Phenyl-pyrimidine liquid crystal materials
US5128061A · kind A · utility
5Cited by
23References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Aug 14, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3469
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Substituted-hydrocarbylthio phenyl-pyrimidines are disclosed which exhibit smectic A phases over a wide temperature range and are useful in formulating smectic A compositions. The liquid-crystal compositions formulated utilizing the smectic A compounds of the present invention have particular application in smectic cells such as laser smectic liquid-crystal light valves and optical limiters used in high performance environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.