Gas separation: apparatus – Magnetic separating means
Patent
1977-05-04
1978-09-19
Martin, Jr., Roland E.
Gas separation: apparatus
Magnetic separating means
96 16, G03G 506, G03G 504, G03G 514
Patent
active
041151160
ABSTRACT:
A photosensitive member having at least two electrically operative layers is disclosed. The first layer comprises a photoconductive layer which is capable of photogenerating holes and injecting photogenerated holes into a contiguous charge transport layer. The charge transport layer comprises an electrically inactive organic resinous material containing from about 15 to about 75 percent by weight of N,N'-diphenyl-N,N'-bis(phenylmethyl)-[1,1'-biphenyl]-4,4'-diamine. The charge transport layer while substantially non-absorbing in the spectral region of intended use is "active" in that it allows injection of photogenerated holes from the photoconductive layer, and allows these holes to be transported through the charge transport layer. This structure may be imaged in the conventional xerographic mode which usually includes charging, exposure to light and development.
REFERENCES:
patent: 3265496 (1966-08-01), Fox
patent: 3624226 (1970-03-01), Hoover et al.
patent: 3870516 (1975-03-01), Smith et al.
patent: 3928034 (1975-12-01), Regensburger
patent: 3963779 (1976-06-01), Tsukahara et al.
Pai Damodar M.
Stolka Milan
Yanus John F.
Goodrow John L.
Mahassel Albert A.
Martin Jr. Roland E.
O'Sullivan James P.
Ralabate James J.
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