Copolycarbonate compositions and articles

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United States of America Patent

PATENT NO 11970608
APP PUB NO 20210309849A1
SERIAL NO

17265172

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Abstract

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Provided are copolycarbonate compositions including a stabilizer package which comprise a phosphorous-containing acid, an ester of phosphorous-containing acid, and an organosulfonic stabilizer where the phosphorous-containing acid and the ester of a phosphorous-containing acid are present in a molar ratio of 1 to 2. The total stabilization package is for example, in the amount by weight of 4 to 32 ppm, 8 to 24 ppm, or 8 to 16 ppm and the organosulfonic stabilizer is, e.g., of 2 to 30 ppm, or 4 to 24 ppm, or 8 to 16 ppm.

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Patent Owner(s)

  • SHPP GLOBAL TECHNOLOGIES B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Odle, Roy Ray Mt. Vernon, US 73 740
Sybert, Paul Dean Mt. Vernon, US 85 721
Zhao, Wei Mt. Vernon, US 731 5229

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