US 4,304,714 AGranted

Polyfunctional phenolic oxamide antioxidants

AssigneeUniroyal, Inc.

InventorsEdward L. Wheeler, Elmar H. Jancis, Richard A. Gencarelli, Franklin H. Barrows

Life of this patent

Estimating the term…

Abstract

Novel phenolic oxamide antioxidants for protecting organic materials such as synthetic and natural rubbers, petroleum products, and plastics from oxidative degradation.

Claims6

Dependent claims

A compound having the structural formula:

##STR2## wherein A is a branched C.sub.3 -C.sub.7 alkylene, m is 0, 1 or 2, n is an integer from 1 to 12, e has a value of 2 or 3.

Dependencies are inferred from the claim text.

Facts

Application: 06/043,761Filed 30 May 1979 · continuation in part
Priority: 4 Aug 1978
Granted: 8 Dec 1981
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

C08K 5/35
Heterocyclic compounds having nitrogen in the ring: having also oxygen in the ring
C07D 263/14
With only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms: with radicals substituted by…
C08K 5/005
Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59: stabilisers against oxidation, heat, light, ozone
C09K 15/30
Containing organic compounds: containing heterocyclic ring with at least one nitrogen atom as ring member

Family

Serial931,087Parent of this continuation-in-part · filed 4 Aug 1978
US 4,304,714 AThis patent

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

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