Optically active compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions
US5152919A · kind A · utility
6Cited by
3References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 22, 1990 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Mar 22, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2019/3422
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention discloses dichiral compounds represented by the general formula ##STR1## (R.sub.1, R.sub.2, R.sub.3, R.sub.4, Q.sub.1, Q.sub.2, Q.sub.3, M and n have the same definitions as in the description portion of the specification), intermediates for preparation of said compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.