Back to results
US 8,298,734 B2Granted
Electrophotographic photoreceptor, image forming method, image forming apparatus, and process cartridge
AssigneeRicoh Company, Ltd.
InventorsTomoyuki Shimada, Naohiro Toda, Yoshinori Inaba
Life of this patent
Estimating the term…
Abstract
An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer located overlying the conductive substrate. The photosensitive layer comprises a specific diamine compound.
Claims16
An electrophotographic photoreceptor, comprising:
- a conductive substrate;
- and
- a photosensitive layer located overlying the conductive substrate,
- wherein the photosensitive layer comprises a diamine compound having the following formula (1):
- wherein each of R1 and R2 independently represents a substituted or unsubstituted alkyl group or an aromatic hydrocarbon group, or R1 and R2 may share bond connectivity to form a substituted or unsubstituted heterocyclic group containing a nitrogen atom;
- Ar1 represents a substituted or unsubstituted divalent aromatic hydrocarbon group;
- and Ar2 represents a substituted or unsubstituted monovalent aromatic hydrocarbon group.
4 more elements
Dependencies are inferred from the claim text.