Patents by Inventor Harry R. Grossman

Harry R. Grossman 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).

  • Asbestos-free compression molding compositions for thermal and electrical insulators
    Patent number: 4259196
    Abstract: Asbestos-free compression molding compositions suitable for thermal and electrical insulator products are disclosed. The compositions comprise mixtures of calcium magnesium ferro silicate particulate material in predominating amount, in combination with phosphoric acid. When combined into intimate admixture and molded in a heated die press, the compositions cure as a hard, strong, dense product having good heat and electrical resistance properties.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: March 31, 1981
    Assignee: Meriden Molded Plastics, Inc.
    Inventor: Harry R. Grossman