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1,1' biphenyl 4,4' diamine (e.g., benzidine, etc.)

Subclass of:

430 - Radiation imagery chemistry: process, composition, or product thereof

430031000 - ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT

430056000 - Radiation-sensitive composition or product

430570100 - Having plural conductive layers

430580050 - Charge transport layer

430580350 - Organic nitrogen in charge transport layer

430580650 - Arylamine containing

430580750 - Triamine, or diamine containing

Patent class list (only not empty are listed)

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Entries
DocumentTitleDate
20090035675COPPER CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTORS - 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.02-05-2009
20100151369IMAGING MEMBER - 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, a polymer containing carboxylic acid groups or groups capable of forming carboxylic acid groups, and a hydroquinone antioxidant, wherein the photogenerating layer is situated between the charge transport layer and the conductive substrate.06-17-2010
20090246658THIURAM TETRASULFIDE CONTAINING PHOTOGENERATING LAYER - 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 the photogenerating layer contains a thiuram sulfide additive.10-01-2009
20090208857OVERCOAT CONTAINING FLUORINATED POLY(OXETANE) PHOTOCONDUCTORS - 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 in contact with the charge transport layer an overcoat layer comprised of a fluorinated poly(oxetane) polymer.08-20-2009
20090061339TRIAZOLE CONTAINING PHOTOCONDUCTORS - 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 where the photogenerating layer contains a triazole.03-05-2009
20090297967PHOSPHONATE HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; a first layer like a ground plane layer; an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phosphonate; a photogenerating layer; and at least one charge transport layer.12-03-2009
20100330478POLYSULFONE CONTAINING PHOTOCONDUCTORS - 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.12-30-2010
20090325094IMAGING MEMBER - 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.12-31-2009
20090325093(ENYLARYL)BISARYLAMINE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and an (enylaryl)bisarylamine containing charge transport layer.12-31-2009
20090325091PHOSPHONATE CONTAINING PHOTOCONDUCTORS - 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.12-31-2009
20120219893ELECTRICALLY TUNABLE AND STABLE IMAGING MEMBERS - Embodiments provide novel imaging members used in electrostatography. More particularly, there is provided flexible electrophotographic imaging members which have improved imaging layer(s) formulated to comprise of a plasticizer in a material matrix of a solid solution comprising a charge transporting compound and a film forming polymer binder which is a novel A-B diblock copolymer or a binary polymer blend of a novel A-B diblock copolymer and a bisphenol polycarbonate. The flexible imaging members thus prepared have improved photoelectrical cyclic function stability, chemical resistive property, and are curl-free, and thus eliminate the need for an additional anticurl back coating layer.08-30-2012
20090092911ADDITIVE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - 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.04-09-2009
20090269687IMAGING MEMBER HAVING NANO POLYMERIC GEL PARTICLES IN VARIOUS LAYERS - 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.10-29-2009
20110207042PHENOLIC UREA HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate, an undercoat layer thereover wherein the undercoat layer contains a metal oxide dispersed in a mixture of a urea formaldehyde resin and a phenolic formaldehyde resin; a photogenerating layer; and at least one charge transport layer.08-25-2011
20090233196Photoconductors Containing Copper Phthalocyanine and Titanyl Phthalocyanine in the Charge Generation Layer - Embodiments of a photoconductor comprise an electrically conductive substrate, a charge generation layer disposed over the electrically conductive substrate, wherein the charge generation layer comprises titanyl phthalocyanine and copper phthalocyanine, and a charge transport layer disposed over the charge generation layer.09-17-2009
20110027705EPOXYSILANE HOLE BLOCKING LAYER PHOTOCONDUCTORS - 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.02-03-2011
20090004584HYDROXYGALLIUM PHTHALOCYANINE PROCESSES AND PHOTOCONDUCTORS THEREOF - A process which comprises treating a hydroxygallium phthalocyanine Type I with a weak acid having a pKa of at least equal to or greater than about −3, and subsequently contacting the hydroxygallium phthalocyanine Type I with an organic solvent.01-01-2009
20100279215PHENOL POLYSULFIDE HOLE BLOCKING LAYER PHOTOCONDUCTORS - 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.11-04-2010
