Uniroyal Chemical Company, Inc.

John M DeMassa

Gerald J Abruscato

Paul E Stott

Howard Stephen Friedman

Anthony Vincent Grossi

Stephen M Fagan

A method for stabilizing an unsaturated polymerizable organic compound from premature polymerization includes addition thereto of an imidazoline or imidazolidine compound, optionally with ring substituents including hydroxyl, oxyl, or oxide moieties as well as aliphatic, alicyclic and/or heterocyclic moieties.

Method of stabilizing unsaturated organic compounds from polymerization

This invention relates to a blend of different isomers of a compound represented by structure I ##STR1## wherein R is C.sub.9 -C.sub.20 alkyl; wherein Y is NO.sub.2 or SO.sub.3 R' or H; wherein R' is C.sub.1 -C.sub.20 alkyl; wherein X is NO.sub.2 or C.sub.1 -C.sub.20 alkyl; and wherein R' is H or C.sub.1 -C.sub.20 alkyl, m is 2 or 3, and n is 0, 1, 2, 3, with the provisos: (1) that Y may not be H and X may not be NO.sub.2 when n=0 and (2) that when R is C.sub.9 and n=0, X and Y may not both be NO.sub.2.

Polymerization inhibitor for vinyl aromatics

This invention relates to a vinyl aromatic. Compounds of Structure (I): ##STR1## wherein R is C.sub.9 -C.sub.20 alkyl, Y is NO.sub.2, SO.sub.3 R' or H, R' is C.sub.1 -C.sub.20 alkyl, X is NO.sub.2 or C1-C.sub.20 alkyl, and R' is H or C.sub.1 -C.sub.20 alkyl, m is 2 or 3 and n is 0,1,2,3, with the proviso that when R is C.sub.9 and n=O, X and Y may not both be NO.sub.2.

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South Norwalk, CT, United States of America

John M DeMassa