1,1' Biphenyl 4,4' Diamine (e.g., Benzidine, Etc.) Patents (Class 430/58.8)
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Patent number: 7468229Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl thioether of the formula wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is a number of from about 1 to about 10; and wherein a thiophosphate is contained in the photogenerating layer.Type: GrantFiled: June 15, 2006Date of Patent: December 23, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Publication number: 20080311497Abstract: A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer comprises a metal oxide, an electron donor electron acceptor charge transfer complex; a photogenerating layer; and at least one charge transport layer.Type: ApplicationFiled: June 18, 2007Publication date: December 18, 2008Applicant: Xerox CorporationInventors: Jin Wu, Linda L. Ferrarese, Marc J. Livecchi, Lin Ma, John J. Wilbert, Lanhui Zhang
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Publication number: 20080305416Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, at least one charge transport layer comprised of at least one charge transport component and needle shaped particles with an aspect ratio of, for example, from 2 to about 200.Type: ApplicationFiled: June 11, 2007Publication date: December 11, 2008Inventors: Jin Wu, Daniel V. Levy, Liang-Bih Lin, Lin Ma
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Publication number: 20080305415Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, at least one charge transport layer comprised of at least one charge transport component, and an overcoating layer in contact with and contiguous to the top charge transport layer, and which overcoating is comprised of a polymer, an optional overcoating charge transport component, and needle shaped particles with an aspect ratio of from 2 to about 200.Type: ApplicationFiled: June 11, 2007Publication date: December 11, 2008Inventors: Jin Wu, Daniel V. Levy, Liang-Bih Lin, Lin Ma
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Patent number: 7462431Abstract: Photogenerating layers of photoreceptors are provided utilizing a photogenerating component/resin dispersion formed in a low boiling point solvent.Type: GrantFiled: May 12, 2005Date of Patent: December 9, 2008Assignee: Xerox CorporationInventors: Cindy C. Chen, Lanhui Zhang, Nancy Lynn Belknap, Ed J. Radigan
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Patent number: 7462432Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl thioether of the formula wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, aryl, alkoxy, and halogen; n is a number of from about 1 to about 10; and a thiophosphate.Type: GrantFiled: June 15, 2006Date of Patent: December 9, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Publication number: 20080299474Abstract: A high quality hole transport material of a substituted biphenyl diamine, such as N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, where each X is independently selected from —H, alkyl(-CnH2n+1), where n is from 1 to about 10 such as from 1 to about 5 or from 1 to about 6, aralkyl and aryl groups, the aralkyl and aryl groups having, for example, from about 5 to about 30, such as about 6 to about 20 carbon atoms, where the purity of the hole transport material is from about 80 percent to about 100 percent, and when incorporated into a photoreceptor, the photoreceptor discharges from about 85% to about 100% of its surface potential in from 0 to about 40 milliseconds upon being subjected to xerographic charging and exposure to radiant energy of from about 1 ergs/cm2 to about, 5 ergs/cm2. Also disclosed is a photoreceptor containing the same.Type: ApplicationFiled: May 31, 2007Publication date: December 4, 2008Applicant: XEROX CORPORATIONInventors: Gregory MCGUIRE, Jennifer A. COGGAN, Hany AZIZ, Johann JUNGINGER, Nan-Xing HU, Ah-Mee Hor
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Patent number: 7459250Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is a suitable number of from about 1 to about 10.Type: GrantFiled: June 15, 2006Date of Patent: December 2, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin
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Publication number: 20080286670Abstract: A photoconductor that includes an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the charge transport layer contains a phenolic chelating additive.Type: ApplicationFiled: May 18, 2007Publication date: November 20, 2008Inventors: Jin Wu, Kent J. Evans, Sherri A. Colon, Dale S. Renfer
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Patent number: 7452643Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is a number of from about 1 to about 10; and wherein a thiophosphate is contained in the photogenerating layer.Type: GrantFiled: June 15, 2006Date of Patent: November 18, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Publication number: 20080280222Abstract: The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging member having a specific photoreceptor material package comprising an undercoat layer, a charge generation layer comprising a single pigment in binder and having a narrow particle separation distance of the pigment particles, a long life charge transport layer, and an optional overcoat layer.Type: ApplicationFiled: February 20, 2008Publication date: November 13, 2008Applicant: XEROX CORPORATIONInventors: Nancy L. Belknap, Lanhui Zhang, Kathryn A. Wallace, Jodie L. Watson
