Patents by Inventor Andrew Peter O'Connor

Andrew Peter 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).

  • Polyester-based suncreen formulations
    Patent number: 5833961
    Abstract: Sunscreen formulations including functionalized polyesters and at least two organic active sunscreen ingredients are provided. One of the organic active ingredients is at least partially soluble in the other, and the organic active ingredients are compatible and co-soluble with the functionalized polyester. The functionalized polyesters are also included in sunscreen formulations as dispersing agents for inorganic active sunscreen ingredients.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: November 10, 1998
    Assignee: Inolex Investment Corporation
    Inventors: Robert W. Siegfried, Anna Marie Howe, Rocco V. Burgo, Jr., Andrew Peter O'Connor, Thomas Grebenar, Jr.