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US 7,923,184 B2Granted
Photoconductors containing trimellitimide esters
AssigneeEastman Kodak Company
InventorsDavid S. Weiss, William T. Gruenbaum, John C. Wilson
Life of this patent
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Abstract
The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains trimellitimide esters additives.
Claims3
An electrophotographic element comprising:
- an electrically conductive support;
- a charge-generation layer sensitive to visible or infrared radiation;
- and
- a charge-transport layer containing a charge-transport material, and an additive having the formula:
- wherein
- R1 is alkyl or aryl,
- R2 is hydrogen, alkyl, alkoxy, aryloxy, aryl, halogen, cyano, carboxylic ester, acyl, perfluoroalkyl, or alkylsulfonyl.
4 more elements
Dependencies are inferred from the claim text.