Patents by Inventor Thomas J. Hoogebroom

Thomas J. Hoogebroom 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).

  • Flame retardant polycarbonate composition
    Patent number: 4115354
    Abstract: A flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and a flame retardant additive which may be the metal salts of either monomeric or polymeric aromatic sulfonic acids, or mixtures thereof.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: September 19, 1978
    Assignee: General Electric Company
    Inventors: Victor Mark, Thomas J. Hoogebroom