The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 1976
Filed:
Apr. 08, 1975
Applicant:
Inventors:
Eirlys R Barker, nee Isaac, Maidstone, EN;
Peter Kirby, Bearsted, EN;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
71 88 ; 2603409 ;
Abstract
A composition comprising compounds of the formula ##EQU1## wherein R.sub.1 and R.sub.2 each is alkyl; R.sub.3 is substituted carbamoyl or thiocarbamoyl; and R.sub.4 is optionally substituted phenyl, are useful as herbicides.