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Publication number: 20080274419Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the photogenerating layer contains a photogenerating pigment or pigments, and a bis(pyridyl)alkylene.Type: ApplicationFiled: May 4, 2007Publication date: November 6, 2008Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Sherri A. Colon
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Publication number: 20080274418Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the charge transport layer contains a charge blocking agent, such as a benzoimidazole.Type: ApplicationFiled: May 4, 2007Publication date: November 6, 2008Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Marc J. Livecchi
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Patent number: 7445876Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer of at least one charge transport component, at least one C-ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and the sum of n plus m (n+m) is from about 1 to about 10, and an optional antioxidant; and wherein a thiophosphate is contained in the photogenerating layer.Type: GrantFiled: June 15, 2006Date of Patent: November 4, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Publication number: 20080268356Abstract: 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, and wherein the photogenerating layer contains a Type V hydroxygallium phthalocyanine having incorporated therein a silanol.Type: ApplicationFiled: April 27, 2007Publication date: October 30, 2008Inventors: Jin Wu, Francisco J. Lopez, Linda L. Ferrarese, Liang-Bih Lin
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Publication number: 20080241720Abstract: A photoconductor that contains a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer includes a polymer and needle shaped particles with an aspect ratio of from 2 to about 200.Type: ApplicationFiled: March 29, 2007Publication date: October 2, 2008Inventors: Jin Wu, Daniel V. Levy, Liang-Bih Lin, Lin Ma, Ryan J. Ehmann
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Publication number: 20080241721Abstract: A photoconductor containing a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which layer contains a semi-penetrating polymer network formed from crosslinking a suitable fluoropolymer, and within which network structure is penetrated with a polycarbonate.Type: ApplicationFiled: March 29, 2007Publication date: October 2, 2008Inventors: Huoy-Jen Yuh, Robert C U Yu, Yuhua Tong, David M. Skinner
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Publication number: 20080233502Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, at least one charge transport layer, and an overcoating layer in contact with and contiguous to the charge transport layer, and which overcoating layer includes a fluoroalkyl ester, and a polymer.Type: ApplicationFiled: March 23, 2007Publication date: September 25, 2008Inventors: Jin Wu, Steven D. Bush, Joseph A. Tumminelli, Lanhui Zhang, Lin Ma, Sherri A. Colon, John J. Wilbert
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Publication number: 20080233503Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester.Type: ApplicationFiled: March 23, 2007Publication date: September 25, 2008Inventors: Jin Wu, Steven D. Bush, Joseph A. Tumminelli, Marc J. Livecchi, Linda L. Ferrarese, Michael A. Morgan, Lanhui Zhang, Lin Ma, John J. Wilbert, Daniel V. Levy, Liang-Bih Lin
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Publication number: 20080233501Abstract: A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: March 23, 2007Publication date: September 25, 2008Inventors: Jin Wu, Ryan J. Ehmann, Lanhui Zhang, Lin Ma, Liang-Bih Lin, Daniel V. Levy
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Publication number: 20080220349Abstract: A photoconductor containing a supporting substrate; an undercoat layer comprised of a mixture of an aminosilane and a halogenated polymer; a photogenerating layer; and at least one charge transport layer.Type: ApplicationFiled: March 6, 2007Publication date: September 11, 2008Inventors: Jin Wu, Satchidanand Mishra, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Michael A. Morgan, Kathleen M. Carmichael, Edward F. Grabowski, Liang-Bih Lin
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Publication number: 20080220350Abstract: A photoconductor containing a substrate; an undercoat layer thereover wherein the undercoat layer includes an electroconducting component dispersed in a rapid curing polymer matrix; a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: March 6, 2007Publication date: September 11, 2008Inventors: Jin Wu, Dennis J. Prosser, Satchidanand Mishra, Liang-Bih Lin, Daniel V. Levy, Lin Ma
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Publication number: 20080220351Abstract: A photoconductor containing a supporting substrate, a photogenerating layer; and at least one charge transport layer where the photogenerating layer contains a photogenerating pigment and a chelating additive or agent of, for example, a ?-diketone, a ketoester, a hydroxyl carboxylic acid, a hydroxyl carboxylic acid ester, a keto alcohol, or an amino alcohol.Type: ApplicationFiled: March 6, 2007Publication date: September 11, 2008Inventors: Jin Wu, Kent J. Evans, Dennis J. Prosser, Liang-Bih Lin, Raymond K. Crandall
