Patents by Inventor Lau Shan Yang

Lau Shan Yang 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).

  • Blends of polybutylene terephthalate resins and methacrylic acid-containing styrenic copolymers
    Patent number: 5340875
    Abstract: Thermoplastic molding compositions comprised of polybutylene terephthalate resin and a copolymer of a vinyl aromatic monomer and methacrylic acid are described. The compositions have unexpectedly enhanced heat and solvent resistance.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: August 23, 1994
    Assignee: Arco Chemical Technology
    Inventors: Lau Shan Yang, Russell J. McCready