Patents by Inventor Regis C. H. S. Leung-Toung

Regis C. H. S. Leung-Toung 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).

  • Methods for the manufacture of terbinafine
    Patent number: 5817875
    Abstract: Process for the manufacture of naphthylmethylamine derivatives and among them terbinafine as potential antimycotic agents.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: October 6, 1998
    Inventors: Khashayar Karimian, Regis C. H. S. Leung-Toung, Yiwei Li, Tim Fat Tam