Synthesis of N,N'-dialkyl-4'bipyridinium reagents
US4473695A · kind A · utility
168Cited by
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13Claims
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Key dates
| Filing date | Jan 15, 1982 |
| Grant date | Sep 25, 1984 |
| Priority date | — |
| Expiry date | Jan 15, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1503
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel class of dialkyl and dialkyl-aromatic viologens (4,4'dipyridinium compounds) and their salts which may be polymerized and covalently bonded to electrodes for use in electronic display systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.