Patents by Inventor Denzel A. Nicholson

Denzel A. Nicholson 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).

  • Foaming surfactant compositions
    Patent number: 4536317
    Abstract: An agglomerated light-duty detergent granule composition containing an alkylpolysaccharide surfactant, an alkylbenzene sulfonate cosurfactant, an alkylpolyethoxylate sulfate cosurfactant and a water soluble inorganic salt.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: August 20, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Ramon A. Llenado, Mark H. K. Mao, Denzel A. Nicholson
  • Detergent compositions comprising polyglycoside and polyethoxylate surfactants and anionic fluorescer
    Patent number: 4483779
    Abstract: Detergent surfactant combinations comprising alkylpolyglycoside detergent surfactants and nonionic detergent surfactants provide good detergency and are compatible with anionic optical brighteners, both in built and unbuilt detergent compositions.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: November 20, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Ramon A. Llenado, Denzel A. Nicholson
  • 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