Organic photoconductive members comprising dicyanomethylene subs

Details Organic photoconductive members comprising dicyanomethylene subs Organic photoconductive members comprising dicyanomethylene subs

1976-04-01

1978-02-28

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 1PC, 96 16, G03G 506, G03G 1322

Patent

active

RE0295540

ABSTRACT:
Organic photoconductive systems which employ organic polymers containing aromatic or heterocyclic nuclei are combined with amounts of .pi. acid type additives for the purpose of extending the spectral response to the visible portion of the spectrum. The sensitizing compounds are dicyanomethylene substituted fluorenes which are added in an amount expressed in moles of sensitizer per 100 moles of the organic photoconductor calculated as the monomer. The amount of sensitizer to be added may range from 0.1 to about 100 moles per 100 moles of organic photoconductor based on the molecular weight of the monomer.

REFERENCES:
patent: 3159483 (1967-12-01), Behmenberg et al.
patent: 3232755 (1966-01-01), Hoegl et al.
patent: 3257207 (1966-06-01), Schlesinger et al.
patent: 3287119 (1966-11-01), Hoegl
patent: 3408190 (1968-10-01), Mammino

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