1,1' Biphenyl 4,4' Diamine (e.g., Benzidine, Etc.) Patents (Class 430/58.8)
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Patent number: 7960082Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.Type: GrantFiled: November 27, 2007Date of Patent: June 14, 2011Assignee: Xerox CorporationInventors: Hany Aziz, Kathy L. De Jong, Nan-Xing Hu, Jennifer A. Coggan, Johann Junginger, Ah-Mee Hor
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Patent number: 7955769Abstract: Embodiments of a photoconductor for use in a printer or printer cartridge comprise an electrically conductive substrate, a charge generation layer disposed over the electrically conductive substrate, and a charge transport layer disposed over the charge generation layer, wherein the charge transport layer comprises charge transport molecules with octyl/decyl glycidyl ether (OGE) or dodecyl/tetradecyl glycidyl ether (DGE), or combinations thereof, added to improve resistance to crazing, cracking and crystallization in the change transport layer.Type: GrantFiled: February 12, 2008Date of Patent: June 7, 2011Assignee: Lexmark International, Inc.Inventors: David Glenn Black, James Alan Hartman, Ronald Harold Levin, Weimei Luo, Dat Quoc Nguyen, Tanya Yvonne Thames
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Publication number: 20110129769Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of an ozone quenching compound into the charge transport layer to quench the corona effluents and protect the polycarbonate binder of the charge transport layer from being attacked by ozone species, thereby enhancing wear resistance and fatigue cracking.Type: ApplicationFiled: November 30, 2009Publication date: June 2, 2011Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Stephen T. Avery, Jimmy E. Kelly
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Patent number: 7951514Abstract: A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer 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 is comprised of a polysiloxane/polyetherimide copolymer.Type: GrantFiled: May 30, 2008Date of Patent: May 31, 2011Assignee: Xerox CorporationInventor: Jin Wu
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Patent number: 7947417Abstract: A process for preparing a high sensitivity titanyl phthalocyanine (TiOPc) pigment includes dissolving a Type I TiOPc in a suitable solvent, precipitating an intermediate TiOPc pigment by quenching the solution comprising the dissolved Type I TiOPc in a solvent system comprising an alcohol and alkylene chloride such as, for example, methylene chloride, and treating the intermediate TiOPc pigment with monochlorobenzene. The resultant TiOPc pigment, which is designated as a Type V TiOPc, is suitable for use as a charge generating material in a photoreceptor of an imaging device.Type: GrantFiled: November 18, 2004Date of Patent: May 24, 2011Assignee: Xerox CorporationInventors: Jin Wu, Liang-Bih Lin, Ah-Mee Hor, Roger E. Gaynor, Justin F. Galloway
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Patent number: 7943276Abstract: Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in contact with the photogenerating layer, the charge transport layer comprising a charge transport material, an organic phosphite or organic phosphonite antioxidant, and a hydroquinone antioxidant, wherein the photogenerating layer is situated between the charge transport layer and the conductive substrate.Type: GrantFiled: December 11, 2008Date of Patent: May 17, 2011Assignee: Xerox CorporationInventors: Gregory McGuire, Ah-Mee Hor
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Publication number: 20110111334Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises light-absorbing material that improves print quality. The light-absorbing material reduces the intrinsic light shock suffered by conventional overcoat layers without negatively impacting electrical properties of the overcoat layer.Type: ApplicationFiled: November 6, 2009Publication date: May 12, 2011Applicant: XEROX CORPORATIONInventors: Cuong Vong, Yvan Gagnon, Gregory McGuire
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Patent number: 7939230Abstract: The presently disclosed embodiments are directed generally to an improved electrophotographic imaging member in which the overcoat layer incorporates core-shell fluorinated nano- or micro-particles encapsulated in a melamine shell to reduce torque and cleaning failures during the photoreceptor cleaning process.Type: GrantFiled: September 3, 2009Date of Patent: May 10, 2011Assignee: Xerox CorporationInventors: Woo Soo Kim, Nan-Xing Hu, Jennifer A. Coggan, Yvan Gagnon
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Patent number: 7935466Abstract: A photoconductor that includes a supporting substrate, a photogenerating layer, and at least one charge transport layer that contains at least one charge transport component, and where the photogenerating layer contains a benzothiazolesulfenimide additive.Type: GrantFiled: March 31, 2008Date of Patent: May 3, 2011Assignee: Xerox CorporationInventors: Liang-Bih Lin, Daniel V Levy, Dale S Renfer, Markus R Silvestri
