Patents by Inventor Katherine Elizabeth Parker

Katherine Elizabeth Parker 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).

  • Composition for use in personal care comprising organic acid salts of polymeric biguanidines
    Patent number: 6509022
    Abstract: Cosmetic composition for use in personal care applications comprising a carrier and a polymeric biguanide, characterised in that the polymeric biguanide is in the form of its salt with an organic acid containing from 4 to 30 carbon atoms.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: January 21, 2003
    Assignee: Helene Curtis, Inc.
    Inventors: Michael Richard Lowry, Katherine Elizabeth Parker
  • COMPOSITION FOR USE IN PERSONAL CARE
    Publication number: 20010006647
    Abstract: Cosmetic composition for use in personal care applications comprising a carrier and a polymeric biguanide, characterised in that the polymeric biguanide is in the form of its salt with an organic acid containing from 4 to 30 carbon atoms.
    Type: Application
    Filed: June 9, 1998
    Publication date: July 5, 2001
    Inventors: MICHAEL RICHARD LOWRY, KATHERINE ELIZABETH PARKER