| Patent Number |
Title Of Patent |
Date Issued |
| 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. |
| 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. |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7361440 |
Anticurl backing layer for electrostatographic imaging members |
April 22, 2008 |
| The presently disclosed embodiments are directed to anticurl backing layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member with an improved anticurl backing layer including a low surface energy polymeric material to p |
| 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 |
| 7309551 |
Electron conductive overcoat layer for photoreceptors |
December 18, 2007 |
| An imaging member includes a substrate, a charge generating layer, a charge transport layer, and an outer overcoat layer including an electron conductive material. |
| 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 |
| 7291428 |
Imaging members |
November 6, 2007 |
| An electrophotographic imaging member having a charge generating layer and a charge transport layer overlayed thereon is provided. The charge transport layer has a lower surface and an upper surface, wherein the lower surface is in contiguous contact with the charge generating layer. |
| 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 |
| 7182903 |
Endless belt member stress relief |
February 27, 2007 |
| Multilayered web stock is directed toward a curved surface and at least one layer of the web stock is heated to a temperature above a glass transition temperature of the at least one layer of the web stock. The heating can occur just before or upon engaging the curved surface. The te |
| 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 |
| 7166397 |
Imaging members |
January 23, 2007 |
| An electrophotographic imaging member having a charge generating layer and a charge transport layer overlayed thereon is provided. The charge transport layer has a lower surface and an upper surface, wherein the lower surface is in contiguous contact with the charge generating layer. |
| 7150950 |
Photosensitive member having ground strip with lignin sulfonic acid doped polyaniline |
December 19, 2006 |
| An electrostatographic imaging member having a flexible supporting substrate, an imaging layer capable of retaining an electrostatic latent image, and an electrically conductive ground strip layer comprising a film forming binder and a lignin sulfonic acid doped polyaniline dispersio |
| 7125633 |
Imaging member having a dual charge transport layer |
October 24, 2006 |
| An imaging member having a charge transport layer with multiple regions or layers is provided. The charge transport layer includes at least two charge transport layers coated from solutions of different components and concentrations, wherein the second (top) transport layer comprises a |
| 7094048 |
Flexible imaging member belt seam smoothing method |
August 22, 2006 |
| Apparatus comprising a support member having a flat surface adapted to receive and support a seam region of a flexible belt comprising thermoplastic polymer material having a predetermined glass transition temperature, a heatable member having a smooth heatable flat surface for compr |
| 7074533 |
Photoconductive members |
July 11, 2006 |
| A photoconductive imaging member containing a supporting substrate, a photogenerating layer, a charge transport layer, and in contact with the charge transport layer a layer comprised of a polymer and a yellow dye of the formula ##STR00001## |
| 7045262 |
Photoconductive imaging members |
May 16, 2006 |
| A photoconductive imaging member comprised of a photogenerating layer and a charge transport layer, and wherein the charge transport layer contains a polymeric solid acid. |
| 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 |
| 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 |
| 6919154 |
Photoconductive members |
July 19, 2005 |
| A photoconductive imaging member containing a supporting substrate, a photogenerating layer, a charge transport layer, and in contact with the charge transport layer comprised of a polymer and a yellow dye of the formula ##STR1## |
| 6751435 |
Intermediate transfer member comprising charge transport layer |
June 15, 2004 |
| A seamed or seamless intermediate transfer member comprising a layer having an oxidized charge transport molecule, a charge transport molecule, or mixtures thereof, wherein in the seamed embodiment, the seam adhesive may also include an oxidized charge transport molecule, a charge transp |
| 6652691 |
Seam stress release and protrusion elimination process |
November 25, 2003 |
| A process for providing an improved imaging member belt having a welded seam which exhibits greater resistance to dynamic fatigue induced seam cracking and delamination. An apparatus for achieving stress relaxation and eliminating protrusions in the seam region is also disclosed. |
| 6600888 |
Liquid charging method and apparatus |
July 29, 2003 |
| A method including: (a) dispensing an electrically conductive liquid into a contact member permeable to the liquid; (b) rubbing the contact member and a surface against each other, at a contact length greater than a tangential contact length, to release the liquid from the contact member |
| 6376141 |
Photoreceptor with layered charge generation section |
April 23, 2002 |
| An electrophotographic imaging member with a charge generation section having separate layers of benzimidazole perylene photoconductive pigment and hydroxygallium ptalocyanine photoconductive pigment. |
| 6372396 |
Electrostatographic imaging member process |
April 16, 2002 |
| A process including providing at least a flexible substrate layer having a first major surface on one side and a second major surface on a second side opposite the first major surface, the first major surface being an exposed surface, applying a coating of an anticurl backing layer d |
| 6350550 |
Photoreceptor with adjustable charge generation section |
February 26, 2002 |
| A charge generation section of an electrophotographic imaging member, having hydroxygallium phthalocyanine photoconductive pigment and benzimidazole perylene photoconductive pigment in a solvent solution comprising a film forming polymer or copolymer dissolved in a solvent. |
| 6328922 |
Process for post treatment of a flexible imaging member belt |
December 11, 2001 |
| A process for post treatment of an imaging member belt includingproviding a support member having a smooth flat surface,providing a flexible belt having a welded seam,supporting the inner surface of the seam on the smooth flat surface,contacting the seam with a heated surface,heating the seam region |
| 6117603 |
Electrostatographic imaging member having an improved imaging layer |
September 12, 2000 |
| An electrostatographic imaging member includinga supporting substrate having an electrically conductive outer surface andat least one layer having an exposed imaging surface, the layer including a continuous matrix comprising a film forming polymer and a surface energy lowering liquid polysi |