20110027707SN CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTOR - 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.02-03-2011
20110287352FLEXIBLE IMAGING MEMBERS HAVING STRESS-FREE IMAGING LAYER(S) - Present embodiments are directed to the preparation of curl-free flexible imaging members used in electrostatography. More particularly, the embodiments pertain to a structurally simplified flexible electrophotographic imaging member, including the incorporation of a plasticizer or a blend of plasticizers in the imaging layer(s) to effect imaging layer(s) stress relieving outcome for curl control without the need of an anticurl back coating, and methods for making and using the imaging member.11-24-2011
20090297962AMINOSILANE AND SELF CROSSLINKING ACRYLIC RESIN HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; a first layer like a ground plane layer; an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a crosslinked acrylic resin; a photogenerating layer; and at least one charge transport layer.12-03-2009
20090162766PHOTOCONDUCTORS CONTAINING KETAL OVERCOATS - 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 α-hydroxyketone, α-diketone, or mixtures thereof.06-25-2009
20090148784ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMATION METHOD - Disclosed is an electrophotographic photoreceptor comprising on or over an electrically conductive support a photosensitive layer containing a pyranthrone compound represented by the following formula and the pyranthrone compound has a crystal structure exhibiting a CuKα X-ray diffraction spectrum having peaks at angles (2θ±0.2°) of 16.9°, 18.7° and 20.6°.06-11-2009
20100279216FATTY ESTER CONTAINING PHOTOCONDUCTORS - 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.11-04-2010
20100266940CHARGE TRANSPORT LAYER COMPRISING ANTI-OXIDANTS - 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.10-21-2010
20090263737 IMAGING MEMBER AND METHODS OF FORMING THE SAME - 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.10-22-2009
20090280419ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor is disclosed, comprising on or over an electrically conductive support a photosensitive layer containing a charge generation material and a charge transfer material, wherein the charge generation material is comprised of two or more compounds represented by the following formula11-12-2009
20090246661UREA RESIN CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - 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 urea resin.10-01-2009
20110269064DENDRITIC POLYESTER POLYOL PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, an undercoat layer thereover wherein the undercoat layer contains a metal oxide a phenolic resin and a dendritic polyester polyol; a photogenerating layer; and at least one charge transport layer.11-03-2011
20080241721Photoconductors - 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.10-02-2008
20100279218FLEXIBLE IMAGING MEMBERS WITHOUT ANTICURL LAYER - 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.11-04-2010
20120196217POLYALKYLENE GLYCOL BENZOATE CONTAINING PHOTOCONDUCTORS - A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a polyalkylene glycol benzoate containing charge transport layer, and a top overcoat layer in contact with and contiguous to the charge transport layer, and which overcoat layer includes charge transport compounds and melamine resins.08-02-2012
20090297969POLYMER ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - 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.12-03-2009
20090297968ZIRCONOCENE CONTAINING PHOTOCONDUCTORS - 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 zirconocene.12-03-2009
20090297965FERROCENE CONTAINING PHOTOCONDUCTORS - 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 at least one of the photogenerating layer and charge transport layer contains a ferrocene.12-03-2009
20090297966AMINE PHOSPHATE CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - 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 an amine phosphate.12-03-2009
20090297964ANTHRACENE CONTAINING PHOTOCONDUCTORS - 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 at least one of the photogenerating layer and charge transport layer contains an anthracene, including derivatives thereof.12-03-2009
20090297963BACKING LAYER CONTAINING PHOTOCONDUCTOR - A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the outermost layer of the backing layer is comprised of an acrylic resin and a crosslinkable fluoro additive.12-03-2009
20090297961PHENOL POLYSULFIDE CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - 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.12-03-2009
20090162765KETAL CONTAINING PHOTOCONDUCTORS - 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 of ketal. In embodiments, the charge transport layer may include an α-hydroxyketone, an α-diketone, or mixtures thereof.06-25-2009
