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Liquid crystal materials
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Patent number 4,257,911
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Issue date Mar 24, 1981
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The Secretary of State for Defence in Her Britannic Majesty's Government of t...
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George W. Gray
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C07 - ORGANIC CHEMISTRY
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3873607
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Patent number 3,873,607
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Issue date Mar 25, 1975
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C07 - ORGANIC CHEMISTRY
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3549675
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Patent number 3,549,675
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Issue date Dec 22, 1970
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C07 - ORGANIC CHEMISTRY
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2778852
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Patent number 2,778,852
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Issue date Jan 22, 1957
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C07 - ORGANIC CHEMISTRY
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2034850
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Patent number 2,034,850
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Issue date Mar 24, 1936
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C07 - ORGANIC CHEMISTRY