Patents by Inventor James E. Thompson, II

James E. Thompson, II 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).

  • ABS/Acrylic lamination process
    Patent number: 5069851
    Abstract: Continuous lamination of ABS and polymethylmethacrylate (PMMA) is achieved employing a continuous sheet or reel of PMMA 0.1 inch to 0.250 inch thick optionally preheated on one side; a web of ABS is extruded at about 450.degree.-550.degree. F. from pellets onto the PMMA at the nip of a roll stack. In the roll stack, the two laminated layers are compressed and gradually cooled. The laminate displays properties of both ABS and acrylic. It has excellent thermoforming properties.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: December 3, 1991
    Assignee: Aristech Chemical Corporation
    Inventors: Clark T. Hicks, Ray D. Hoffman, James E. Thompson, II