20080318146Imaging member having high charge mobility - The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member comprising a charge transport layer that exhibits improved charge mobility transport and comprises novel terphenyl compounds.12-25-2008
20090325092BIS(ENYLARYL)ARYLAMINE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a bis(enylaryl)arylamine containing charge transport layer.12-31-2009
20090325090PHENOLIC RESIN HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate, a first layer like a ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenolic resin, a photogenerating layer, and at least one charge transport layer.12-31-2009
20080233503Photoconductor fluorinated charge transport layers - A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester.09-25-2008
20090220876SELF LUBRICATING PHOTORECEPTOR - Disclosed is an electrophotographic imaging member that includes a lubricant delivering coating having a polymer matrix, a charge transport component, and a lubricant encapsulated within nano- or microcapsules. Also disclosed is an imaging forming apparatus including a charging device, a toner developer device, a cleaning device, and a photoreceptor having a conductive substrate, a charge generating layer, a charge transport layer, and an optional overcoat layer, such that the outmost layer of the photoreceptor contains a lubricant encapsulated within nano- or microcapsules. Additionally provided is a method of forming an image with the disclosed electrophotographic imaging member.09-03-2009
20090246659BENZOTHIAZOLE CONTAINING PHOTOGENERATING LAYER - 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.10-01-2009
20090246663TITANOCENE CONTAINING PHOTOCONDUCTORS - 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.10-01-2009
20090246662HYDROXYQUINOLINE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, 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 hydroxyquinoline.10-01-2009
20090239166IMAGING MEMBER HAVING NANO POLYMERIC GEL PARTICLES IN VARIOUS LAYERS - 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.09-24-2009
20090253060LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - 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 slippery polyhedral oligomeric silsequioxane molecules that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.10-08-2009
20090253059LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - 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.10-08-2009
20090253058LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - 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.10-08-2009
20090246660ADDITIVE CONTAINING PHOTOCONDUCTORS - 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 the photogenerating layer contains an aminoquinoline.10-01-2009
20100015540BINDERLESS OVERCOAT LAYER - Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a binderless overcoat layer which exhibits substantially improved electrical performance, such as low residual potential and good electrical cyclic stability. The overcoat layer of the present embodiments is formed from a formulation comprising a small transport molecule, a crosslinking agent, an acid catalyst and a solvent.01-21-2010
20100190099NANO DIAMOND ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - 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 nano diamond component.07-29-2010
20100151370IMAGING MEMBER - Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, a first charge transport layer in contact with the photogenerating layer, the first charge transport layer comprising a charge transport material and an organic phosphate or organic phosphonite antioxidant, and a second charge transport layer in contact with the first charge transport layer, the second charge transport layer comprising a charge transport material and a hydroquinone antioxidant, wherein the first charge transport layer is situated between the second charge transport layer and the photogenerating layer.06-17-2010
20100151368IMAGING MEMBER - Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, a first charge transport layer in contact with the photogenerating layer, the first charge transport layer comprising a charge transport material and a polymer containing carboxylic acid groups or groups capable of forming carboxylic acid groups, and a second charge transport layer in contact with the first charge transport layer, the second charge transport layer comprising a charge transport material and a hydroquinone antioxidant, wherein the first charge transport layer is situated between the second charge transport layer and the photogenerating layer.06-17-2010
20120196216PHOTOCONDUCTOR UNDERCOAT LAYER - A photoconductor comprising a substrate, an undercoat layer, a photogenerating layer and a charge transport layer is described. The undercoat layer is disposed on the substrate and comprises a metal oxide, and a mixture of a phenolic resin and a cyclohexanecarboxylate.08-02-2012
20100221650CARBAZOLE CONTAINING PHOTOGENERATING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and where the photogenerating layer contains a carbazole.09-02-2010
