Patents by Inventor Andrew P. O'Connor

Andrew P. O'Connor 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).

  • Compositions and methods for improving the performance of chemical exfoliating agents, sunless tanning agents, skin lightening agents and insect repellents
    Patent number: 5989527
    Abstract: Topical compositions for application to the stratum corneum include a polyester and an active ingredient which is a chemical exfoliating agent, sunless tanning agent, skin lightening agent and/or an insect repellent. The polyester substantially retains the active ingredient on or in the stratum corneum. A method for improving the effect of the active ingredient in a topical composition includes providing a polyester which functions to substantially retain the active ingredient on or in the stratum corneum to improve the effect of the active ingredient.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: November 23, 1999
    Assignee: Inolex Investment Corporation
    Inventors: Robert W. Siegfried, Rocco Burgo, Andrew P. O'Connor, Diana L. Smith