Patents by Inventor Richard G. Angel

Richard G. Angel 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).

  • Isothiocyanobenzothiazoles
    Patent number: 3985885
    Abstract: Isothiocyanobenzothiazoles are provided having the structure ##SPC1##Wherein R and R.sup.1 are as indicated below, and which are useful as anthelmintic agents.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: October 12, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala Lakshmi Narayanan, Richard G. Angel