Light polarizing materials and suspensions thereof
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United States of America Patent
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Jul 14, 1992
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N/A
app pub date -
Nov 2, 1990
filing date -
Jun 10, 1985
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Expired
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Abstract
Light-polarizing materials, comprising a complex obtained by reacting elemental iodine, and iodide unsubstituted or monoalkyl- or dialkyl-substituted 2,5-dicarboxy-pyrazine and uses thereof in liquid suspensions, set suspensions and light valves.
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