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:
Jul. 18, 1989
Filed:
Aug. 17, 1987
Applicant:
Inventors:
Shinichi Kawamura, Osaka, JP;
Yuzuru Sanemitsu, Ashiya, JP;
Tatsuhiro Hamada, Amagasaki, JP;
Ryo Yoshida, Kawanishi, JP;
Assignee:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
71 94 ; 546290 ; 546303 ;
Abstract
Provided herein is a comound of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.2 alkyl group; R.sup.2 is a hydrogen atom, halogen atom, methyl group, or trifluoromethyl group at the o- or m-position; R.sup.3 is a halogen atom, methyl group, or trifluoromethyl group; and X is an oxygen or sulfur atom. It has an outstanding herbicidal effect and selectivity for crop plants and weeds. It is useful as a herbicide.