Liquid crystal compound
US5110496A · kind A · utility
7Cited by
3References
10Claims
0Family size
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Inventors
Key dates
| Filing date | Mar 1, 1991 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Mar 1, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3463
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An optically active liquid crystal compound which is represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R.sub.3 represents a haloalkyl group, X represents O, COO, OCO, CO or a single bond, Y represents COO, OCO, CH.sub.2 O or OCH.sub.2, Z represents COO or O, (A) represents a cyclic group shown by ##STR2## (B) represents a cyclic group shown by ##STR3## and l shows that the cyclic groups are substituted by at least one halogen atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.