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. 09, 1998
Filed:
Jan. 07, 1997
Chiharu Suzuki, Shizuoka, JP;
Katsumi Masuda, Shizuoka, JP;
Masatoshi Tamaru, Shizuoka, JP;
Masahito Inamori, Shizuoka, JP;
Nobuo Takefuji, Shizuoka, JP;
Katsutada Yanagisawa, Shizuoka, JP;
Yasunori Ogawa, Kakegawa, JP;
Kumiai Chemical Industry Co., Ltd., Tokyo, JP;
Ihara Chemical Industry Co., Ltd., Tokyo, JP;
Abstract
The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## �wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group!, as well as a herbicide containing it as an active ingredient and an intermediate for its production. The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields. Further, it is capable of controlling weeds germinating in paddy fields.