Patents by Inventor Chai J. Chou

Chai J. Chou 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).

  • Environmental stress failure resistant polycarbonate
    Patent number: 4894423
    Abstract: Environmental stress failure resistant and impact resistant polycarbonates useful for producing molded plastic components are prepared from an aromatic polycarbonate and a copolymer of ethylene and carbon monoxide.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: January 16, 1990
    Assignee: The Dow Chemical Company
    Inventors: Hani Farah, Chai J. Chou, Stephen M. Hoenig
  • Environmental stress failure resistant polycarbonate blend
    Patent number: 4859738
    Abstract: Environmental stress failure resistant and impact resistance thermoplastic molding compositions are prepared from an aromatic polycarbonate, an aromatic polyester, and a copolymer of ethylene and carbon monoxide.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: August 22, 1989
    Assignee: The Dow Chemical Company
    Inventors: Hani Farah, Chai J. Chou, Don R. Roden, Jr.