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:
May. 22, 1990
Filed:
Dec. 30, 1988
Walter G Brouwer, Guelph, Ontario, CA;
Ethel Ellen Felauer, Puslinch, Ontario, CA;
Allyn Roy Bell, Cheshire, CT (US);
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Uniroyal Chemical Ltd/Ltee, Don Mills, CA;
Abstract
A compound having the structural formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.4 alkenyl or trifluoromethyl; R.sup.2 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 --C.sub.4 alkenyl, C.sub.7 -C.sub.10 aralkyl or C.sub.7 -C.sub.10 haloaralkyl; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen or C.sub.1 -C.sub.2 alkyl; X is halogen; Y is hydrogen, C.sub.1 -C.sub.4 alkyl or halogen; and Z is oxygen or sulfur is disclosed. In addition, a process for forming the compound is set forth. A method for controlling weeds which comprises applying a herbicidally effective amount of the compound recited above is also described. Finally, a composition, useful as a herbicide, including the compound of this invention and a suitable carrier therefor is taught.