Triamine, Or Diamine Containing Patents (Class 430/58.75)
  • Publication number: 20090325091
    Abstract: 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 suitable phosphonate.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Markus R. Silvestri, J. Robinson Cowdery-Corvan, David M. Skinner, Jean D. Van Epps, JR.
  • Publication number: 20090325093
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and an (enylaryl)bisarylamine containing charge transport layer.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Patent number: 7629094
    Abstract: An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein the photosensitive layer comprises units obtained from a radical polymerizing monomer, in which an aliphatic group having two radical polymerizing groups and a charge transporting group including no radical polymerizing group are connected to each other in a single bond, at the surface thereof.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: December 8, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazukiyo Nagai, Tetsuro Suzuki, Hiroshi Tamura, Hongguo Li, Tamotsu Horiuchi
  • Publication number: 20090297969
    Abstract: 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: Application
    Filed: May 30, 2008
    Publication date: December 3, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Publication number: 20090297961
    Abstract: 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 phenol polysulfide.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 3, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Patent number: 7622231
    Abstract: 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: Grant
    Filed: August 30, 2006
    Date of Patent: November 24, 2009
    Assignee: Xerox Corporation
    Inventors: Gregory McGuire, Jennifer A. Coggan, Johann Junginger, Nan-Xing Hu, Ah-Mee Hor
  • Patent number: 7618758
    Abstract: A photoconductor containing an optional supporting substrate, a perylene silanol photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: November 17, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Nancy L. Belknap, Liang-Bih Lin
  • Patent number: 7618757
    Abstract: 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: Grant
    Filed: May 11, 2005
    Date of Patent: November 17, 2009
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Jin Wu, Steven M. Sterling, Susan M. VanDusen
  • Publication number: 20090269688
    Abstract: A charge-transporting varnish comprising a phenylamino-N,N?-diphenylquinonediimine derivative represented by the formula (1) as a charge-transporting substance. It becomes possible to provide a charge-transporting varnish comprising an oxidized oligoaniline, which has a high solubility in various organic solvents and also has a good filtration property because the varnish has no aggregation property. (wherein R1 represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group; and R2 to R19 independently represent a hydrogen atom, a hydroxyl group, an amino group, a silanol group, a thiol group, a carboxyl group, a phosphoric acid group, a phosphate ester group, an ester group, a thioester group, an amide group, a nitro group, a substituted or unsubstituted monovalent hydrocarbon group, an organooxy group, an organoamino group, an organosilyl group, an organothio group, an acyl group, a sulfone group or a halogen atom.
    Type: Application
    Filed: July 17, 2007
    Publication date: October 29, 2009
    Inventors: Takuji Yoshimoto, Tomohisa Yamada, Taku Kato
  • Publication number: 20090263737
    Abstract: The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.
    Type: Application
    Filed: April 22, 2008
    Publication date: October 22, 2009
    Applicant: XEROX CORPORATION
    Inventors: Kathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
  • Publication number: 20090253062
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Application
    Filed: April 7, 2008
    Publication date: October 8, 2009
    Applicant: XEROX CORPORATION
    Inventor: Robert C. U. Yu
  • Patent number: 7592111
    Abstract: An electrostatographic imaging member formulated with a liquid carbonate is provided. The imaging electrostatographic member exhibits improved service life.
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: September 22, 2009
    Assignee: Xerox Corporation
    Inventors: Robert C. U. Yu, Satchidanand Mishra, Anthony M. Horgan, Richard L. Post, Yuhua Tong, Edward F. Grabowski, Kathleen M. Carmichael, Markus R. Silvestri
  • Patent number: 7585603
    Abstract: A curable resin composition for use as a constituting material of an electrophotographic photoreceptor, comprises: a phenolic resin; a charge transportable material having a reactive functional group; and at least one of an organic sulfonic acid and its derivative.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: September 8, 2009
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Wataru Yamada, Katsumi Nukada, Masahiro Iwasaki, Kenji Yao
  • Patent number: 7582399
    Abstract: Imaging members useful in electrostatographic apparatuses, including printers, copiers, other reproductive devices, and digital apparatuses. More particularly, imaging members having nano polymeric gel particles embedded into one or more layers of the imaging member that provide for increased mechanical strength and improved wear.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: September 1, 2009
    Assignee: Xerox Corporation
    Inventors: Satchidanand Mishra, Yuhua Tong, Kathleen Carmichael, Markus Silvestri, Susan Vandusen, Chieh-Min Cheng, Huoy-Jen Yuh, Cindy Chen, Lanhui Zhang
  • Publication number: 20090214969
    Abstract: A photoconductive member a layer including a substantially crosslinked product of a film-forming composition having at least a curing agent and a charge transport compound, wherein the charge transport compound has at least one group imparting charge transporting functionality, at least one crosslinking group and at least one fluorene moiety.
    Type: Application
    Filed: February 26, 2008
    Publication date: August 27, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jennifer A. COGGAN, Nan-Xing HU, Matthew A. HEUFT, Kathy L. DE JONG
  • Publication number: 20090208859
    Abstract: A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and where the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer is comprised of a fluorinated poly(oxetane) polymer.
