US 4,441,911 AGranted

Herbicidal heterocyclic pentalenes

AssigneeShell Oil Company

InventorsMichael T. Clark, Ian J. Gilmore

Life of this patent

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Abstract

Herbicidal heterocyclic pentalenes of the formula: ##STR1## wherein the symbols have assigned meanings.

Claims3

Dependent claims

A compound of the formula ##STR5## wherein X is O or S, Z and Z.sup.1 each is hydrogen or alkyl of from one to three carbon atoms, and n is zero, one or two, with the proviso that when X is sulfur, n is zero.

Dependencies are inferred from the claim text.

Facts

Application: 06/418,370Filed 15 Sep 1982 · continuation in part
Priority: GB 811940324 Jun 1981
Granted: 10 Apr 1984
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07D 515/04
In which the condensed system contains two hetero rings: ortho-condensed systems
A01N 43/90
Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds: having two or more relevant hetero rings,…
C07D 515/06
In which the condensed system contains two hetero rings: peri-condensed systems
C07D 517/04
In which the condensed system contains two hetero rings: ortho-condensed systems

Family

Serial388,777Parent of this continuation-in-part · filed 15 Jun 1982
US 4,441,911 AThis patent

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

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