Optically active liquid crystal compound having methyleneoxy group and composition containing same
US4729847A · kind A · utility
12Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Jul 10, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/2028
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel, superior, optically active liquid crystal compound exhibiting a smectic C* phase, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein X represents --CH.sub.2 O-- or --OCH.sub.2 --; Y represents --COO-- or --OCO--; and either one of R.sup.1 or R.sup.2 represents an optically active alkyl group, alkoxy group or alkoxycarbonyl group and the other represents a non-optically-active alkyl group or alkoxy group each of 4 to 18 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.