Patents by Inventor Christopher D. Vaughan

Christopher D. Vaughan 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).

  • Ultraviolet resistant sunscreen compositions
    Patent number: 5208011
    Abstract: A sunscreen composition for leaving a protective film on skin, comprising a UVB light absorbing sunscreen, a polymer vehicle, an oil-soluble solubilizer, and alkoxylated castor oil as an emulsifier. The protective film has an aggregate cohesive energy of from about 80 to about 150 calories per cc, preferably 100 to 115 calories/cc. The film is water resistant, unusually stable to UV radiation, nonirritating, and physically protective.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: May 4, 1993
    Assignee: Sun Pharmaceutical Corp.
    Inventor: Christopher D. Vaughan
  • Film-forming carboxy-containing resin and a polyvalent metal salt in a hair spray and a method of using the same
    Patent number: 4036241
    Abstract: A hair spray composition comprising an alcoholic medium having substantially uniformly dispersed therein a film forming carboxylic acid containing resin and a polyvalent metal alkyl carboxylic acid salt having from 5 to 20 carbon atoms, said composition having a pH from about 3.5 to 7.5.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: July 19, 1977
    Assignee: Avon Products, Inc.
    Inventors: Gerhart Karg, Christopher D. Vaughan