.alpha.-carbonylphenylacetonitrile derivatives as stabilizers fo

Details .alpha.-carbonylphenylacetonitrile derivatives as stabilizers fo .alpha.-carbonylphenylacetonitrile derivatives as stabilizers fo

1991-06-24

1993-03-02

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

252 499, 252 515R, 524 99, 524100, 524111, 524205, 524206, 524207, 524208, 524209, 544163, 544226, 544386, 548538, 549496, 558154, 558168, 558404, 558405, 558406, 558386, C08K 55353, C08K 526, C08K 516, C07C30906, C07C21357, C07C24328, C07C25540, C07C25544, C07C25541

Patent

active

051909995

ABSTRACT:
Compositions comprising an organic material liable to oxidative, thermal and/or actinic degradation and at least one compound of the formula I ##STR1## are described in which n is 1-6, R, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are preferably hydrogen and A is a monovalent radical or polyvalent linking moiety.
Some of the compounds of the formula I are novel. They are particularly suitable for the stabilization of lubricating oils, metal processing fluids and hydraulic fluids, and of thermoplastics and elastomers.

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