Patents by Inventor Robert J. Mcmillin

Robert J. Mcmillin 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).

  • Patent number: 6485713
    Abstract: A method of preparing a sunscreen including a solvent system and a filter system, the method including the step of controlling the polarity of the solvent system to control the rate of photodecay of the filter system, as well as sunscreen compositions and compounds for producing sunscreen compositions, are disclosed.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: November 26, 2002
    Assignee: The C. P. Hall Company
    Inventors: Craig A. Bonda, Urvil B. Shah, Robert J. Mcmillin, Magda M. Roth