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Patent number: 7410738Abstract: A photoconductive imaging member containing an optional supporting substrate, an optional hole blocking layer thereover, a photogenerating layer and a charge transport layer, and wherein the charge transport layer contains a phenol of, for example, the alternative formulasType: GrantFiled: February 10, 2004Date of Patent: August 12, 2008Assignee: Xerox CorporationInventors: John F. Yanus, Kenny-Tuan T. Dinh, Markus R. Silvestri, H. Bruce Goodbrand, M. John Hinckel, Dale S. Renfer, Yuhua Tong
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Publication number: 20080176156Abstract: A composition for use in a charge transport layer of an organic photo conductor is provided. The composition includes: (a) a mixture of N,N?-Bis(3-methylphenyl)-N,N?-diphenyl-benzidine (Compound I), 4-((N,N-diphenylamino)-4?-(N-(3-methylphenyl)-N-phenylamino)-biphenyl (Compound II) and N,N,N?,N?-tetraphenylbenzidine (Compound III); and (b) Compound IV of the formula (IV): where, R1 and R2 independently denote C1-C4-alkyl group or C1-C4-alkoxy group, and wherein the weight ratio of Compound IV to combined Compound I, Compound II and Compound III is in a range from 1/5 to 5.Type: ApplicationFiled: March 27, 2007Publication date: July 24, 2008Applicant: TUBE SMITH Technology CO., LTD.Inventors: Fu-Shing Wang, Ming-Feng Hsu
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Publication number: 20080176155Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the photogenerating layer contains an alkyltriol, such as glycerol, and a photogenerating pigment, such as a Type V titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution of a trihaloacetic acid and an alkylene halide; adding the mixture comprising the dissolved Type I titanyl phthalocyanine to a solution of an alcohol and an alkylene halide thereby precipitating a Type Y titanyl phthalocyanine; and treating the Type Y titanyl phthalocyanine with a monohalobenzene.Type: ApplicationFiled: January 23, 2007Publication date: July 24, 2008Inventors: Cuong Vong, Ah-Mee Hor
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Patent number: 7390601Abstract: A photoconductive imaging member is provided comprising a substrate, an optional hole blocking layer, a charge generation layer, and a charge transport layer. The charge generation layer includes a charge generating material and a binder, wherein the binder comprises an electron transport material chemically attached to a polymeric binder material.Type: GrantFiled: June 16, 2005Date of Patent: June 24, 2008Assignee: Xerox CorporationInventors: Jin Wu, Yuhua Tong, Linda L. Ferrarese, John J. Wilbert, Edward C. Savage, Liang-Bih Lin
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Publication number: 20080138726Abstract: A photoconductor that includes a photogenerating layer, and at least one charge transport layer where the photogenerating layer contains a titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution comprising a trihaloacetic acid and an alkylene halide; adding the resulting mixture of the dissolved Type I titanyl phthalocyanine to a solution of an alcohol and an alkylene halide thereby precipitating a Type Y titanyl phthalocyanine; and treating the Type Y titanyl phthalocyanine with a monohalobenzene, and wherein the photogenerating layer is prepared from a dispersion of the titanyl phthalocyanine Type V and a chlorinated solvent of at least one of a dichloroethane and a dichloropropane.Type: ApplicationFiled: November 20, 2006Publication date: June 12, 2008Inventors: Cuong Vong, Ah-Mee Hor
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Publication number: 20080131799Abstract: An imaging member including a substrate; thereover a charge generating layer; thereover a first charge transport layer comprising a small molecule charge transport material and a polymeric component selected from the group consisting of polyarylamine polyester, polyacylamine, and mixtures and combinations thereof; and a second charge transport layer disposed over the first charge transport layer, the second charge transport layer comprising a small molecule charge transport material and a binder, wherein the second charge transport layer is free of polyarylamine polyester and polyacylamine.Type: ApplicationFiled: December 1, 2006Publication date: June 5, 2008Inventors: David M. Skinner, John F. Yanus, Markus R. Silvestri, M. John Hinckel, Kenny-Tuan T. Dinh, Susan VanDusen, Satish Parikh, J. Robinson Cowdery-Corvan
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Publication number: 20080124640Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and a charge transport layer which includes a mixture of a polyhedral oligomeric silsesquioxane (POSS)-containing material and a thiophosphate.Type: ApplicationFiled: November 28, 2006Publication date: May 29, 2008Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Liang-Bih Lin
