Patents by Inventor Thomas Selby

Thomas Selby 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).

  • 2-Amino-5-ethylovalyl-6H-1,3,4-thiadiazine oxime
    Patent number: 4254259
    Abstract: By varying the acidity, solvent polarity, and temperature of the reaction of thiosemicarbazide with ethyl 4-chloroacetoacetate, ethyl 2-amino-6H-1,3,4-thiadiazine-5-acetate hydrochloride, ethyl 2-hydrazinothiazole-4-acetate, and ethyl 2-imino-3-aminothiazoline-4-acetate hydrochloride may be prepared selectively. Further derivatives may be prepared by benzoylation and nitrosation. These compounds have demonstrated utilities as herbicides.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: March 3, 1981
    Assignee: Indiana University Foundation
    Inventors: Ernest E. Campaigne, Thomas Selby