Patents by Inventor Hsiao-Sheng Lieu

Hsiao-Sheng Lieu 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).

  • Patent number: 5741813
    Abstract: Compounds of general Formula I in which the substituents of R.sub.1 -R.sub.7 are hydrogen, hydroxy group, C.sub.1-6 alkyl group, C.sub.1-6 alkoxy group, or epoxypropoxy, but at the most, six of the substituents can simultaneously be hydrogen, methoxy group, or hydroxy group, or epoxypropoxy group for activity against hepatoma. There are also described processes for the preparation of the novel compounds and useful intermediates. Substitute benzophenones are described.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 21, 1998
    Assignee: National Science Council
    Inventors: Chun-Nan Lin, Shen-Jeu Won, Hsiao-Sheng Lieu, Shorong-Shii Liou