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US 4,362,829 AGranted
Polycarbonates stabilized with sulfolane derivatives
AssigneeGeneral Electric Company
InventorsStephen M. Cooper, Sheldon J. Shafer, John A. Tyrell
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Abstract
A composition comprising an aromatic carbonate polymer in admixture with an effective thermal stabilizing amount of a compound of formula ##STR1##
Claims5
A composition which comprises an aromatic carbonate polymer in admixture with an effective amount of a thermal stabilizing compound of the formula ##STR4## wherein X and Y are the same or different and are phenyl or naphthyl unsubstituted or substituted with one to three members of the group consisting of alkyl of one to three carbon atoms, inclusive, alkoxy of one to three carbon atoms, inclusive, chlorine and bromine.
Dependencies are inferred from the claim text.