Patents by Inventor Robert D. Houlsby

Robert D. Houlsby 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).

  • Sterilizing treatment with hydrogen peroxide and neutralization of residual amounts thereof
    Patent number: 4521375
    Abstract: Surfaces and articles or devices sterilized with an aqueous hydrogen peroxide solution are treated with an aqueous solution comprising a sufficient amount of sodium pyruvate to decompose the hydrogen peroxide. The invention includes a method and sterilization system which is particularly useful in medical applications. Hydrophilic contact lenses may be conveniently sterilized with a hydrogen peroxide solution and rendered non-irritating to the eyes by treating the sterilized lenses with a sterile, sodium pyruvate solution which decomposes any hydrogen peroxide remaining with the lenses.
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: June 4, 1985
    Assignee: CooperVision, Inc.
    Inventor: Robert D. Houlsby