Patents by Inventor Zhisen ZHANGHAI

Zhisen ZHANGHAI 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).

  • Publication number: 20160237090
    Abstract: The present invention relates to compounds of the formula (I), or pharmaceutically acceptable salts, enantiomer or diastereomer thereof, wherein R1 to R4 are as described above. The compounds may be useful for the treatment or prophylaxis of hepatitis B virus infection.
    Type: Application
    Filed: January 15, 2016
    Publication date: August 18, 2016
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Taishan HU, Xingchun HAN, Buyu KOU, Hong SHEN, Shixiang YAN, Zhisen ZHANGHAI