| Patent Number |
Title Of Patent |
Date Issued |
| H1474 |
Titanyl phthalocyanine imaging member and processes |
August 1, 1995 |
| A process for increasing the imaging cyclic stability of titanyl phthalocyanines by adding to said titanyl phthalocyanines a perylene. |
| 7611811 |
Imaging member |
November 3, 2009 |
| An imaging member having an adhesive charge transport layer is disclosed herein. The charge transport layer comprises a low surface energy polymer having siloxane segments in its backbone and a charge transport compound; it may further comprise a film-forming polymer. The charge transpor |
| 7592111 |
Imaging member |
September 22, 2009 |
| An electrostatographic imaging member formulated with a liquid carbonate is provided. The imaging electrostatographic member exhibits improved service life. |
| 7585602 |
Imaging member having antistatic anticurl back coating containing polyhedral oligomeric silsequi |
September 8, 2009 |
| 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 silanols in the anticurl back coatin |
| 7579125 |
Imaging member |
August 25, 2009 |
| An imaging member has a crosslinked overcoat layer which holds fluorinated nanoparticles. The overcoat layer is formed from an overcoat solution comprising a polymer binder; a hole transport molecule; fluorinated nanoparticles; a fluorinated surfactant; a crosslinking agent; and a free |
| 7575838 |
Imaging members and method for sensitizing a charge generation layer of an imaging member |
August 18, 2009 |
| An imaging member including a substrate; thereover a charge generation layer comprising a thiophosphate; and at least one charge transport layer positioned on the charge generation layer. |
| 7572562 |
Imaging member having antistatic anticurl back coating |
August 11, 2009 |
| 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 metallic compounds in the anticurl b |
| 7569317 |
Imaging member |
August 4, 2009 |
| An imaging member is disclosed which includes a charge generating layer and a charge transport layer. The charge transport layer includes a first charge transport layer adjacent the charge generating layer and at least a second charge transport layer adjacent the first charge transport |
| 7560210 |
Imaging member having antistatic anticurl back coating |
July 14, 2009 |
| 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 thiophosphates in the anticurl back |
| 7553593 |
Titanyl phthalocyanine photoconductors |
June 30, 2009 |
| A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the photogenerating layer contains a titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution c |
| 7553591 |
Imaging member having antistatic anticurl back coating |
June 30, 2009 |
| 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 organic sulfonic acids in the anticu |
| 7541123 |
Imaging member |
June 2, 2009 |
| An imaging member includes an electrically conductive layer; a positive charge blocking layer, an imaging layer, and an undercoat layer. The undercoat layer is intermediate the imaging layer and the electrically conductive layer. The undercoat layer includes a film forming polymer and |
| 7541122 |
Photoconductor having silanol-containing charge transport layer |
June 2, 2009 |
| A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one silanol containing charge transport layer. |
| 7527903 |
Imaging member |
May 5, 2009 |
| 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 |
| 7517624 |
Imaging member |
April 14, 2009 |
| The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member with an improved charge transport layer including a polymeric binder that lowers the surface e |
| 7517623 |
Imaging member having antistatic anticurl back coating |
April 14, 2009 |
| 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 polyol esters and/or amides in the a |
| 7507510 |
Polyphenyl ether phosphate containing photoconductors |
March 24, 2009 |
| 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 ##STR00001## wherein each R.sub.1, R.sub.2, and R.sub.3 is indepen |
| 7504187 |
Mechanically robust imaging member overcoat |
March 17, 2009 |
| 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 an improved electrophotographic imaging member having a p |
| 7498109 |
Electrophotographic imaging member undercoat layers |
March 3, 2009 |
| 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 underc |
| 7498108 |
Thiophosphate containing photoconductors |
March 3, 2009 |
| An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer, and wherein said photogenerating layer contains at least one thiophosphate. |
| 7491480 |
Thiophosphate and antioxidant containing photoconductors |
February 17, 2009 |
| 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. |
| 7485398 |
Titanyl phthalocyanine photoconductors |
February 3, 2009 |
| 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 |
| 7482103 |
Imaging member having antistatic anticurl back coating |
January 27, 2009 |
| 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 an additive of ammonium or phosphonium salts or mixtures |
| 7479358 |
Ether and thiophosphate containing photoconductors |
January 20, 2009 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independentl |
| 7476478 |
Polyphenyl thioether and antioxidant containing photoconductors |
January 13, 2009 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are independ |
| 7473505 |
Ether and antioxidant containing photoconductors |
January 6, 2009 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently selected from the group consisting of hydr |
| 7468229 |
Polyphenyl thioether and thiophosphate containing photoconductors |
December 23, 2008 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are indepen |
| 7462432 |
Polyphenyl thioether and thiophosphate containing photoconductors |
December 9, 2008 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are indepen |
| 7459251 |
Imaging member |
December 2, 2008 |
| An imaging member comprising a barrier or under-layer intermediate a photogenerating layer and charge transport layer to reduce charge deficiency spots. The barrier under-layer comprises a film forming polymer binder selected from a conductive polymer binder, a non-conductive polymer |
| 7459250 |
Polyphenyl ether containing photoconductors |
December 2, 2008 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are independent |
| 7452643 |
Polyphenyl ether and thiophosphate containing photoconductors |
November 18, 2008 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are ind |
