Biphenyl compounds and electrophotographic photoconductor compri

Details Biphenyl compounds and electrophotographic photoconductor compri Biphenyl compounds and electrophotographic photoconductor compri

1989-09-19

1991-02-12

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 72, 430 73, 430 59, 564309, G03G 506, C07C21100

Patent

active

049923501

ABSTRACT:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising as an effective component at least one biphenyl compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represent an alkyl group which may have a substituent, an alkoxyl group which may have a substituent, or an aryl group which may have a substituent, provided that at least one of R.sup.1 and R.sup.2 represents an unsubstituted or substituted aryl group. Furthermore, charge transporting materials comprising the above biphenyl compound and novel biphenyl compounds having formula (II) for use in the electrophotographic photoconductor are disclosed.

REFERENCES:
patent: 3959364 (1976-05-01), Armitage et al.
patent: 4833054 (1989-05-01), Akasaki et al.
patent: 4869988 (1989-09-01), Ong et al.
patent: 4898800 (1990-02-01), Shimada et al.

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