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Publication number: 20110076604Abstract: The presently disclosed embodiments are directed generally to an improved electrostatographic imaging member in which the overcoat layer comprises cross-linkable polyester resins. The overcoat layer not only provides wear resistance, but it also provides higher charge transport efficiency and therefore better photoelectrical properties. In addition, the polyesters can cross-link with a variety of resins and thus provide good adhesion as well.Type: ApplicationFiled: September 28, 2009Publication date: March 31, 2011Applicant: XEROX CORPORATIONInventors: Liang-Bih Lin, Brian P. Gilmartin, Emily K. Redman, Marc J. LiVecchi
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Patent number: 7914960Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and where the charge transport layer contains at least one of an ammonium salt.Type: GrantFiled: October 9, 2007Date of Patent: March 29, 2011Assignee: Xerox CorporationInventors: Jin Wu, Edward F Grabowski, Kent J Evans, Andronique Ioannidis
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Patent number: 7906261Abstract: An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer, an intermediate layer having a thickness of 2 nm to 70 nm, and a surface layer, which are disposed in this order on the conductive substrate. The refractive index n1 of the photosensitive layer, the refractive index n2 of the intermediate layer, and the refractive index n3 of the surface layer satisfy an inequality, n2>n3>n1.Type: GrantFiled: December 10, 2008Date of Patent: March 15, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Shigeru Yagi, Takeshi Iwanaga, Masayuki Nishikawa, Nobuyuki Torigoe
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Publication number: 20110053067Abstract: A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer 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 is comprised of a crosslinked mixture of a glycoluril resin and a self crosslinking acrylic resin.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventor: Jin Wu
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Publication number: 20110053068Abstract: Embodiments pertain to a flexible imaging member used in electrostatography and processes for making and using the imaging member. More particularly, the embodiments pertain to a structurally simplified flexible electrophotographic imaging member that has reasonable flatness and exhibits good performance without the need of an anticurl back coating layer.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Yuhua Tong, Stephen T. Avery, Michael S. Roetker
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Publication number: 20110053066Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, a charge transport layer or layers, and an overcoating layer containing a crosslinked mixture of a POSS component, a melamine polymer, and a charge transport like a hole transport compound.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventors: Jin Wu, Kenny-Tuan T. Dinh, Jennifer A. Coggan, Marc J. Livecchi, Edward C. Savage, Michael E. Zak
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Publication number: 20110053069Abstract: Embodiments pertain to a flexible imaging member used in electrostatography and processes for making and using the imaging member. More particularly, the embodiments pertain to a structurally simplified flexible electrophotographic imaging member that has reasonable flatness and exhibits good performance without the need of an anticurl back coating layer.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Yuhua Tong, Stephen T. Avery, Michael S. Roetker, Jimmy E. Kelly
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Publication number: 20110053065Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a cyclohexanecarboxylate.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventors: Jin Wu, Sherri A. Toates, Robert J. Meyer, Yuhua Tong
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Publication number: 20110053064Abstract: The presently disclosed embodiments are directed generally to an improved electrophotographic imaging member in which the overcoat layer incorporates core-shell fluorinated nano- or micro-particles encapsulated in a melamine shell to reduce torque and cleaning failures during the photoreceptor cleaning process.Type: ApplicationFiled: September 3, 2009Publication date: March 3, 2011Applicant: XEROX CORPORATIONInventors: Woo Soo Kim, Nan-Xing Hu, Jennifer A. Coggan, Yvan Gagnon
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Patent number: 7897311Abstract: A photoconductor that includes, for example, 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 phenothiazine.Type: GrantFiled: April 30, 2008Date of Patent: March 1, 2011Assignee: XEROX CorporationInventor: Jin Wu
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Patent number: 7897310Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the at least one charge transport layer contains at least one phosphine oxide.Type: GrantFiled: December 20, 2007Date of Patent: March 1, 2011Assignee: XEROX CorporationInventors: Jin Wu, Linda L Ferrarese, Marc J Livecchi, John J Wilbert
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Publication number: 20110039196Abstract: Embodiments pertain to a novel imaging member, namely, an electrostatic latent image generating member that can generate an electrostatic latent image digitally without using a raster output scanner (ROS), photoreceptor and charger. The imaging member facilitates the charge injection process between an organic conjugated polymer and N,N?-diphenyl-N,N?bis(3-methylphenyl)-[1,1?-biphenyl]-4,4?diamine charge transport layer.Type: ApplicationFiled: August 11, 2009Publication date: February 17, 2011Applicant: XEROX CORPORATIONInventors: Mandakini Kanungo, Kock-Yee Law
