Electrophotographic recording material containing selected dithioke topyrrolopyrroles
US4632893A · kind A · utility
14Cited by
1References
4Claims
0Family size
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Key dates
| Filing date | Dec 31, 1985 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Dec 31, 2005 |
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.