Patents by Inventor Man-Wai Tang

Man-Wai Tang 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).

  • Process for catalytic epoxidation of olefinic compounds, novel cyclic ketone catalysts useful in said process
    Patent number: 5763623
    Abstract: Methods for effecting epoxidation of olefinic compounds using cyclic ketone catalysts is provided. In particular, catalytic asymmetric epoxidation of unfunctionalized olefins, e.g., trans-olefins and trisubstituted olefins using novel cyclic ketones possessing C.sub.2 symmetric chiral elements is provided.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: June 9, 1998
    Assignee: The University of Hong Kong
    Inventors: Dan Yang, Jian-Hua Zhang, Man-Kin Wong, Yiu-Chung Yip, Man-Wai Tang