Shattuck Meredith David, Weiche William Joseph: Photoconductor overcoated with triarylpyrazoline charge transport layer. International Business Machines Corporation, Walsh Joseph G, September 24, 1974: US3837851 (115 worldwide citation)

Electrophotographic plates are provided having a charge generation layer and a separate charge transport layer comprising a tri-aryl pyrazoline compound having the formula: ##SPC1##Wherein n is zero or one, and A, A.sup.1 and A.sup.2 are each aryl radicals.

Brantly Thomas B, Contois Lawrence E, Fox Charles J: Photoconductive elements containing as photoconductors triarylamines substituted by active hydrogen-containing groups. Eastman Kodak Company, April 25, 1972: US3658520 (89 worldwide citation)

Triarylamines having at least one of the aryl radicals substituted by an active hydrogen-containing group are good organic photoconductors in electrophotographic systems.

Hoffmann Gerhard Dr, Graser Fritz Dr, Leyrer Reinhold J Dr: Electrophotographic recording material.. BASF, September 29, 1982: EP0061092-A1 (79 worldwide citation)

Die Erfindung betrifft elektrophotographische Aufzeichnungsmaterialien, im wesentlichen bestehend aus einem elektrisch leitfähigen Trägermaterial und einer photohalbleitenden Doppelschicht aus einer ersten Ladungsträger erzeugende Farbstoffe enthaltenden Schicht und einer zweiten, mindestens eine im ...

Byrne John F: Electrophotographic element containing phthalocyanine. Xerox Corporation, June 11, 1974: US3816118 (69 worldwide citation)

An electrophotographic plate comprising phthalocyanine pigment dispersed in a binder material is disclosed. Methods of preparing and using said plate in electrophotographic processes are also disclosed.

Light William A: Photoconductive compositions and elements and method of preparation. Company Eastman Kodak, October 26, 1971: US3615414 (65 worldwide citation)

Multiphase heterogeneous compositions are formed from an organic dye and electrically insulating polymeric material. A solution of dye and polymer is prepared and subsequently treated, for example, by exposure of a coating thereof to a solvent to form the heterogeneous compositions. These compositio ...

Saeva Franklin Donald C O East, Breslin David Thomas C O Eastm: Novel onium salts and the use thereof as photoinitiators.. Eastman Kodak Co, May 30, 1990: EP0370693-A2 (54 worldwide citation)

Sulfonium, arsonium, ammonium and sphosphonium salts, useful as photoinitiators, comprise: a chromophore which absorbs visible radiation, the chromophore (1) having a removable positive hydrogen ion and (2) exhibiting a higher energy occupied molecular orbital than at least one other substituent att ...


Uematsu Hironori, Maruyama Akio, Kikuchi Norihiro: Electrophotographic photoreceptor, process cartridge, electrophotographic device and production of electrophotographic photoreceptor. Canon, March 3, 2000: JP2000-066425 (45 worldwide citation)

PROBLEM TO BE SOLVED: To obtain an electrophotographic photoreceptor excellent in deposition, wear and scuffing resistances, having very good electrophotographic characteristics such as sensitivity and residual potential and capable of exhibiting stable performance even in repetitive use and to obta ...

Regensburger Paul J, Jakubowski James J: Xerographic plate containing photoinjecting perylene pigments. Xerox Corporation, Ralabate James J, O Sullivan James P, MacKay Donald M, September 9, 1975: US3904407 (45 worldwide citation)

An electrophotographic plate having a photoreceptor comprising a photoinjecting pigment selected from the class of perylene pigments and an active transport material which is substantially transparent in the wavelength region of xerographic use and capable of supporting charge carrier injection from ...

Sekiya Michiyo, Kikuchi Norihiro, Maruyama Akio, Amamiya Shoji, Uematsu Hironori, Tanaka Hiroyuki, Ochi Atsushi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, June 22, 2001: JP2001-166519 (42 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electorphotographic photoreceptor which is good in sensitivity in spite of formation of a protective layer, is little in an increase of residual potential and small in potential fluctuation by environment at change and makes it possible obtain stable electrophotog ...