Patents by Inventor Silas S. Sharp

Silas S. Sharp 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).

  • Certain dithiazolylidene ureas
    Patent number: 3956303
    Abstract: Novel compounds of the formula: ##EQU1## and their use as miticides and mite ovicides, wherein: R.sub.1 is hydrogen, methyl or ethyl;R.sub.2 is methyl, ethyl, methoxy, phenyl, dimethylamino or 2-(dimethylamino)ethyl;R.sub.1 and R.sub.2 can be taken together to form ##EQU2## --(CH.sub.2).sub.n --, or --CH.sub.2 CH(CH.sub.3)--O--CH(CH.sub.3)CH.sub.2 -- where n is 4 or 5, provided that, when R.sub.1 is hydrogen, R.sub.2 must be dimethylamino or 2-(dimethylamino)ethyl.
    Type: Grant
    Filed: August 20, 1974
    Date of Patent: May 11, 1976
    Inventors: Greg A. Bullock, Silas S. Sharp