Patents by Inventor Harold O. Locke

Harold O. 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).

  • Insoluble vinyl lactam clarifiers
    Patent number: 4792400
    Abstract: The invention relates to a highly filterable, water insoluble vinyl lactam polymer and to a process for improving filterability of such polymer which comprises irradiation with a source of radiant energy at a dosage sufficient to effect additional cross-linking and or saturation of the polymer.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: December 20, 1988
    Assignee: GAF Corporation
    Inventors: James Dougherty, Harold O. Locke, Fulvio J. Vara, Robert B. Login, Terry E. Smith