Patents by Inventor Donald G. Carr

Donald G. Carr 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).

  • Process for producing flexible polyester foam
    Patent number: 4465792
    Abstract: Flexible foam composition comprising a flexible polyester resin prepared from a resin having an elongation of 8 to 70 percent, said foams having density of 2 to 50 pounds per cubic foot. The foam can be filled with up to 150 parts by weight of inorganic materials and can be reinforced with porous fabric (paper or cloth) or glass (chopped fiber or woven tape) materials.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: August 14, 1984
    Assignee: Standard Oil Company, a corporation of Indiana
    Inventors: Donald G. Carr, John M. Blonn, Leonard E. Milawski