20110027706MELAMINE POLYMER HOLE BLOCKING LAYER PHOTOCONDUCTORS - 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.02-03-2011
20100221649BORON CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTOR - A photoconductor that includes a supporting substrate, a ground plane layer, a hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a boron containing compound.09-02-2010
20090208858BACKING LAYER CONTAINING PHOTOCONDUCTOR - A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the outermost layer of said backing layer is comprised of a self crosslinked acrylic resin and a crosslinkable siloxane component.08-20-2009
20090035674UV ABSORBING HOLE BLOCKING LAYER CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a substrate; an undercoat layer thereover comprised of a metal oxide, and an ultraviolet light absorber component; a photogenerating layer; and at least one charge transport layer.02-05-2009
20090035673IRON CONTAINING HOLE BLOCKING LAYER CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer contains, for example, a metal oxide, and an iron containing compound; a photogenerating layer; and at least one charge transport layer.02-05-2009
20100248102CROSSLINKED RESIN MIXTURE BACKING LAYER CONTAINING PHOTOCONDUCTOR - A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and where the outermost layer of the backing layer is comprised of a mixture of a glycoluril resin and a polyacetal resin.09-30-2010
20110151365POLYALKYLENE GLYCOL BENZOATE CONTAINING PHOTOCONDUCTORS - 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 polyalkylene glycol benzoate.06-23-2011
20100151371IMAGING MEMBER - 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.06-17-2010
20100055588CHARGE TRANSPORT LAYER HAVING HIGH MOBILITY TRANSPORT MOLECULE MIXTURE - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic imaging member having a specific mixture of high mobility molecules in the charge transport layer which exhibits reduced propensity for crystallization while maintaining or improving electrical performance.03-04-2010
20100304285CRACK RESISTANT IMAGING MEMBER PREPARATION AND PROCESSING METHOD - 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.12-02-2010
20100279217STRUCTURALLY SIMPLIFIED FLEXIBLE IMAGING MEMBERS - 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.11-04-2010
20090202928Control of Crazing, Cracking or Crystallization of a Charge Transport Layer in a Photoconductor - 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.08-13-2009
20080280222IMAGING MEMBER - 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.11-13-2008
20100323288PHOTORECEPTOR WITH RELEASE LAYER - 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.12-23-2010
20110053067ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTOR - 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.03-03-2011
20110053066POSS MELAMINE OVERCOATED PHOTOCONDUCTORS - 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.03-03-2011
20110053065PLASTICIZER CONTAINING PHOTOCONDUCTORS - 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.03-03-2011
20110027708AMINOSILANE UREA CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTORS - 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.02-03-2011
20100330477CORE SHELL PHOTOCONDUCTORS - 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.12-30-2010
20100330479FLUORINATED NANO DIAMOND ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - 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.12-30-2010
20100068637THIOBIS(THIOFORMATE) CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a thiobis(thioformate) containing charge transport layer; a thiobis(thioformate) containing photogenerating layer, or where both at least one charge transport layer and the photogenerating layer includes, in addition to other components, a thiobis(thioformate).03-18-2010
20110151366SULFONAMIDE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer or layers contains a sulfonamide.06-23-2011
20080286670Photoconductors containing charge transport chelating components - 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.11-20-2008
20100221651EPOXY CARBOXYL RESIN MIXTURE HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide, and a mixture of an epoxy resin and a carboxyl resin; a photogenerating layer; and at least one charge transport layer.09-02-2010
20100068636PHOTORECEPTOR PROTECTIVE OVERCOAT LAYER INCLUDING SILICONE POLYETHER AND METHOD OF MAKING SAME - 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.03-18-2010
20090035676IODONIUM HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide and an iodonium containing compound; a photogenerating layer; and at least one charge transport layer.02-05-2009
20110318680HYDROXYGALLIUM HYDROXYALUMINUM PHTHALOCYANINE SILANOL CONTAINING PHOTOCONDUCTORS - 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 hydroxygallium phthalocyanine, a hydroxyaluminum phthalocyanine, a polymeric binder, and a silanol.12-29-2011
