Patents by Inventor Kay Lesley Powers

Kay Lesley Powers 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).

  • Patent number: 5821237
    Abstract: The subject invention relates to compositions which are useful for improving the visual appearance of skin, especially facial skin. The composition contains certain primary actives including at least one cyclic polyanionic polyols at least one sulfhydryl compound and at least one zwitterionic surfactant. The subject invention further relates to methods of improving the visual appearance of skin.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: October 13, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Donald Lynn Bissett, Gerald Bruce Kasting, Kay Lesley Powers