US 4,556,520 AGranted

2-Nitro(cyano)phenyloxy(thio)alkyl phosphinates or phosphonates

AssigneeZoecon Corporation

InventorsShy-Fuh Lee, Clive A. Henrick

Life of this patent

Estimating the term…

Abstract

Novel phenoxyphenoxyalkyl-, phenoxyphenylthioalkyl- or phenoxyphenylsulfonylalkyl-substituted phosphinates and phosphonates, related compounds, synthesis thereof, intermediates therefor, and the use of said novel compounds for the control of weeds.

Claims3

Dependent claims

A compound of the formula (XIII):

##STR38## wherein, W is oxygen or sulfur;
n' is 1, 2 or 3;
n is 0 or 1;
R is nitro, or cyano;
R.sup.1 is lower alkyl;
R.sup.2 is lower alkyl;
R.sup.6 is hydrogen or lower alkyl;
and
R.sup.11 is bromo, chloro or hydroxy.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 06/598,647Filed 10 Apr 1984 · division
Priority: 2 Nov 1981
Granted: 3 Dec 1985
Term ends: Not estimatedThe source records don’t support an estimate.

Classification24 codes

C07F 9/6552
Having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms: the oxygen atom being part of a…
A01N 57/22
Having phosphorus-to-carbon bonds: containing aromatic radicals
A01N 57/24
Having phosphorus-to-carbon bonds: containing heterocyclic radicals
A01N 57/30
Having phosphorus-to-nitrogen bonds: containing aromatic radicals

Family

Serial317,622Parent of this continuation-in-part · filed 2 Nov 1981
Serial317,623Parent of this continuation-in-part · filed 2 Nov 1981
Serial379,587Parent of this continuation-in-part · filed 19 May 1982
Serial433,486Parent of this division · filed 8 Oct 1982
US 4,456,464 AParent of this division
US 4,556,520 AThis patent

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

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