Patents by Inventor Brent William Mason

Brent William Mason 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).

  • Stable n-acetylcysteine compositions and methods for treating human skin therewith
    Patent number: 5691380
    Abstract: The present invention relates to topical compositions comprising N-acetylcysteine demonstrating improved odor stability. These compositions are useful for treating and visibly improving the appearance of human skin.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: November 25, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Brent William Mason, Joseph Michael Zukowski, Larry Richard Robinson, Greg George Hillebrand