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:
Jun. 15, 1982
Filed:
Mar. 12, 1980
Ryo Yoshida, Kawanishi, JP;
Haruhiko Katoh, Takarazuka, JP;
Seizo Sumida, Nishinomiya, JP;
Ichiki Takemoto, Takarazuka, JP;
Junya Takahashi, Takarazuka, JP;
Katsuzo Kamoshita, Osaka, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A compound of the formula: ##STR1## wherein A is a hydrogen atom, a methyl group or a methoxy group, X is a straight or branched C.sub.1 -C.sub.4 alkylene chain, Y is an oxygen atom or a sulfur atom, R, which may be the same or different, is a lower alkyl group, a lower alkoxy group, a trifluoromethyl group, a chlorine atom, a bromine atom or a fluorine atom, m is an integer of 0 to 5 and n is an integer of 0 or 1, provided that in case of R being a fluorine atom, m is an integer of 0 to 5 and in case of R being other than a fluorine atom, m is an integer of 0 to 3, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals and any chemical injury to said crop plants.