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Publication number: 20110027707Abstract: A photoconductor that includes a supporting substrate, a hole blocking layer, a ground plane layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a SN containing compound and an aminosilane.Type: ApplicationFiled: July 29, 2009Publication date: February 3, 2011Applicant: XEROX CORPORATIONInventor: Jin Wu
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Publication number: 20110027708Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a urea resin mixture; a photogenerating layer; and at least one charge transport layer.Type: ApplicationFiled: July 29, 2009Publication date: February 3, 2011Applicant: XEROX CORPORATIONInventor: Jin Wu
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Publication number: 20110027706Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a melamine polymer, a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: July 29, 2009Publication date: February 3, 2011Applicant: XEROX CORPORATIONInventors: Jin Wu, Sherri A. Toates, J. Robinson Cowdery-Corvan, Mark Muscato, Richard A. Williams, Marc J. Livecchi, Linda L. Ferrarese
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Publication number: 20110027705Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover, wherein the undercoat layer contains an aminosilane and an epoxysilane, a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: July 29, 2009Publication date: February 3, 2011Applicant: XEROX CORPORATIONInventors: Jin Wu, Sherri A Toates, J. Robinson Cowdery-Corvan, Mark Muscato, Richard A Williams, Marc J Livecchi, Linda L Ferrarese
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Patent number: 7879517Abstract: 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: GrantFiled: July 19, 2007Date of Patent: February 1, 2011Assignee: Konica Minolta Business Technologies, Inc.Inventors: Tomoo Sakimura, Masahiro Ishie, Shinichi Yabuki, Hidaya Miwa
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Patent number: 7879518Abstract: Disclosed is a photoreceptor including a substrate, a charge generating layer, and a charge transport layer having a tertiary aryl amine charge transport molecule represented by the following general formula in which Ar1, Ar2, Ar3, Ar4 and Ar5 each independently represents a substituted or unsubstituted aryl group, or Ar5 independently represents a substituted or unsubstituted arylene group, and k represents 0 or 1, and in which at least two of Ar1, Ar2, Ar3 and Ar4 includes a hydroxymethyl group or an alkoxymethyl group having from 1 to about 6 carbon atoms, having an oxidation potential of from about 0.75 V to about 1.0 V as measured vs. Ag/AgCl in 0.1 M tetra-n-butylammonium perchlorate in dichloromethane, and an antioxidant capable of reacting with the charge transport molecule. Disclose is also a process for forming the photoreceptors described herein and a method of forming an image with the photoreceptors described herein.Type: GrantFiled: November 20, 2007Date of Patent: February 1, 2011Assignee: Xerox CorporationInventors: Jennifer A. Coggan, Gregory McGuire, Nan-Xing Hu, Ah-Mee Hor
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Patent number: 7875411Abstract: A photoreceptor with a substrate, a charge generating layer, a charge transport layer including N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, having a purity of from about 95 percent to about 100 percent, and a protective overcoating layer, optionally including a hole transport material other than N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, that will discharge 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 erg/cm2 to about 5 ergs/cm2.Type: GrantFiled: May 31, 2007Date of Patent: January 25, 2011Assignee: Xerox CorporationInventors: Hany Aziz, Gregory McGuire, Jennifer A. Coggan, Johann Junginger, Kathy L. De Jong, Ah-Mee Hor, Nan-Xing Hu
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Patent number: 7875410Abstract: A charge transport layer serving as a surface layer of an electrophotographic photosensitive member contains a charge transporting material, polyester resin A containing a siloxane moiety and at least one of polyester resin C and polycarbonate resin D. The content of a siloxane moiety in polyester resin A is not less than 10% by mass and not more than 40% by mass relative to the total mass of polyester resin A. The charge transport layer has a matrix-domain structure having a matrix formed of the charge transporting material and at least one of polyester resin C and polycarbonate resin D and a domain formed of polyester resin A in the matrix.Type: GrantFiled: December 14, 2009Date of Patent: January 25, 2011Assignee: Canon Kabushiki KaishaInventors: Harunobu Ogaki, Hiroki Uematsu, Atsushi Ochi
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Publication number: 20110014556Abstract: The disclosed embodiments are directed to electrophotographic photoreceptors imaging members. More particularly, the imaging members of this disclosure comprise a charge transport layer comprising a charge transport molecule and a charge stabilizing compound to suppress the effects of corona effluents and provide stabilized charge acceptance during prolonged cycling, thereby improving print quality.Type: ApplicationFiled: July 20, 2009Publication date: January 20, 2011Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Ah-mee Hor
