Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoates
US5334327A · kind A · utility
5Cited by
9References
10Claims
0Family size
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Key dates
| Filing date | May 12, 1992 |
| Grant date | Aug 2, 1994 |
| Priority date | — |
| Expiry date | May 12, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/2007
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel compounds of formula (I), in which R is R.sup.1, R.sup.1 O or R.sup.1 COO, where R.sup.1 is C.sub.1-12 alkyl, n and m are 0 or 1 provided that (n+m) is 0 or 1, each of a, b, c and d are independently 0 or 1, provided (a+b+c+d) is not zero, but excluding the case where a and b are 0 and m is 0 and one of c or d is 0 are described, being useful constituents of nematic liquid crystal materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.