20110318679POLYURETHANE ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - A photoconductor that includes a backing 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 backing layer is in contact with the supporting substrate on the reverse side thereof, and the outermost layer of the backing layer is comprised of a polyurethane comprised of a dendritic polyester polyol and a polyisocyanate.12-29-2011
20120208116BIS(ENYLARYL)ARYLAMINE CHARGE TRANSPORT LAYER CONTAINING PHOTOCONDUCTORS - A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a bis(enylaryl)arylamine containing charge transport layer, and a top overcoat layer, which includes charge transport compounds and melamine resins.08-16-2012
20090130575PHOTORECEPTOR - 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 formula05-21-2009
20090061340HYDROXY BENZOPHENONE CONTAINING PHOTOCONDUCTORS - 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 hydroxyalkoxy benzophenone.03-05-2009
20090061338BORON CONTAINING PHOTOCONDUCTORS - 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 where the photogenerating layer contains a boron containing compound.03-05-2009
20090061337PHOTOCONDUCTORS - 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 where the photogenerating layer contains a triazine.03-05-2009
20090061336LIGHT STABILIZER CONTAINING PHOTOCONDUCTORS - 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 said photogenerating layer contains a light stabilizer.03-05-2009
20080299474HIGH QUALITY SUBSTITUTED ARYL DIAMINE AND A PHOTORECEPTOR - 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(-C12-04-2008
20100129744ESTER THIOLS CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the photogenerating layer contains at least one photogenerating component, and a mixture of an ester thiol and a poly(vinyl halide) copolymer.05-27-2010
20130017479PHENOLIC PHOSPHITE CONTAINING PHOTOCONDUCTORSAANM WU; JinAACI PittsfordAAST NYAACO USAAGP WU; Jin Pittsford NY USAANM DINH; Kenny-Tuan T.AACI WebsterAAST NYAACO USAAGP DINH; Kenny-Tuan T. Webster NY USAANM STREET; Terry L.AACI FairportAAST NYAACO USAAGP STREET; Terry L. Fairport NY USAANM HEDRICK; Robert W.AACI SpencerportAAST NYAACO USAAGP HEDRICK; Robert W. Spencerport NY USAANM FERRARESE; Linda L.AACI RochesterAAST NYAACO USAAGP FERRARESE; Linda L. Rochester NY USAANM GILMARTIN; Brian P.AACI WilliamsvilleAAST NYAACO USAAGP GILMARTIN; Brian P. Williamsville NY US - A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a charge transport layer, and a top overcoat layer of a phenolic compound, a phosphite compound, an optional charge transport compound, an optional melamine resin, an optional acrylated polyol, and an optional catalyst.01-17-2013
20080241720Anticurl backside coating (ACBC) photoconductors - 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 200.10-02-2008
20080233502Overcoated photoconductors containing fluorinated components - 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.09-25-2008
20080233501Photoconductors containing fluorinated components - A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer.09-25-2008
20080220351Photoconductors containing photogenerating chelating components - 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 β-diketone, a ketoester, a hydroxyl carboxylic acid, a hydroxyl carboxylic acid ester, a keto alcohol, or an amino alcohol.09-11-2008
20080220350Hole blocking layer containing photoconductors - 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.09-11-2008
20110269063PHENOLIC GLYCOLURIL CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide dispersed in a mixture of a phenolic resin and a glycoluril resin; a photogenerating layer; and at least one charge transport layer.11-03-2011
20100279219FLEXIBLE IMAGING MEMBERS WITHOUT ANTICURL LAYER - 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.11-04-2010
20110236811CHARGE TRANSPORT LAYER AND COATING SOLUTION FOR FORMING THE SAME - The present embodiments are generally directed to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. More particularly, the embodiments pertain to an electrophotographic imaging member having a novel charge transport layer formed from a coating solution that is doped with specific solvents which provides a charge transport layer with superior electrical properties, and methods for making the same. In particular, the coating solution is doped with a small amount of an aprotic organic solvent.09-29-2011
20120028180SPIRODILACTAM POLYCARBONATE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a spirodilactam based polycarbonate.02-02-2012
20130202995PLASTICIZED ANTI-CURL BACK COATING FOR FLEXIBLE IMAGING MEMBER - The presently disclosed embodiments relate generally to a flexible imaging member having an anti-curl back coating comprising a liquid plasticizer, and the imaging member is substantially flat.08-08-2013

Patent applications in class 1,1' biphenyl 4,4' diamine (e.g., benzidine, etc.)