| 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. |
| 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 |
| 7527906 |
Imaging member having adjustable friction anticurl back coating |
May 5, 2009 |
| The presently disclosed embodiments are directed to anticurl back coatings useful in electrostatography. More particularly, the embodiments pertain to an electrophotographic imaging member with an improved anticurl back coating formulated by a polymer blend comprising two low surface ene |
| 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 |
| 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 |
| 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 |
| 7280791 |
Polyaniline filled polyimide weldable intermediate transfer components |
October 9, 2007 |
| A weldable intermediate transfer belt having a substrate with a homogeneous composition of polyaniline in an amount of from about 2 to about 25 percent by weight of total solids, and a thermoplastic polyimide in an amount of from about 75 to about 98 percent by weight of total solids |
| 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 |
| 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 |
| 7130569 |
Polyaniline filled polyimide weldable intermediate transfer components |
October 31, 2006 |
| A weldable intermediate transfer belt having a substrate with a homogeneous composition of polyaniline in an amount of from about 2 to about 25 percent by weight of total solids, and a thermoplastic polyimide in an amount of from about 75 to about 98 percent by weight of total solids |
| 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 |
| 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 |
| 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. |
| 6582872 |
Process for fabricating electrophotographic imaging member |
June 24, 2003 |
| An electrophotographic imaging member is produced using a substrate coated with a charge transport layer, the material used to coat the charge transport layer has a viscosity of about 1500-2100 cps. This results in decreased variation in charge transport layer thickness. |
| 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 |
| 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 |
| 6221552 |
Permanent photoreceptor marking system |
April 24, 2001 |
| A method for permanently marking a photoreceptor surface includes the steps of irradiating a surface of a photoreceptor with an irradiation source to permanently mark the photoreceptor, and ablating material from the photoreceptor to at least one controlled depth in the photoreceptor wit |
| 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 |
| 6074504 |
Defocused laser seam stress release in flexible electrostatographic imaging member belts |
June 13, 2000 |
| A process for treating a seamed flexible electrostatographic imaging belt including providing an imaging belt having two parallel edges, the belt comprising at least one layer comprising a thermoplastic polymer matrix and a seam extending from one edge of the belt to the other, the seam |
| 6071661 |
Imaging member containing branched polycarbonate |
June 6, 2000 |
| An imaging member including: (a) a substrate layer; (b) an imaging layer; and (c) an abrasion resistant layer selected from the group consisting of an overcoating layer and an anti-curl layer, wherein the abrasion resistant layer includes a branched polycarbonate. |
| 6068722 |
Seam stress release in flexible electrostatographic imaging belts |
May 30, 2000 |
| A process for treating a seamed flexible electrostatographic imaging belt including providing an imaging belt including at least one layer including a thermoplastic polymer matrix and a seam extending from one edge of the belt to the other, providing an elongated support member having a |
| 6056839 |
Rapid electrostatographic belt treatment system |
May 2, 2000 |
| A process for treating a seamed flexible electrostatographic imaging belt including providing an imaging belt including at least one imaging layer including a thermoplastic polymer matrix and a seam extending from one edge of the belt to the other, the seam having a region on the belt |
| 5966573 |
Seamed flexible electrostatographic imaging belt having a permanent localized solid attribute |
October 12, 1999 |
| A flexible electrostatographic imaging belt having two parallel sides and a non imaging seam region extending substantially from one of the sides to the other side, the non-imaging seam region having a leading edge, a trailing edge and a seam within the non imaging seam region, the leadi |
