Patents by Inventor Hung-Yieng Tsun

Hung-Yieng Tsun 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).

  • Method of purifying thuringiensin
    Patent number: 6268183
    Abstract: The invention discloses a two-step process for recovery of thuringiensin, comprising adsorbing the thuringiensin from fermentation broth by calcium silicate, and dissociating the thuringiensin by dibasic sodium phosphate. The resulting thuringiensin can be further purified by using semi-preparative HPLC and electrodialysis to remove the excess salts from the recovered thuringiensin solution.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: July 31, 2001
    Assignee: National Science Council
    Inventors: Yew-Min Tzeng, Bing-Lan Liu, Shyuan-Shuenn Huang, Cheng-Ming Liu, Hung-Yieng Tsun