Photoconductive insulating films comprising fluorenone-substitut

Details Photoconductive insulating films comprising fluorenone-substitut Photoconductive insulating films comprising fluorenone-substitut

1975-10-29

1977-12-20

Kimlin, Edward C.

Gas separation: apparatus

Magnetic separating means

96 16, 252501, G03G 504

Patent

active

040639479

ABSTRACT:
Composite photoconductive insulating films comprising a thin layer of photoconductive materials having substantial spectral response in the visible region of the electromagnetic spectrum and a substantially colorless insulating layer contiguous therewith comprising a minor portion of electronically inert binder in a major portion of an electronically active oligomer of the formula: ##STR1## R' is hydrogen or methyl; R" is alkyl of 1-10 carbon atoms;

REFERENCES:
patent: 3307940 (1967-03-01), Hoegl et al.
patent: 3752668 (1973-08-01), Baltazzi
patent: 3864126 (1975-02-01), Nishide et al.
patent: 3867140 (1975-02-01), Hashimoto
patent: 3871883 (1975-03-01), Hashimoto

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