Patents by Inventor Richard R. Wickett

Richard R. Wickett 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).

  • Penetrating topical pharmaceutical compositions
    Patent number: 4954487
    Abstract: A large group of lipophilic, pharmacologically active compounds can be effectively delivered across intact skin by applying them topically in a binary, penetration-enhancing vehicle containing (1) a C.sub.3 -C.sub.4 diol, diol ester, or diol ether and (2) a cell envelope-disordering compound. This vehicle provides surprising enhancement of skin penetration for the pharmacological active, compared to either component alone.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: September 4, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Eugene R. Cooper, Maurice E. Loomans, Richard R. Wickett
  • Topical composition and treatment of skin lesions therewith
    Patent number: 4163800
    Abstract: Compositions and process employing guanidine compounds and peroxide compounds for treatment of acne and other skin lesions by topical application.
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: August 7, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Richard R. Wickett, William R. Kock