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Shigenori Hayashi, Shunpei Yamazaki: Image-forming member for electrophotography and manufacturing method for the same. Semiconductor Energy Laboratory, Sixbey Friedman Leedom & Ferguson, August 31, 1993: US05240801 (32 worldwide citation)

An image-forming member for electrophotography and a manufacturing method for the same and an electrostatic photocopying machine are disclosed. The image-forming member comprises an organic photoconductive layer formed on a conductive substrate and a protective layer formed on the organic photocondu ...


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Anthony M Horgan, Robert C Yu, Satchidanand Mishra, Richard L Post, Edward F Grabowski, Kathleen M Carmichael, John R Lambie: Imaging members. Xerox Corporation, Eugene O Palazzo, Fay Sharpe Fagan Minnich & McKee, April 25, 2006: US07033714 (31 worldwide citation)

An imaging member having a charge transport layer is provided. The charge transport layer includes a plurality of charge transport layers coated from solutions of similar or different compositions or concentrations, wherein the upper or additional transport layer(s) comprise a lower concentration of ...


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Teruyuki Mitsumori, Takayuki Shouda, Akiteru Fujii, Mikiko Sato: Electrophotographic photoreceptor. Mitsubishi Chemical Corporation, Oblon Spivak McClelland Maier & Neustadt P C, August 3, 1999: US05932384 (31 worldwide citation)

An electrophotographic photoreceptor having a photosensitive layer containing a charge generation material and a charge transport material on an electroconductive substrate, wherein the charge transport material has a polarizability .alpha. of the formula, .alpha.>100 (.ANG..sup.3) and a dipole mome ...


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William T Gruenbaum, Khe C Nguyen, Jeanne E Kaeding: Electrophotographic recording elements containing a combination of photoconductive perylene materials. Eastman Kodak Company, Alfred P Lorenzo, November 6, 1990: US04968571 (31 worldwide citation)

An electrophotographic recording element comprising a combination of photoconductive perylene materials that are dispersed in a binder to form layers having excellent photosensitivity and resistance to abrasion. The materials are perylene-3,4,9,10-tetracarboxylic acid imide derivatives that contain ...


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Akihiro Kondoh, Takatsugu Obata, Kazuya Ishida: Organic photoconductive material electrophotographic photoreceptor and image forming apparatus using the same. Sharp Kabushiki Kaisha, Nixon & Vanderhye P C, August 26, 2008: US07416824 (30 worldwide citation)

According to the present invention, an enamine compound having a specific structure is used as an organic photoconductive material. This enamine compound is obtained based on asymmetrical secondary naphtylamine which is readily available at a lowest price, by introducing phenyl groups containing sub ...


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Susan A Visser, Paul M Borsenberger: Photoconductive element having an outermost layer of a fluorinated diamond-like carbon and method of making the same. Eastman Kodak Company, Doreen M Wells, May 4, 1999: US05900342 (29 worldwide citation)

There is provided an electrophotographic element and method of making the electrophotographic element comprising a conductive support, a charge generation layer and a charge transport layer, said electrophotographic element having thereon a protective layer of a fluorinated diamond-like carbon where ...


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Tetsuro Suzuki, Tatsuya Niimi, Tomoyuki Shimada: Electrophotographic photoconductor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, December 29, 1998: US05853935 (29 worldwide citation)

An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon containing a polycarbonate resin with a triarylamine structure on the main chain and/or side chain thereof, which serves as a high-molecular weight charge transport material, and at lea ...


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Yasuo Suzuki, Jun Aoto, Takehiko Kinoshita: Electrophotographic photoconductor and electrophotographic image forming apparatus using the photoconductor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, October 24, 2000: US06136483 (28 worldwide citation)

An electrophotographic photoconductor including an electroconductive substrate, and a charge generating layer including a charge generating material and a charge transporting layer including a charge transporting material, which are overlaid and which are formed overlying one side of the electrocond ...


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Chiaki Tanaka, Nozomu Tamoto, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi, Akira Katayama, Mitsutoshi Anzai, Katsuhiro Morooka: Electrophotographic photoconductor and aromatic polycarbonate resin for use therein. Ricoh Company, Hodogaya Chemical, Oblon Spivak McClelland Maier & Neustadt P C, August 24, 1999: US05942363 (28 worldwide citation)

An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): wherein Ar.sup.1 to Ar.sup ...


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