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US 5,210,124 AGranted
Tri or tetraesters of aliphatic monocarboxylic acids of 6 to 9 carbon atoms and pentaerythritol as mold releases for aromatic polycarbonates
AssigneeGeneral Electric Company
InventorsThomas W. Hovatter, Christianus A. A. Claesen, Hermanus B. Savenije
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Abstract
A composition comprising an aromatic polycarbonate in admixture with a mold release effective amount of an ester of an aliphatic carboxylic acid of 6 to about 9 carbon atoms and a trihydric or tetrahydric alcohol.
Claims3
A composition comprising an aromatic polycarbonate in admixture with a mold release effective amount from about 0.2 to less than about 10 weight percent of the aromatic polycarbonate of a tetraester of an aliphatic monocarboxylic acid of 6 to 9 carbon atoms and pentaerythritol.
Dependencies are inferred from the claim text.