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Publication number: 20080107982Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer; and wherein the photogenerating layer is comprised of at least one photogenerating pigment and a resin binder that is substantially insoluble in an alkylene halide like methylene chloride.Type: ApplicationFiled: November 7, 2006Publication date: May 8, 2008Inventors: Jin Wu, Satchidanand Mishra, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Michael A. Morgan, Kathleen M. Carmichael, Edward F. Grabowski, Liang-Bih Lin
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Publication number: 20080107983Abstract: A photoconductor containing a thiophosphate photogenerating layer, and at least one charge transport layer, and a top polymeric overcoating layer in contact with and contiguous to a charge transport layer.Type: ApplicationFiled: November 7, 2006Publication date: May 8, 2008Inventors: John F. Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan, Kathleen M. Carmichael
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Patent number: 7358015Abstract: Plasticizers in a charge transfer layer to reduce surface cracking and crazing having a hydrocarbon chain, attached to a hindered phenol containing triazole or triazine moiety. Plasticizers found useful for this application can be used in a concentration (by weight of the charge transfer layer) in the order of magnitude of 10% to about 25%. The plasticizer additive may also be used in combination with other known plasticizers such as those containing a 2-ethylhexyl group.Type: GrantFiled: June 3, 2005Date of Patent: April 15, 2008Assignee: Lexmark International, Inc.Inventors: Mark Thomas Bellino, Catherine Mailhé Randolph, Kasturi Rangan Srinivasan
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Patent number: 7348114Abstract: A photoconductive imaging member containing a photogenerating layer, and a charge transport layer containing a binder and a polyol ester.Type: GrantFiled: May 11, 2005Date of Patent: March 25, 2008Assignee: Xerox CorporationInventors: Jin Wu, Cindy C. Chen, Robert P. Altavela, Liang-Bih Lin
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Publication number: 20080070136Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer comprised, for example, of a phenolic resin containing a phenolic charge transport component.Type: ApplicationFiled: September 15, 2006Publication date: March 20, 2008Inventors: Nan-Xing Hu, Yvan Gagnon, Ah-Mee Hor
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Patent number: 7344809Abstract: 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 charge transport compound than the first (bottom) charge transport layer. The charge transport compound included in the first (bottom) charge transport layer may either be the same or different from that included in the additional charge transport layers. The charge transport compound in one or more of the layers is dissolved or molecularly dispersed in an electrically inactive polymer material to form a solid solution. In such a construction, the resulting charge transport layer exhibits enhanced cracking suppression, improves wear resistance, provides excellent imaging member electrical performance, and delivers improved print quality.Type: GrantFiled: November 16, 2006Date of Patent: March 18, 2008Assignee: Xerox CorporationInventors: Anthony M. Horgan, Robert C. U. Yu, Satchidanand Mishra, Richard L. Post, Edward F. Grabowski, Kathleen M. Carmichael, John R. Lambie, Houy Jen Yuh, Timothy J. Fuller, John F. Yanus, Markus R. Silvestri, Yuhua Tong, Dale Renfer, Kenny-Tuan Tran Dinh, Geoffrey M.T. Foley
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Publication number: 20080057427Abstract: An electrophotographic photoreceptor is disclosed, comprising on an electrically conductive support an intermediate layer, a charge generation layer and a charge transport layer in this order, wherein the charge transport layer contains a charge transport material represented by formula (1) and a compound represented by formula (2) and the content of the compound represented by formula (2) is not less than 100 ppm and not more than 5000 ppm.Type: ApplicationFiled: July 19, 2007Publication date: March 6, 2008Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Tomoo SAKIMURA, Masahiro ISHIE, Shinichi YABUKI, Hidaya MIWA
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Publication number: 20080057425Abstract: A photoconductor containing an optional supporting substrate, a perylene silanol photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: August 30, 2006Publication date: March 6, 2008Inventors: Jin Wu, Nancy L. Belknap, Liang-Bih Lin
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Publication number: 20080057428Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer thereover, and at least one charge transport layer, and wherein the photogenerating layer contains a chelating agent, and a Type V titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution comprising a trihaloacetic acid and an alkylene halide; adding the mixture comprising the dissolved Type I titanyl phthalocyanine to a solution comprising an alcohol and an alkylene halide thereby precipitating a Type Y titanyl phthalocyanine; and treating the Type Y titanyl phthalocyanine with a monohalobenzene.Type: ApplicationFiled: August 30, 2006Publication date: March 6, 2008Inventors: Jin Wu, John S. Chambers, Francisco J. Lopez, Daniel V. Levy, Liang-Bih Lin
