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:
Dec. 01, 1998
Filed:
Apr. 01, 1997
Masanori Tonishi, Sakai, JP;
Takeshi Katsuhira, Kawachinagano, JP;
Takashi Ohtsuka, Tondabayashi, JP;
Yuzo Miura, Tondabayashi, JP;
Nihon Nohyaku Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a pyridine-2,3-dicarboxylic acid diamide derivatives represented by the following formula (I) and herbicides containing them as an active ingredient. ##STR1## �wherein R.sub.1 represents one to three substituents such as H, halogen, cyano, nitro, (halo)alkyl, (halo)alkoxy, (halo)alkylthio, (C.sub.3-6)cycloalkyl, alkenyl, alkynyl, substituted phenyl, substituted phenoxy, etc. and R.sub.1 may represent alkylene or alkenylene together with an adjacent carbon atom; R.sub.2 represents H, halogen, cyano, nitro, (halo)alkyl or (halo)alkoxy; R.sub.3 represents H or alkyl; R.sub.4 and R.sub.5 each represent H, (halo)alkyl, cycloalkyl, substituted cycloalkylalkyl, etc.; and n represents an integer of 0 or 1!. The present compounds exhibit excellent effect for controlling paddy field weeds and the like.