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Publication number: 20110014557Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a nano- to micron-scale pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods for making the improved imaging member.Type: ApplicationFiled: July 20, 2009Publication date: January 20, 2011Applicant: XEROX CORPORATIONInventors: Woo Soo Kim, Nan-Xing Hu, Yvan Gagnon, Johann Junginger
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Patent number: 7867677Abstract: Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat layer. The first charge transport layer is formed from a first CTL formulation comprising an aromatic monoamine and a first polymeric film forming binder material. The second charge transport layer is formed from a second CTL formulation comprising aromatic diamine and a second polymeric film forming binder material. The imaging member has gained improved properties such as removal of anti-curl layer, desirable structural flatness, electrical properties, mechanical robustness, flexibility, longevity, and copy image qualities over extended use, among others.Type: GrantFiled: September 16, 2009Date of Patent: January 11, 2011Assignee: Xerox CorporationInventors: Yuhua Tong, John F. Yanus, Jin Wu, Steven M. Sterling, Susan M. VanDusen
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Patent number: 7867676Abstract: A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide, and a copper containing compound; a photogenerating layer; and at least one charge transport layer.Type: GrantFiled: July 31, 2007Date of Patent: January 11, 2011Assignee: Xerox CorporationInventor: Jin Wu
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Publication number: 20100330477Abstract: A photoconductor that includes a photogenerating layer, and a charge transport layer containing a charge transport component, and a core shell component, and wherein the core is comprised of a metal oxide and the shell is comprised of silica.Type: ApplicationFiled: June 29, 2009Publication date: December 30, 2010Applicant: XEROX CORPORATIONInventors: Jin Wu, Kenny-Tuan T. Dinh, Linda L. Ferrarese, Marc J. Livecchi, Edward C. Savage, Michael E. Zak
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Publication number: 20100330478Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the charge transport layer contains a polysulfone.Type: ApplicationFiled: June 29, 2009Publication date: December 30, 2010Applicant: XEROX CORPORATIONInventor: Jin Wu
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Publication number: 20100330479Abstract: A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer 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 fluorinated nano diamond component.Type: ApplicationFiled: June 29, 2009Publication date: December 30, 2010Applicant: XEROX CORPORATIONInventors: Jin Wu, Edward F. Grabowski, Lanhui Zhang, Lin Ma
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Publication number: 20100330473Abstract: The invention provides an electrophotographic photoreceptor having a surface protection layer that satisfies the following requirements: (1) including a crosslinked substance of at least one selected from a guanamine compound or a melamine compound, and at least one charge transporting material having at least one substituent selected from —OH, —OCH3, —NH2, —SH or —COOH; (2) including the at least one of a guanamine compound or a melamine compound in an amount of from about 0.1 to about 5% by weight; and (3) having a universal hardness of from about 180 to about 220 N/mm2 and a creep ratio of from about 5% to about 8%, the universal hardness and the creep ratio being obtained by performing a hardness test by pushing a Vickers quadrangular pyramid diamond indenter against the surface protection layer at a maximum load of 20 mN, in an environment of 25° C. and a relative humidity of 50%.Type: ApplicationFiled: November 30, 2009Publication date: December 30, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Daisuke HARUYAMA, Masahiro IWASAKI
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Publication number: 20100330476Abstract: A photoconductor that includes a photogenerating layer and a charge transport layer containing a charge transport component, a fluorinated polymer, and a core shell component, and wherein the core is comprised of a metal oxide and the shell is comprised of silica.Type: ApplicationFiled: June 29, 2009Publication date: December 30, 2010Applicant: XEROX CORPORATIONInventors: Jin Wu, Kenny-Tuan T. Dinh, Linda L. Ferrarese, Marc J. Livecchi, Edward C. Savage, Michael E. Zak
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Publication number: 20100323288Abstract: The disclosed embodiments are directed to an electrophotographic photoreceptor having a release layer. More particularly, the disclosure relates to an electrophotographic photoreceptor having a release layer which comprises an organosilane compound coated over the substrate surface. Other embodiments include methods for coating layer removal using a specifically configured electrophotographic photoreceptor having a release layer and methods for recovering a charge transport molecule.Type: ApplicationFiled: June 17, 2009Publication date: December 23, 2010Applicant: XEROX CORPORATIONInventors: Robert P. Altavela, Yuhua Tong, Edward F. Grabowski, Kent J. Evans, Adilson Ramos, Nancy Belknap, Helen R. Cherniack
