| Patent Number |
Title Of Patent |
Date Issued |
| 7622230 |
Phosphate ester containing photoconductors |
November 24, 2009 |
| A photoconductor containing a substrate, an undercoat layer thereover wherein the undercoat layer includes, for example, a polyol resin, an aminoplast resin, a polymeric phosphate ester adhesion component, and a metal oxide; and at least one imaging layer, such as a photogenerating a |
| 7618758 |
Silanol containing perylene photoconductors |
November 17, 2009 |
| A photoconductor containing an optional supporting substrate, a perylene silanol photogenerating layer, and at least one charge transport layer. |
| 7618756 |
Photoconductors containing chelating components |
November 17, 2009 |
| 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. |
| 7604914 |
Imaging member |
October 20, 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 a photoreceptor undercoat layer that includes polyol and |
| 7592109 |
Thick electrophotographic imaging member undercoat layers |
September 22, 2009 |
| Binders containing metal oxide nanoparticles and a co-resin of acrylic polyol resin and blocked polyisocyanate resin, and electrophotographic imaging member undercoat layer containing the binders. |
| 7588872 |
Photoreceptor |
September 15, 2009 |
| An electrophotographic imaging member includes a substrate, an optional intermediate (undercoat) layer, a photogenerating layer, which can be a single layer of include separate charge generating and charge transport layers, and an optional overcoating layer, wherein the photogenerating |
| 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 |
| 7579126 |
Hole blocking layer containing photoconductors |
August 25, 2009 |
| 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. |
| 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 |
| 7563549 |
Imaging member |
July 21, 2009 |
| Provided is an imaging member comprising a substrate, an undercoat layer (UCL), a charge generation layer, a charge transport layer, and an optional overcoat layer. The undercoat layer is formed from a single-phase UCL coating formulation comprising an organic titanate, a polymer con |
| 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 |
| 7560208 |
Polyester containing member |
July 14, 2009 |
| A photoconductor containing a substrate, an undercoat layer thereover comprising a resin mixture of, for example, a polyol resin, and an aminoplast resin, and a polyester, and a metal oxide; a photogenerating layer and at least one, such as 1 to about 4, charge transport layer. |
| 7560206 |
Photoconductors with silanol-containing photogenerating layer |
July 14, 2009 |
| A photoconductor containing an optional supporting substrate, a silanol containing photogenerating layer, and at least one charge transport layer. |
| 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 |
| 7544454 |
Photoreceptor layer having rhodamine additive |
June 9, 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 a photoreceptor that incorporates a rhodamine compound th |
| 7544452 |
Thick undercoats |
June 9, 2009 |
| Binders containing metal oxide nanoparticles and a co-resin of phenolic resin and aminoplast resin, and electrophotographic imaging member undercoat layer containing the binders. |
| 7544451 |
Photoreceptor layer having antioxidant lubricant additives |
June 9, 2009 |
| An imaging member containing a substrate, and an outer layer containing an antioxidant lubricant additive, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said charge- |
| 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. |
| 7534536 |
Polyarylate containing member |
May 19, 2009 |
| A photoconductor containing a substrate, an undercoat layer thereover comprising a polyol resin, an aminoplast resin, a polyarylate, a siloxane modified polyarylate, an epoxy modified polyarylate, or a urethane modified polyarylate, or an amine modified polyarylate, and a metal oxide |
| 7534535 |
Photoreceptor member |
May 19, 2009 |
| An electrophotographic photoreceptor is disclosed which is provided with an anti-corrosion layer on the interface between the substrate surface and hole blocking layer. The photoreceptor has high mechanical strength and minimizes defects in print for longer periods of time. |
| 7527904 |
Imaging member |
May 5, 2009 |
| An imaging device including a substrate, a charge generating layer, and a charge transport layer is disclosed. A particular charge generating layer is disclosed that includes porphine, or its derivatives, to facilitate charge generation while suppressing ghosting and improving photorecep |
| 7527902 |
Photoreceptor layer having solid and liquid lubricants |
May 5, 2009 |
| An imaging member containing a substrate, and an outer layer containing solid and liquid lubricants, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said charge-retent |
| 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 |
| 7510810 |
Cyanoresin polymers and electrophotographic imaging members containing cyanoresin polymers |
March 31, 2009 |
| Cyanoresin polymer reaction products of a hydroxyl-containing polymers and acrylonitrile, where at least one side chain group of the cyanoresin polymer is a cyano group, and electropotographic imaging members containing cyanoresin polymers. |
| 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. |
| 7485399 |
Imaging members having undercoat layer with a polymer resin and near infrared absorbing componen |
February 3, 2009 |
| An imaging member including a metal or metallized substrate; an undercoat layer comprising a polymer resin and a near infrared absorbing component that absorbs at an imaging member exposure wavelength and has a high molar extinction coefficient; and one or more additional layers disposed |
| 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 |
| 7476477 |
Thiophosphate containing photoconductors |
January 13, 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, and wherein the thiophosphate is present in an amount of from about |
| 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 |
| 7468231 |
Imaging members |
December 23, 2008 |
| An imaging member comprising a supporting substrate; a single layer photoreceptor for both charge generation and charge transport disposed on the supporting substrate, the single layer photoreceptor comprising a binder containing a polyhedral oligomeric silsesquioxane; a cross-linking |
| 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 |
| 7468208 |
Polytetrafluoroethylene-doped photoreceptor layer having polyol ester lubricants |
December 23, 2008 |
| An imaging member containing a substrate, and a layer containing a polytetrafluoroethylene and a polyol ester, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said cha |
| 7462433 |
Photoreceptor additive |
December 9, 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 a photoreceptor additive to improve image quality. |
| 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 |
| 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 |
| 7427462 |
Photoreceptor layer having rhodamine additive |
September 23, 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 a photoreceptor that incorporates a rhodamine compound th |
| 7427440 |
Photoreceptor layer having polyether lubricants |
September 23, 2008 |
| An imaging member containing a substrate, and an outer layer containing a polyether lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said charge-retentive surfac |
| 7419752 |
Imaging member having polyvinylidene chloride barrier polymer resins |
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 a photoreceptor additive to improve impermeability to gas |
| 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 |
| 7413835 |
Imaging members |
August 19, 2008 |
| An electrophotographic imaging member having a thermoplastic charge transport layer comprising a charge transport compound, a polycarbonate polymer binder, a particulate dispersion, and a high boiler compatible organic liquid. The disclosed charge transport layer exhibits enhanced we |
