Patents by Inventor Lowell Ray Comstock

Lowell Ray Comstock 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).

  • Polyurethane coating formulations based on polyepoxide-caprolactone polyols and polyisocyanates
    Patent number: 3989676
    Abstract: Compositions useful for the formation of high performance coatings are provided as the reaction products of a caprolactone polyol having an average hydroxyl functionality of at least three and a polyepoxide. The products formed by reaction of a caprolactone triol and a cycloaliphatic diepoxide are used with particular advantage as the active hydrogen-containing component of polyurethane formulations to be applied as coatings on external surfaces of aircraft.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: November 2, 1976
    Assignee: Union Carbide Corporation
    Inventors: Richard Michael Gerkin, Lowell Ray Comstock