Phenyl-pyrimidine liquid crystal materials
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United States of America Patent
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Jul 7, 1992
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N/A
app pub date -
Aug 14, 1990
filing date -
Aug 14, 1990
priority date (Note) -
Expired
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Abstract
Substituted-hydrocarbylthio phenyl-pyrimidines are disclosed which exhibit smectic A phases over a wide temperature range and are useful in formulating smectic A compositions. The liquid-crystal compositions formulated utilizing the smectic A compounds of the present invention have particular application in smectic cells such as laser smectic liquid-crystal light valves and optical limiters used in high performance environments.
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