Patents by Inventor Nelson Leon Burgess

Nelson Leon Burgess 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).

  • Topical anti-acne composition
    Patent number: 5837270
    Abstract: The present invention relates to a topical anti-acne formulation comprising, in a pharmaceutically acceptable carrier, a compound of the formula C.sub.6 H.sub.2 ClOHR.sup.1 R.sup.2, wherein R.sup.1 and R.sup.2 are each independently C1 to C7 alkyl, C3 to C7 cycloalkyl or C3 to C7 aryl, and zinc oxide. The preferred formulation contains 4-chloro-3,5-dimethylphenol and zinc oxide.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: November 17, 1998
    Inventor: Nelson Leon Burgess