Patents by Inventor Stanley M. Barkin

Stanley M. Barkin 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).

  • Soil-release finish
    Patent number: 3993830
    Abstract: A composition for applying a non-permanent soil-release finish to fabrics from dilute solution comprising a polycarboxylate polymer having an acid equivalent weight of from about 110 to 175, and a water-soluble salt of a polyvalent metal. A preferred polymer is derived from an ethylenically unsaturated monocarboxylic acid and an alkyl acrylate. The composition is particularly useful for applying a soil-release finish in the rinse cycle of a home laundry process.
    Type: Grant
    Filed: October 23, 1973
    Date of Patent: November 23, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: Robert E. Dickson, Stanley M. Barkin