Patents by Inventor Wen-Tsai Tsai

Wen-Tsai Tsai 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).

  • Flame retarding thermoplastic resin composition
    Patent number: 6391967
    Abstract: This invention discloses a flame retarding thermoplastic resin composition, which is comprised of (i) a thermoplastic resin and (ii) a phenolic resin compound as a flame retardant, wherein the phenolic resin compound contains a nitrogen-containing heterocycle and phosphorus. Since the flame retarding thermoplastic resin composition of this invention does not contain halogen, and has excellent flame retardant properties and high heat resistance, it is useful in producing parts and products in the fields of electronics, electricity and automobile.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: May 21, 2002
    Assignee: Chang Chun Plastics Co., Ltd.
    Inventors: Kuen-Yuan Hwang, Hong-Hsing Chen, Ying-Ling Liu, Wen-Tsai Tsai