Patents by Inventor Frederick P. Clark

Frederick P. Clark 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).

  • Liquid abrasive detergent composition and method for preparing same
    Patent number: 4129527
    Abstract: A pourable detergent composition is provided, with an abrasive material suspended therein. The suspension remains stable over long periods of time. The composition includes a finely divided water-insoluble abrasive material, and a suspension medium comprising water, an amine oxide surfactant, a multiple ionic-oxygen containing salt, and a salt of an alkylaryl sulfonate, all admixed in the water to achieve stable suspension of the abrasive material. All the ingredients are mixed in a particular sequence to achieve uniformity in suspension ability.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: December 12, 1978
    Assignee: The Clorox Company
    Inventors: Frederick P. Clark, Robert C. Johnson, John Topolewski