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Patent number: 7855039Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and an overcoat, and where the overcoat contains at least one of ketal. In embodiments the overcoat layer may include ?-hydroxyketone, ?-diketone, or mixtures thereof.Type: GrantFiled: December 20, 2007Date of Patent: December 21, 2010Assignee: Xerox CorporationInventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J Evans
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Publication number: 20100304285Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the development of a structurally simplified flexible electrophotographic imaging member without the need of an anticurl back coating layer and a post treatment process for effecting the imaging member service life extension in the field.Type: ApplicationFiled: June 1, 2009Publication date: December 2, 2010Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Stephen T. Avery, Michael S. Roetker
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Patent number: 7838186Abstract: 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: GrantFiled: May 18, 2007Date of Patent: November 23, 2010Assignee: Xerox CorporationInventors: Jin Wu, Kent J Evans, Sherri A. Colon, Dale S. Renfer
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Patent number: 7829251Abstract: Disclosed herein is a flexible imaging member having a high concentration of a charge transport compound having optimum enhanced mechanical and electrical characteristics. By increasing the concentration of the charge transport compound to a level of from about 55 weight percent or more, including from about 55 weight percent to about 70 weight percent, and from about 55 weight percent to about 65 weight percent, a flexible imaging member can be produced with reduced residual voltage and/or improved sensitivity. Furthermore, the fatigue cracking resistance of the charge transport layer can be improved through the implementation of a heat stress release process described more particularly herein.Type: GrantFiled: March 24, 2005Date of Patent: November 9, 2010Assignee: Xerox CorporationInventors: Anthony M. Horgan, Robert C. U. Yu, Satchidanand Mishra
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Publication number: 20100279215Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenol polysulfide, a photogenerating layer, and at least one charge transport layer.Type: ApplicationFiled: April 29, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventors: Jin Wu, Kathleen M. Carmichael, J. Robinson Cowdery-Corvan, David M. Skinner, Jean D. Van Epps, JR., Richard A. Williams
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Publication number: 20100279217Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of a liquid compound having a high boiling point into the charge transport layer such that an anticurl back coating is no longer needed for reduction or elimination of photoreceptor upward curling.Type: ApplicationFiled: May 1, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Stephen T. Avery, Yuhua Tong, Michael Roetker, Edward F. Grabowski, Jimmy E. Kelly
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Publication number: 20100279218Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of a liquid compound having a high boiling point into the charge transport layer such that an anticurl back coating is no longer needed for reduction or elimination of photoreceptor layer curling.Type: ApplicationFiled: May 1, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Stephen T. Avery, Yuhua Tong
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Publication number: 20100279219Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of a liquid compound having a high boiling point into the charge transport layer such that an anticurl back coating is no longer needed for reduction or elimination of photoreceptor layer curling.Type: ApplicationFiled: May 1, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventors: Robert C. U. Yu, Stephen T. Avery, Edward F. Grabowski, Terry L. Street, Jimmy E. Kelly, Joellen Simone
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Publication number: 20100279216Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the photogenerating layer contains a vulcanized fatty ester.Type: ApplicationFiled: April 29, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventor: Jin Wu
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Publication number: 20100266940Abstract: The presently disclosed embodiments are directed generally to an improved electrostatographic imaging member incorporating specific anti-oxidants into the charge transport layer to achieve substantially reduced lateral charge migration. The imaging members having such an charge transport layer can include charge transport molecules such as N,N,N,?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine without increased sensitivity to corona-induced lateral charge migration.Type: ApplicationFiled: April 15, 2009Publication date: October 21, 2010Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Jennifer Coggan
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Patent number: 7811732Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains a titanocene.Type: GrantFiled: March 31, 2008Date of Patent: October 12, 2010Assignee: Xerox CorporationInventor: Jin Wu