Patents by Inventor Quingwu Jin

Quingwu Jin 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).

  • Preparation of nucleosides ribofuranosyl pyrimidines
    Patent number: 8912321
    Abstract: The present process provides an improved method for the preparation of 4-amino-1-((2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-hydroxymethyl-3-methyl-tetrahydrofuran-2-yl)-1H-pyrimidin-2-one of the formula (IV) which is a potent inhibitor of Hepatitis C Virus (HCV) NS5B polymerase.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: December 16, 2014
    Assignee: Gilead Pharmasset LLC
    Inventors: Steven D. Axt, Keshab Sarma, Justin Vitale, Jiang Zhu, Bruce Ross, Suguna Rachakonda, Quingwu Jin, Byoung-Kwon Chun