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:
Feb. 20, 1990
Filed:
Sep. 02, 1987
Kenji Hirai, Kanagawa, JP;
Takamasa Fuchikami, Kanagawa, JP;
Atsuko Fujita, Kanagawa, JP;
Hiroaki Hirose, Chiba, JP;
Masahiro Yokota, Chiba, JP;
Shoin Nagato, Tokyo, JP;
Sagami Chemical Research, Tokyo, JP;
Kaken Pharmaceutical Co., Ltd., Osaka, JP;
Chisso Corporation, Tokyo, JP;
Abstract
Novel hydantoin derivative which is represented by the formula: ##STR1## (wherein X and Y represent a halogen atom, R.sup.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group or an alkynyl group, R.sup.2 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group, and R.sup.3 and R.sup.4 independently represent a hydrogen atom or a lower alkyl group), and a herbicide containing said derivative as effective ingredient. This hydantoin derivative exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crop plants.