Patents by Inventor Chengzhi Zhang

Chengzhi Zhang 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: 5840721
    Abstract: The present invention relates to polysubsituted imidazole having formula 1 ##STR1## These compounds are useful for restoring the sensitivity of multidrug resistant cells to cancer chemotherapeutic agents.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: November 24, 1998
    Assignee: Ontogen Corporation
    Inventors: Adnan M. M. Mjalli, Chengzhi Zhang
  • Patent number: 5723451
    Abstract: There are disclosed methods useful for the inhibition of inducible nitric oxide synthase by the adminstration of a compound of the Formula I: ##STR1## to a patient in need of such inhibition such as hypotension, inflammation, autoimmune diseases and septic shock and the like.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: March 3, 1998
    Assignee: Ontogen Corporation
    Inventors: Adnan M. M. Mjalli, Sepehar Sarshar, Chengzhi Zhang