Patents by Inventor Stuart K. Pratley

Stuart K. Pratley 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).

  • Glycosaminoglycanase inhibitor andethane diol composition for maintenance of hair growth
    Patent number: 5300284
    Abstract: A composition for topical application to mammalian skin or hair is provided which comprises:i) an effective amount of from 0.5 to 50% by weight of a glycosaminoglycanase inhibitor chosen from specific monosaccharide derivativesii) from 0.5 to 50% by weight of ethane diol; andiii) up to 99% by weight of a cosmetically acceptable vehicle for the glycosaminoglycanase inhibitor.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: April 5, 1994
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: Johann W. Wiechers, Michael R. Lowry, John Wollers, Stuart K. Pratley
  • Liquid fabric-softening composition
    Patent number: 4326965
    Abstract: Concentrated, liquid fabric-softening compositions containing 15-60% of a cationic fabric-softening agent, and an aqueous medium, are prepared by inclusion therein of an effective amount of polymer, such as polyethyleneglycol with a molecular weight of 6,000. These compositions are water-dispersible and pourable, and can be easily dosed into the rinse cycle of a washing process, e.g. by means of automatic dosing devices in the washing machine.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: April 27, 1982
    Assignee: Levers Brothers Company
    Inventors: Alexander Lips, Stuart K. Pratley
  • Soil-release compositions
    Patent number: 4214997
    Abstract: A soil-release composition for the treatment of textile fabrics comprises a complex of a nonionic detergent and a polycarboxylate polymer, together with an organic quaternary ammonium surfactant compound in a concentrated aqueous solution with an acid pH.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: July 29, 1980
    Assignee: Lever Brothers Company
    Inventors: Ronald M. Morris, Stuart K. Pratley