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Publication number: 20080057426Abstract: A photoconductor containing a photogenerating layer, at least one charge transport layer, and a layer in contact with the charge transport layer comprised of a suitable polymer, and wherein the charge transport layer comprises molecules of the formula/structure wherein X represents alkyl.Type: ApplicationFiled: August 30, 2006Publication date: March 6, 2008Inventors: Gregory McGuire, Jennifer A. Coggan, Johann Junginger, Nan-Xing Hu, Ah-Mee Hor
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Publication number: 20080032217Abstract: A photoconductor containing a substrate, a layer thereover wherein the layer comprises, for example, a polyol resin, an aminoplast resin, an ester of phosphoric acid adhesion component, and a metal oxide; and at least one imaging layer of, for example, a photogenerating layer and a charge transport layer formed on the polyol resin containing layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Jin Wu, Daniel V. Levy, Robert W. Hedrick, Liang-Bih Lin
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Publication number: 20080032221Abstract: A photoconductor containing a substrate, an undercoat layer thereover comprising a polyol resin, an aminoplast resin, a polyarylate, a siloxane modified polyarylate, an epoxy modified polyarylate, or a urethane modified polyarylate, or an amine modified polyarylate, and a metal oxide; a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Francisco J. Lopez
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Publication number: 20080032219Abstract: A photoconductor containing a substrate, an undercoat layer thereover comprising a resin mixture of, for example, a polyol resin, and an aminoplast resin, and a polyester, and a metal oxide; a photogenerating layer and at least one, such as 1 to about 4, charge transport layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Francisco J. Lopez
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Publication number: 20080032216Abstract: A photoconductor containing a substrate, an undercoat layer thereover wherein the undercoat layer includes, for example, a polyol resin, an aminoplast resin, a polymeric phosphate ester adhesion component, and a metal oxide; and at least one imaging layer, such as a photogenerating and charge transport layer, formed on the undercoat layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Daniel V. Levy, Jin Wu, Liang-Bih Lin, Francisco J. Lopez
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Publication number: 20080032218Abstract: A photoconductor containing a substrate, an undercoat layer thereover comprising a polymeric resin, a silanol, and a metal oxide; and a photogenerating layer; and at least one charge transport layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Jin Wu, Daniel V. Levy, Geoffrey M.T. Foley, Liang-Bih Lin
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Publication number: 20080032220Abstract: A photoconductor containing a substrate, a layer thereover, which layer contains, for example, a polyol resin, an aminoplast resin, a silicone free polyester, and a metal oxide dispersed therein; and at least one imaging layer formed on the polyol resin containing layer.Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Daniel V. Levy, Jin Wu, Liang-Bih Lin, Francisco J. Lopez
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Publication number: 20080020306Abstract: An electrophotographic imaging member includes a substrate, a charge generating layer, and a charge transport layer, where the charge generating layer includes a photogenerating material, a film-forming polymer binder, and a glycol compound having two hydroxyl groups bonded to adjoining carbon atoms in the carbon chain.Type: ApplicationFiled: July 19, 2006Publication date: January 24, 2008Applicant: XEROX CORPORATIONInventors: Cuong VONG, Ah-Mee HOR
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Publication number: 20080020307Abstract: An electrophotographic imaging member includes a substrate, a charge generating layer, and a charge transport layer, where the charge generating layer includes a photogenerating material and a hydroxyl group-containing polymeric compound.Type: ApplicationFiled: July 19, 2006Publication date: January 24, 2008Applicant: XEROX CORPORATIONInventors: Cuong VONG, Ah-Mee HOR
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Publication number: 20080008948Abstract: An imaging member including a substrate; thereover a charge generation layer comprising a thiophosphate; and at least one charge transport layer positioned on the charge generation layer.Type: ApplicationFiled: July 6, 2006Publication date: January 10, 2008Inventors: Jin Wu, Geoffrey M.T. Foley, Satchidanand Mishra, Liang-bih Lin, Anthony M. Horgan, Yonn K. Rasmussen, Kathleen M. Carmichael, Edward F. Grabowski, Markus Rudolf Silvestri
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Publication number: 20080008951Abstract: An imaging member including a substrate; an optional undercoat layer; a charge generating layer comprising photoconductive pigment and a pigment sensitizing dopant having an electron acceptor molecule; and a charge transport layer.Type: ApplicationFiled: July 6, 2006Publication date: January 10, 2008Inventors: Jin Wu, John J. Wilbert, Linda L. Ferrarese, Liang-bih Lin