Patents by Inventor David A. Deeds

David A. Deeds 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).

  • System and method for determining efficacy of sunscreen formulations
    Patent number: 5691158
    Abstract: A system and method is disclosed employing a full thickness skin model for determining minimum sun protection factors (SPFs) of various sunscreen formulations by measuring the release of an inflammatory mediator in the skin model.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: November 25, 1997
    Assignee: Mary Kay Cosmetics, Inc.
    Inventors: Barry T. Reece, Michael G. Rozen, David A. Deeds, Dale K. Roberts