Gas separation: apparatus – Magnetic separating means
Patent
1974-10-23
1977-09-13
Kelley, Mary F.
Gas separation: apparatus
Magnetic separating means
96 1PE, 96 88, G03G 512, G03G 1324, G03C 100
Patent
active
040479471
ABSTRACT:
Process for preparation of transparencies from a solid phase dispersion of photoconductive particles in an insulating binder matrix. In this process, a dispersion is initially formed from an insulating polymer resin and an organoselenium compound capable of undergoing selective decomposition in response to an appropriate stimulus, whereby elemental selenium is extruded from said organoselenium compound and deposited within the polymeric resin. As a result of this deposition of elemental selenium within the insulating layer, the layer is rendered photoresponsive and can be used in conventional electrophotographic processes. Subsequent to the development and fusion of a developer image on this imaging member, the extrusion/deposition reaction can be reversed and the selenium deposit erased thus leaving a toner image fused to a substantially transparent polymeric film.
REFERENCES:
patent: 3671467 (1972-07-01), Gunther
patent: 3738831 (1973-07-01), Gunther
patent: 3900590 (1975-08-01), Dhoble
Polymer Hdbook, Brandrup & Immergut, Intersci. Publ., .COPYRGT. 1966, sec. III, pp. 70-73.
N.Y. Acad. of Sci. (vol. 192) NMR Studies: Lardon Apr. 17, 1972, pp. 132-147.
Chu Joseph Y. C.
Gunther Wolfgang H. H.
Falasco Louis
Faro John H.
Kelley Mary F.
O'Sullivan James P.
Ralabate James J.
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