US 5,207,819 AGranted

Phenoxypropionic acid ester derivatives

AssigneesAgro-Kanesho Co., Ltd., Tosoh Corporation

InventorsSinzo Someya, Seigo Koura, Mikio Ito, Yoichi Kitamura, Hiroyuki Watanabe, Kenji Tsuzuki

Life of this patent

Estimating the term…

Abstract

Disclosed is a novel compound of the formula [I]: ##STR1## (wherein R.sup.1 is H or CH.sub.3, R.sup.2 is H or C.sub.1 -C.sub.4 alkyl), furylmethyl group, tetrahydrofuryl group 2-tetrahydropyranylmethyl group or tetrahydrofurfuryl group which may be substituted with methyl group. The compound has strong herbicidal effect against the weeds belonging to the Family Gramineae.

Claims2

Dependent claims

A phenoxy propionic acid ester derivative of the formula [ii]:

##STR23## wherein R.sup.1 is H or CH.sub.3, R.sup.2 is H or C.sub.1 -C.sub.4 alkyl group.

Dependencies are inferred from the claim text.

Facts

Application: 07/535,518Filed 11 Jun 1990 · division
Priority: JP 62-9704320 Apr 1987
Granted: 4 May 1993
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

C07D 405/12
Containing two hetero rings: linked by a chain containing hetero atoms as chain links
A01N 43/40
Having rings with one nitrogen atom as the only ring hetero atom: six-membered rings
A01N 43/60
Having rings with two nitrogen atoms as the only ring hetero atoms: 1,4-Diazines; Hydrogenated 1,4-diazines
A01N 43/82
Having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms: five-membered rings with three ring hetero atoms

Family

Serial184,052Parent of this division · filed 20 Apr 1988
US 4,948,421 AParent of this division
US 5,207,819 AThis patent

From the US filing history. Foreign family members aren’t listed.

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