Polymer having stilbenquinone structure and...

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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C430S096000, C399S159000, C552S304000

Reexamination Certificate

active

07083883

ABSTRACT:
A polymer has stilbenquinone structures as a repetitive unit and an electrophotographic photoreceptor containing the polymer. More particularly, the polymer has an improved electro-transporting capacity in that precipitation does not occur even when the polymer is used as an electron transporter for an electrophotographic photoreceptor in a high concentration.

REFERENCES:
patent: 3397086 (1968-08-01), Bartfai
patent: 3484237 (1969-12-01), Shattuck et al.
patent: 3615414 (1971-10-01), Light
patent: 5013623 (1991-05-01), Itoh et al.
patent: 5176976 (1993-01-01), Kikuchi et al.
patent: 6228546 (2001-05-01), Kashizaki et al.
patent: 6573017 (2003-06-01), Azuma et al.
patent: 54-001633 (1979-01-01), None

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