Patents by Inventor Pui Y. Wong

Pui Y. Wong 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).

  • Cyclosporine metabolites
    Patent number: 5202310
    Abstract: A cyclosporine metabolite having a molecular weight determined by mass spectrometry of about 1205 and having the following properties: (a) being immunologically distinct from cyclosporine metabolites OL-1, OL-17 and OL-8; (b) being more polar than OL-1 or OL-17 and less polar than OL-8 when eluated from a gradient high performance liquid chromatography; (c) being extractable from bile of test animals which have been administered cyclosporine A; and (d) being substantially free of other cyclosporine metabolites and cyclosporine A, and a physiologically acceptable salt or stereoisomer thereof.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: April 13, 1993
    Inventors: Gary A. Levy, Pui Y. Wong