Halogen-containing heterocyclic compound and liquid crystal composition
US4765924A · kind A · utility
38Cited by
2References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 14, 1987 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Jan 14, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3463
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel liquid crystalline, halogen-containing heterocyclic compound having a characteristic that even when its S.sub.c * phase is supercooled, no other smectic phases appear, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein R.sub.1 and R.sub.2 each represent an alkyl group of 2 to 18 carbon atoms; X represents --N.dbd. or --CH.dbd.; Y represents F or Cl; n represents an integer of 0 to 10; and a symbol * represents an asymmetric carbon atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.