Patents by Inventor Clint A. Markham

Clint A. Markham 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).

  • Anti-lice treatment compositions
    Patent number: 5288483
    Abstract: The present invention represents ovicidal/pediculicidal anti-lice active containing compositions containing a combination of alkanol synergizers selected from the group consisting of phenyl C.sub.2 -C.sub.6 alkanols, phenyl C.sub.2 -C.sub.6 diols, and mixtures thereof, with quaternary ammonium salts, long chain (CH.sub.12 -C.sub.22 fatty amines, and mixtures thereof. The compositions include hair care compositions which are storage stable at high temperatures.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: February 22, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Caroline W. Cardin, David W. Peter, Clint A. Markham