| 7445876 |
Ether and thiophosphate containing photoconductors |
November 4, 2008 |
| 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 ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently |
| 7419750 |
Imaging member having antistatic anticurl back coating |
September 2, 2008 |
| 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 esters of phosphoric acid in the ant |
| 7390598 |
Photoreceptor with three-layer photoconductive layer |
June 24, 2008 |
| An imaging member includes a conductive substrate, a charge generating layer, a charge transport layer, and an intermediate layer between the charge generating layer and the charge transport layer, the intermediate layer including a hole transport material, such as three different hole |
| 7344809 |
Imaging members |
March 18, 2008 |
| An imaging member having a charge transport layer is provided. The charge transport layer includes a plurality of charge transport layers coated from solutions of similar or different compositions or concentrations, wherein the upper or additional transport layer(s) comprise a lower |
| 7297457 |
Photosensitive member having an elastomeric transport layer with a protective overcoat layer |
November 20, 2007 |
| An imaging member having a substrate, a charge transport layer having a polymer and a first charge transport material dispersed therein, and wherein the charge transport layer has a glass transition temperature of from about 10 to about 45.degree. C.; and an overcoat layer on the charge |
| 7267917 |
Photoreceptor charge transport layer composition |
September 11, 2007 |
| A charge transport layer composition for a photoreceptor includes at least a binder, at least one arylamine charge transport material, e.g., N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-biphenyl)-4,4'-diamine, and at least one polymer containing carboxylic acid groups or groups capable |
| 7192678 |
Photoreceptor charge transport layer composition |
March 20, 2007 |
| A charge transport layer composition for a photoreceptor includes at least a binder and a charge transport material of about 100% to about 40% by weight of a total of the charge transport layer N,N-dimethylphenyl)-4-biphenylamine and about 0% to about 60% N,N'-dephenyl-N,N'-bis(3-met |
| 7166399 |
Photosensitive member having anti-curl backing layer with lignin sulfonic acid doped polyaniline |
January 23, 2007 |
| An electrostatographic imaging member having a charge-retentive surface and a substrate, an imaging layer to receive an electrostatic latent image thereon, wherein the imaging layer is positioned on one side of the substrate, and an anti-curl backing layer positioned on the substrate on |
| 7052813 |
Imaging member |
May 30, 2006 |
| A charge transport layer for an imaging member comprising a first and second charge transport layer wherein the second charge transport layer comprises a charge transport component, a hindered phenol covalently bonded to a polymer, and an additional polymer binder other than the poly |
| 7033714 |
Imaging members |
April 25, 2006 |
| An imaging member having a charge transport layer is provided. The charge transport layer includes a plurality of charge transport layers coated from solutions of similar or different compositions or concentrations, wherein the upper or additional transport layer(s) comprise a lower |
| 7031647 |
Imageable seamed belts with lignin sulfonic acid doped polyaniline |
April 18, 2006 |
| A belt having a substrate with a first binder and a lignin sulfonic acid doped polyaniline dispersion, along with an image forming apparatus for forming images on a recording medium and having a charge-retentive surface to receive an electrostatic latent image thereon, a development |
| 7022445 |
Imaging member |
April 4, 2006 |
| A charge transport layer for an imaging member comprising a charge transport layer wherein the charge transport layer is coated in two passes and wherein the second pass comprises the application of a charge transport component and a hindered phenol covalently bonded to a polymer. Th |
| 7018756 |
Dual charge transport layer and photoconductive imaging member including the same |
March 28, 2006 |
| A photoconductive imaging member is disclosed comprising a charge generation layer and a charge transport layer comprising an oxidative inhibitor. An electrophotographic imaging process using the imaging member of the invention is also described. |
| 7008741 |
Imaging members |
March 7, 2006 |
| A photoconductive imaging member containing a photogenerating layer, a charge transport layer, or a plurality of charge transport layers, and which charge transport, especially the top charge transport layer contains a vinyl containing organic compound. |
| 7005222 |
Imaging members |
February 28, 2006 |
| An imaging member having a charge transport layer with multiple regions is provided. The charge transport layer includes a plurality of charge transport layers coated from solutions of similar or different compositions or concentrations, wherein at least the top or uppermost transpor |
| 6933089 |
Imaging member |
August 23, 2005 |
| A charge transport layer for an imaging member comprising a dual charge transport layer and wherein the charge transport layers comprise a photogenerating layer; (1) a first charge transport layer comprised of a charge transport component and a resin binder; and thereover and in cont |
| 6790573 |
Multilayered imaging member having a copolyester-polycarbonate adhesive layer |
September 14, 2004 |
| An imaging member including at least a support, a charge blocking layer, a charge imaging layer, and an interfacial adhesive layer including at least a copolyester-polycarbonate resin. A process for fabricating the imaging member is also disclosed. |
| 6780554 |
Imaging member |
August 24, 2004 |
| A charge transport layer for an imaging member comprising a photogenerating layer, (1) a first charge transport layer comprised of a charge transport component and a resin binder, and thereover and in contact with the first layer (2) a second top charge transport layer comprised of a cha |
| 6770410 |
Imaging member |
August 3, 2004 |
| An imaging member including, for example, a substrate, a charge blocking layer, an optional adhesive layer, a charge generating layer, a charge transporting layer comprising a charge transport component and a polymer binder substantially free of low molecular weight fractions. |
