Liquid crystal materials having a formula containing a diphenylethane nucleus
US4212762A · kind A · utility
15Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Nov 21, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Nov 21, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/2014
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel mesomorphic substances, constituting, in certain temperature ranges, nematic or smectic liquid crystals which are compounds of the formula: ##STR1## wherein R.sub.1 is an alkyl or alkoxy group containing 1 to 10 atoms of carbon; PA1 R.sub.2 is Br, CN or an alkyl (or an alkoxy) group containing 1 to 10 atoms of carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.