Phosphite esters of hindered bis and tris phenols

Details Phosphite esters of hindered bis and tris phenols Phosphite esters of hindered bis and tris phenols

1971-12-01

1976-04-06

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260 457PS, 260814, 260953, C07F 9145, C08K 553

Patent

active

039490246

ABSTRACT:
A phosphite ester of a hindered bis phenol of the formula: ##SPC1##
Wherein X is an alkylene radical or sulfur, R is hydrogen or alkyl, and R.sub.1 is alkyl, cycloalkyl or an alkyl-substituted aryl radical, which compounds are useful as stabilizers for polymeric materials.

REFERENCES:
patent: 2293445 (1942-08-01), Nelson
patent: 3112286 (1963-11-01), Morris et al.

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