Electrophotographic elements and soluble cyclic sulfone electron transport agents
US5618950A · kind A · utility
1Cited by
14References
14Claims
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Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0637
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A sulfone charge transport agent and a multilayered electrophotographic element in which at least one of said layers includes polymeric binder and the sulfone charge transport agent. The general structure of the charge transport agent is: ##STR1## R is alkyl or cycloalkyl having from 1 to about 10 carbons, or aryl or heteroaryl having a total of carbons and heteroatoms of from 6 to about 12. T is alkyl having from 1 to 4 carbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.