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US 4,734,483 AGranted
Cholesteric liquid crystal polyester from hydroquinone, cyclohexane dicarboxylic acid and 3-methyl adipic acid
AssigneeNippon Oil Co., Ltd.
InventorsTomohiro Toya, Tetsuo Satoh, Shigeki Iida, Hajime Hara, Shingo Orii
Life of this patent
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Abstract
A cholesteric liquid crystal polyester consisting essentially of structural units represented by the following formulae (A), (B) and (C): ##STR1## which is optically active; and ##STR2## wherein X is hydrogen, halogen, or alkyl having not more than four carbon atoms.
Claims3
A cholesteric liquid crystal polyester consisting essentially of structural units represented by the following formulae (A), (B) and (C):
- ##STR4## which is optically active;
- and ##STR5## wherein X is hydrogen, halogen, or alkyl having not more than four carbon atoms.
Dependencies are inferred from the claim text.