Dithioketo pyrrolopyrroles
US4760151A · kind A · utility
25Cited by
1References
4Claims
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Key dates
| Filing date | Aug 29, 1986 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Aug 29, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0661
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Compounds of formula (1) ##STR1## wherein A and B are identical or different alkyl, aralkyl or cycloalkyl groups or carbocyclic or heterocyclic aromatic radicals, R.sub.1 and R.sub.2 are hydrogen atoms or substituents which do not impart solubility in water, are particularly suitable as photoconductive substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.