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Liang Bih Lin, Jin Wu, Geoffrey M T Foley, Yonn K Rasmussen: Photoconductive imaging members. Xerox Corporation, Eugene O Palazzo, December 25, 2007: US07312007 (24 worldwide citation)

A photoconductive member containing a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer contains a metallic component like a titanium oxide and a polymeric binder.


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Robert C U Yu, Geoffrey M T Foley, Satchidanand Mishra, Richard L Post, Yonn K Rasmussen, John F Yanus, Neil S Patterson: Photoreceptor with improved charge blocking layer. Xerox Corporation, December 13, 1994: US05372904 (17 worldwide citation)

An electrophotographic imaging member comprising a substrate having an electrically conductive metal oxide surface, a hole blocking layer and at least one electrophotographic imaging layer, the hole blocking layer comprising a reaction product of


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Yonn K Rasmussen, Geoffrey M T Foley, Richard L Post, Robert C U Yu, Satchidanand Mishra, John F Yanus: Multilayered photoreceptor using a roughened substrate and method for fabricating same. Xerox Corporation, Oliff & Berridge, June 3, 1997: US05635324 (13 worldwide citation)

A photoreceptor and method eliminate interference-fringe print defect due to interference effects caused by reflected beams from various interfaces in a multilayered photoreceptor. The substrate surface is formed with specific dimensions so as to enable the coating of the substrate with an undercoat ...


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Robert C U Yu, Geoffrey M T Foley, Richard L Post, William W Limburg, Youti Kuo, Donald C Von Hoene, Satchidanand Mishra, David H Pan, Yonn K Rasmussen, Dale S Renfer, John F Yanus, Richard L Schank: Imaging process using flexible electrostatographic imaging member. Xerox Corporation, February 25, 1997: US05606396 (11 worldwide citation)

An electrostatographic imaging process is disclosed which includes providing a flexible electrostatographic, particularly electrophotographic, imaging belt including a substrate layer, a charge generating layer, charge transport layer, and two parallel longitudinal edges, the imaging belt having a c ...


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Yonn K Rasmussen, Larry Sciarratta, Ronald T Kosmider: Liquid honing process and composition for interference fringe suppression in photosensitive imaging members. Xerox Corporation, Oliff & Berridge, November 12, 1996: US05573445 (10 worldwide citation)

A process for producing an electrophotographic photoreceptor having a roughened substrate surface by wet honing the substrate surface with a composition including deionized water and substantially spherical glass beads. The process produces a photoreceptor substrate that eliminates interference frin ...


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John S Chambers, Huoy Jen Yuh, James M Markovics, Yonn K Rasmussen: Charge generation layers comprising pigment mixtures. Xerox Corporation, Oliff & Berridge, March 2, 1999: US05876887 (8 worldwide citation)

An electrophotographic imaging member has a support, and at least one photoconductive layer having from about 90% by weight to about 10% by weight of the photoconductive particles of a photosensitive substituted perylene pigment, and, correspondingly, from about 10% by weight to about 90% by weight ...


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Jin Wu, John F Yanus, Satish R Parikh, Anthony M Horgan, Kent J Evans, Geoffrey M T Foley, Satchidanand Mishra, Markus R Silvestri, J Robinson Cowdery Corvan, David M Skinner, Edward F Grabowski, Kathleen M Carmichael, Yonn K Rasmussen, Donald J Goodman, Liang Bih Lin: Titanyl phthalocyanine photoconductors. Xerox Corporation, February 3, 2009: US07485398 (7 worldwide citation)

A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component wherein the at least one charge transport component is comprised of aryl amine molecules of the formula wherein X and Y ...


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Jin Wu, Geoffrey M T Foley, Satchidanand Mishra, Liang bih Lin, Anthony M Horgan, Yonn K Rasmussen, Kathleen M Carmichael, Edward F Grabowski: Electrophotographic imaging member undercoat layers. Xerox Corporation, Marylou J Lavole Esq, March 3, 2009: US07498109 (4 worldwide citation)

An imaging member including a substrate; a charge generation layer positioned on the substrate; at least one charge transport layer positioned on the charge generation layer; and an undercoat layer positioned on the substrate on a side opposite the charge generation layer, the undercoat layer compri ...


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Jin Wu, Satchidanand Mishra, Kathleen M Carmichael, Anthony M Horgan, Kent J Evans, Geoffrey M T Foley, Yonn K Rasmussen, Edward F Grabowski, Liang Bih Lin: Titanyl phthalocyanine photoconductors. Xerox Corporation, E O Palazzo, June 30, 2009: US07553593 (2 worldwide citation)

A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the photogenerating layer contains a titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution comprising a trih ...