Patents by Inventor Sidky Rizk

Sidky Rizk 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).

  • Patent number: 4719267
    Abstract: A heat curable one package polyurethane resin composition adaptable to use for automotive seam sealing, particularly under high solids acrylic enamel paints, said composition comprising an isocyanate terminated polyurethane prepolymer having pendant epoxy groups along the polymer chain and the isocyanate groups of which are blocked by reaction with an oxime, and a curing agent having at least two active hydrogen atoms per molecule, such as a polyol, a polyamine, or a blocked polyamine.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: January 12, 1988
    Assignee: Essex Specialty Products, Inc.
    Inventors: Sidky Rizk, Harry W. S. Hsieh