    Type: Application
    Filed: February 19, 2008
    Publication date: August 20, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma
  • Patent number: 7560206
    Abstract: A photoconductor containing an optional supporting substrate, a silanol containing photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: July 14, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John S. Chambers, Satchidanand Mishra, Michael A. Morgan, Liang-Bih Lin
  • Patent number: 7560205
    Abstract: A photoconductive imaging including at least a substrate, a charge generating layer, a charge transport layer, and an overcoat layer. The overcoat layer includes a crosslinked product of at least a phenolic resin and a phenol compound.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: July 14, 2009
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Cheng-Kou Hsiao
  • Publication number: 20090162768
    Abstract: 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 ?-aminoketone.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Publication number: 20090162769
    Abstract: 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: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Linda L. Ferrarese, Marc J. Livecchi, John J. Wilbert
  • Patent number: 7547842
    Abstract: Disclosed herein is an organic electronic device comprising a charge transport layer comprising a host charge transport material and a guest charge transport material, wherein the guest material is not homogeneously distributed in the host material and is spatially doped within the host material. The charge transport layer may be either a hole or electron transport layer and is useful in a variety of organic electronic devices.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: June 16, 2009
    Inventor: Ying Wang
  • Patent number: 7534536
    Abstract: 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: Grant
    Filed: August 1, 2006
    Date of Patent: May 19, 2009
    Assignee: Xerox Corporation
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Francisco J. Lopez
  • Patent number: 7527903
    Abstract: A flexible imaging member which does not require the use of an anti-curl back coating is disclosed herein. The flexible imaging member has a layer comprising two charge transport molecules dispersed in a film-forming polymer binder. The first charge transport molecule is a biphenyl amine, terphenyl diamine, or bis(triarylamine) stilbene. The second charge transport molecule is a bis(triarylamine), tri-p-tolylamine, or triphenylamine. The weight ratio of second charge transport molecule to first charge transport molecule is from about 90:10 to about 67:33. Trifluoro acetic acid is also added to the layer containing the charge transport material.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: May 5, 2009
    Assignee: Xerox Corporation
    Inventors: Kathleen M. Carmichael, Kent J. Evans, Kathy Lippman, legal representative, Satish Parikh, Donald Sullivan
  • Publication number: 20090104552
    Abstract: An object of the present invention is to provide an electrophotographic photoreceptor which is not impaired in electrophotographic properties such as charge potential and residual potential and which is also excellent in repetition stability. The invention relates to an electrophotographic photoreceptor including a conductive support having thereon a photosensitive layer containing a zirconium compound represented by the following general formula (1): and one or more charge transport agents having an arylamino group in its molecule.
    Type: Application
    Filed: September 8, 2006
    Publication date: April 23, 2009
    Applicant: Hodogaya Chemical Co., Ltd.
    Inventors: Katsumi Abe, Makoto Koike, Atsushi Takesue
  • Publication number: 20090104551
    Abstract: Disclosed is an electrophotographic photoreceptor comprising on an electrically conductive support, a charge generation layer and a charge transport layer, wherein the charge transport layer comprises a charge transport material represented by formula (1) and exhibits a transmittance at 370 nm of not more than 10% and a transmittance at 405 nm of not less than 70%, and the charge transport layer further comprising a compound represented by formula (2), (3) or (4).
    Type: Application
    Filed: October 9, 2008
    Publication date: April 23, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Tomoko SAKIMURA, Toyoko SHIBATA, Tomoo SAKIMURA, Takeshi ISHIDA, Shinichi HAMAGUCHI
  • Publication number: 20090092911
    Abstract: 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: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Edward F. Grabowski, Kent J. Evans, Andronique Ioannidis
  • Publication number: 20090092913
    Abstract: 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 photogenerating layer contains an ammonium salt, an imidazolium salt, or mixtures thereof.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Edward F. Grabowski, Kent J. Evans, Sherri A. Colon, Dale S. Renfer
  • Publication number: 20090092910
    Abstract: A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein at least one of the photogenerating layer and the charge transport layer contains at least one of a pyridimium salt and a tetrazolium salt.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Publication number: 20090092909
    Abstract: 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 photogenerating layer contains at least one charge trapping releaser.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventor: Jin Wu
  • Publication number: 20090092915
    Abstract: 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 phosphonium salt.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Edward F. Grabowski, Kent J. Evans, Daniel V. Levy
  • Publication number: 20090092914
    Abstract: A photoconductor that includes, for example, a supporting substrate, a phosphonium salt containing photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 9, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Edward F. Grabowski, Kent J. Evans, Daniel V. Levy, Liang-Bih Lin
  • Patent number: 7514191
    Abstract: An imaging member is disclosed with a charge transport layer comprising a dimethyl terphenyl diamine having the structure of Formula (I): wherein n is an integer from 0 to about 18. The resulting imaging member has enhanced performance properties.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: April 7, 2009
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Markus Silvestri
  • Patent number: 7510809
    Abstract: An electrophotographic photoreceptor including a charge generating layer and a charge transfer layer accumulated on a support member, the charge transfer layer including at least two layers of a support side layer and a surface side layer, wherein the support side layer contains A mol/cm3 of charge mol/cm3 of charge transfer material having a dipolar moment of not more than 0.75 and inorganic particles having a number average primary particle diameter of 3-150 nm, wherein A and B satisfies relations of (1) and (2), 9.0×10?4>A>3.0×10?4??(1) 8.0×10?4>B>2.0×10?5??(2).
