.pi.-Deficient N-heteroaromatic chemical sensitizers for heterog

Details .pi.-Deficient N-heteroaromatic chemical sensitizers for heterog .pi.-Deficient N-heteroaromatic chemical sensitizers for heterog

1977-05-25

1978-10-10

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 15R, 96 16, G03G 504, G03G 509

Patent

active

041194608

ABSTRACT:
Photoconductive insulating compositions in the form of organic photoconductive dispersions are described. Particles of organic photoconductor such as p-terphenyl are dispersed in cellulose nitrate and chemically sensitized with .pi.-deficient N-heteroaromatic compounds such as quinoxalines to provide useful heterogeneous photoconductive insulating dispersions. Such dispersions can be applied to an electrically conducting support to prepare electrophotographic elements.

REFERENCES:
patent: 3152895 (1964-10-01), Tinker et al.
patent: 3279918 (1966-10-01), Cassiers et al.
patent: 3287123 (1966-11-01), Hoegl
patent: 3518082 (1970-06-01), Chiecchi
patent: 3607261 (1971-09-01), Amidon et al.
patent: 3870516 (1975-03-01), Smith et al.
patent: 3904407 (1975-09-01), Regensburger et al.
Albert, "Heterocyclic Chemistry, An Introduction," Chap. IV, U. of London), Athlone Press, 1959.

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