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:
Aug. 17, 1999
Filed:
Dec. 15, 1998
Hiroyuki Adachi, Kanagawa, JP;
Masao Yamaguchi, Hiratsuka, JP;
Masami Koguchi, Odawara, JP;
Akihiro Takahashi, Ohi-machi, JP;
Takashi Kawana, Minamiashigara, JP;
Katsunori Tanaka, Odawara, JP;
Osamu Miyahara, Odawara, JP;
Nippon Soda Co., Ltd., Tokyo, JP;
Abstract
The present invention is directed to a compound of formula �I!: ##STR1## or a salt thereof in which R.sub.1 is a a C.sub.1-6 alkyl group, R.sup.2 is a halogen atom, a C.sub.1-6 alkylthio group, a C.sub.1-6 alkylsulfinyl group or a C.sub.1-6 alkylsulfonyl group, R.sup.3 and R.sup.4 are each independently hydrogen, a C.sub.1-6 alkyl group or a C.sub.1-6 haloalkyl group, and R is hydrogen or a C.sub.1-6 alkyl group. The present invention is further directed to a compound of formula �1! or a salt thereof, as described above and in which R.sup.1 and R.sup.3 are methyl, R.sup.2 is chlorine or methylsulfonyl, R.sup.4 is hydrogen, and R is methyl or ethyl. In addition, the present invention is directed to a herbicidal composition, characterized in that it contains as active agent one or more compounds of formula �I! or salt thereof in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 are as described above.