silica reinforced rubber composition comprises at least one elastomer, silica, a silica coupler, a silylating agent and, optionally, carbon black.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: February 17, 1998
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Martin Paul Cohen, John Pennington Lawrence, Cheryl Ann Losey
  • Antimicrobial dihalonitromethylisoxazoles
    Patent number: 3935219
    Abstract: Dihalonitromethylisoxazoles have been prepared from the corresponding nitronate salts. The compounds are useful as broad spectrum antibacterials, antifungals, antiprotozoals and aquatic biocides.
    Type: Grant
    Filed: October 25, 1973
    Date of Patent: January 27, 1976
    Assignee: Purdue Research Laboratory
    Inventors: Henry Feuer, John Pennington Lawrence