Cyclohexenic additives for producing polycarbonate polymers of high refractive index and low yellowness
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United States of America Patent
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Sep 25, 1990
Issued Date -
N/A
app pub date -
May 19, 1988
filing date -
Nov 22, 1985
priority date (Note) -
Expired
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Abstract
The yellowness of polymerizates formed form polymerizable compositions containing bisphenol bis(allylic carbonate)-functional material is reduced by inclusion of one or more cyclohexenic compounds in the polymerizable compositions.
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