Naphthoquinone derivative and electrophotographic...

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product

Reexamination Certificate

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C430S072000, C399S159000, C552S299000

Reexamination Certificate

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07060405

ABSTRACT:
A naphthoquinone derivative is utilized in an electrophotographic photoreceptor as an electron-transporting material. The electrophotographic photoreceptor is improved in terms of solubility in an organic solvent, compatibility with a binder resin, and electron transport capability.

REFERENCES:
patent: 5977389 (1999-11-01), Okada et al.
patent: 5994012 (1999-11-01), Watanabe et al.
patent: 6063534 (2000-05-01), Hamasaki
patent: 6797444 (2004-09-01), Itami
patent: 2000-314969 (2000-11-01), None
Japanese Patent Office Action for corresponding Japanese Patent application No. 2004-33856 dated Oct. 17, 2005.

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