Light polarizing materials and suspensions thereof
US5002701A · kind A · utility
20Cited by
1References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Oct 27, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/172
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Light-polarizing materials comprising a complex obtained by reacting elemental iodine, and iodide and a monoalkyl- or dialkyl-piperazinedione or an unsubstituted or monoalkyl- or dialkyl- substituted 2,5-dicarboxy-pyrazine, and uses thereof in liquid suspensions, set suspensions and light valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.