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:
Sep. 12, 2017
Filed:
Nov. 27, 2013
Sumitomo Chemical Company, Limited, Tokyo, JP;
Yosuke Nakashima, Tokyo, JP;
Yoshinobu Jin, Hyogo, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
The present invention provides a compound having an excellent efficacy for controlling weeds. A dihydropyrone compound of formula (I): wherein m is 1, 2 or 3; n is an integer of any one of 1 to 5; X represents O, S, S(O) or S(O); Rrepresents a hydrogen atom or a methyl group; Rand Rrepresents a hydrogen atom, an Calkyl group and the like; when X represents S, S(O) or S(O), Rrepresents an Calkyl group, a Chaloalkyl group, an Caryl group or a five- to six-membered heteroaryl group, and X represents O, S, S(O) or S(O), Rrepresents an Caryl group or a five- to six-membered heteroaryl group; G represents a hydrogen atom and the like; Z represents a halogen atom, a cyano group, a nitro group, a phenyl group, an Calkyl group and the like; is useful as an active ingredient for herbicides.