Patents by Inventor Peter J. Doyle

Peter J. Doyle 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).

  • Wound healing compositions containing alpha-1-antitrypsin
    Patent number: 6638909
    Abstract: The invention provides the use of alpha-1-antitrypsin for the preparation of a composition for the treatment of a chronic wound, such as a pressure sore or a venous ulcer. The composition is preferably a wound dressing composition, such as an ointment for topical application.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: October 28, 2003
    Assignee: Ethicon, Inc.
    Inventors: Michael W. Grady, Stephen Bloor, Peter J. Doyle
  • Bioresorbable alginate derivatives
    Patent number: 6440940
    Abstract: The invention provides oxidized alginates that are bioresorbable. The oxidized alginates are prepared by controlled oxidation of alginates with nitrogen tetroxide or the like, The invention also provides pharmaceutical compositions, wound dressings, surgical implants and prostheses comprising the oxidized alginate derivatives.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: August 27, 2002
    Inventors: Peter J. Doyle, Wilson Harvey, Reginald L. Stilwell