Patents by Inventor Jan-Yang Tsai

Jan-Yang 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).

  • Vinyl ester of polyepoxide and unsaturated monocarboxyic acid with maleic stabilizer
    Patent number: 6184314
    Abstract: A vinyl ester resin derived from the reaction of about equivalent amounts of an unsaturated monocarboxylic acid and a polyepoxide is stabilized with from 0.01 to 5 weight percent of maleic acid and/or maleic anhydride.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: February 6, 2001
    Assignee: Swancor Industrial Co., Ltd.
    Inventors: Jan-Yang Tsai, Shih-Wen Yur