Patents by Inventor Lawrence Y. Fang

Lawrence Y. Fang 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).

  • Substituted 3-indolyl-5-pyrazolone compounds
    Patent number: 5484940
    Abstract: This invention is directed to novel substituted 3-indolyl-5-pyrazolone compounds as well as intermediates useful in the preparation of such substituted 3-indolyl-5-pyrazolone compounds.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: January 16, 1996
    Inventors: Francine S. Grant, Lawrence Y. Fang, Varghese John, Eugene D. Thorsett