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: March 31, 2009
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Chigusa Yamane, Keiichi Inagaki, Kunihiro Ogura
  • Patent number: 7507510
    Abstract: 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 each R1, R2, and R3 is independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is from about 1 to about 10, and a thiophosphate.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: March 24, 2009
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7498109
    Abstract: 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 comprising a thiophosphate, and optionally one or more additional undercoat layer components.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: March 3, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Geoffrey M. T. Foley, Satchidanand Mishra, Liang-bih Lin, Anthony M. Horgan, Yonn K. Rasmussen, Kathleen M. Carmichael, Edward F. Grabowski
  • Patent number: 7491480
    Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the at least one charge transport layer contains at least one thiophosphate.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: February 17, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Satchidanand Mishra, Kent J. Evans, J. Robinson Cowdery-Corvan, Anthony M. Horgan, Geoffrey M T. Foley, Kathleen M. Carmichael, Liang-Bih Lin
  • Publication number: 20090035017
    Abstract: There is provided an electrophotographic photoconductor containing a conductive substrate, and a photosensitive layer, disposed thereon, containing a charge transporting material having a triarylamine structure represented by General Formula 1, and wherein the photosensitive layer satisfies Mathematical Formula 1 when peak heights in raman scattering spectra of the triarylamine structure are measured at a wavenumber of 1,324±2 cm?1 by a confocal raman spectroscopy using z-polarized light: where Ar1, Ar2, and Ar3 are substituted or unsubstituted aromatic hydrocarbon groups, and Ar1 and Ar2, Ar2 and Ar3, and Ar3 and Ar1 are optionally combined to form heterocyclic rings, respectively, ?=I(inside)/I(surface)?1.
    Type: Application
    Filed: September 10, 2007
    Publication date: February 5, 2009
    Inventors: Hiromi TADA, Nozomu TAMOTO, Katsuichi OHTA
  • Patent number: 7485398
    Abstract: 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 are each independently alkyl, alkoxy, aryl, a halogen, and wherein the photogenerating layer contains a titanyl phthalocyanine prepared 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 monohalobenzene.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: February 3, 2009
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7479358
    Abstract: 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 a thiophosphate.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: January 20, 2009
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7476478
    Abstract: 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 mixtures thereof, and n is a number of, for example, from about 1 to about 10.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: January 13, 2009
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7476477
    Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer, and wherein the at least one charge transport layer contains at least one thiophosphate, and wherein the thiophosphate is present in an amount of from about 0.005 to about 0.09 weight percent.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: January 13, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Geoffrey M T. Foley, Edward C. Savage, Liang-Bih Lin
  • Publication number: 20090011349
    Abstract: An object of the invention is to provide a photoreceptor for electrophotography which has a low residual potential in an initial stage, is inhibited from increasing in residual potential, is prevented from decreasing in charge potential, undergoes little fatigue deterioration even upon repeated use, and is less apt to pose a problem concerning toxicity or environmental pollution. The invention relates to a photoreceptor for electrophotography which has a photosensitive layer containing an aromatic hydroxycarboxylic acid metal complex represented by the following general formula (1): and one or more charge-transporting agents each having an arylaminophenyl group in the molecule.
    Type: Application
    Filed: January 18, 2007
    Publication date: January 8, 2009
    Applicant: Hodogaya Chemical Co., Ltd.
    Inventors: Katsumi Abe, Makoto Koike, Atsushi Takesue
  • Patent number: 7473505
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, 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.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: January 6, 2009
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7468229
    Abstract: 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: Grant
    Filed: June 15, 2006
    Date of Patent: December 23, 2008
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7462432
    Abstract: 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: Grant
    Filed: June 15, 2006
    Date of Patent: December 9, 2008
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7459250
    Abstract: 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: Grant
    Filed: June 15, 2006
    Date of Patent: December 2, 2008
    Assignee: Xerox Corporation
    Inventors: 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
  • Publication number: 20080286670
    Abstract: 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: Application
    Filed: May 18, 2007
    Publication date: November 20, 2008
    Inventors: Jin Wu, Kent J. Evans, Sherri A. Colon, Dale S. Renfer
  • Patent number: 7452643
    Abstract: 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: Grant
    Filed: June 15, 2006
    Date of Patent: November 18, 2008
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 7445876
    Abstract: 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: Grant
    Filed: June 15, 2006
    Date of Patent: November 4, 2008
    Assignee: Xerox Corporation
    Inventors: 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
  • Publication number: 20080241721
    Abstract: 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: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventors: Huoy-Jen Yuh, Robert C U Yu, Yuhua Tong, David M. Skinner