Patents by Inventor Stanton L. Boyer

Stanton L. Boyer 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 laundry detergents with citric acid, cellulase, and boricdiol complex to inhibit proteolytic enzyme
    Patent number: 5476608
    Abstract: Liquid laundry detergent compositions containing anionic or nonionic surfactant, citric acid or a water-soluble salt thereof, proteolytic enzyme, cellulase, and a mixture of 1,2 propane diol and boric acid or its derivative. The compositions are prepared by adding the diol and boric acid before adding the citric acid/salt to the composition. This order of addition improves the stability of the cellulase.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: December 19, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Stanton L. Boyer, Timothy J. Farwick
  • Alkaline aqueous liquid detergent compositions containing normally unstable ester perfumes
    Patent number: 4440663
    Abstract: Alkaline aqueous liquid detergent compositions comprising zeolite A, a nonionic surfactant, a polycarboxylate detergency builder and an unsaturated soap which are substantially free of synthetic anionic surfactants that can contain normally unstable ester perfumes without a stability problem.
    Type: Grant
    Filed: October 8, 1982
    Date of Patent: April 3, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Stanton L. Boyer, Charles A. Schulz
  • Detergent compositions containing an aluminosilicate detergency builder and an unsaturated fatty acid soap
    Patent number: 4265777
    Abstract: Detergent compositions comprising water-insoluble aluminosilicate detergency builder; a synthetic detergent surfactant; and an unsaturated, water-soluble or dispersible soap of an unsaturated fatty acid containing from about 16 to about 22 carbon atoms. The soap improves the detergency, especially of particulate and body soils.
    Type: Grant
    Filed: April 17, 1980
    Date of Patent: May 5, 1981
    Assignee: The Procter & Gamble Company
    Inventors: Stanton L. Boyer, Denzel A. Nicholson