| Patent Number |
Title Of Patent |
Date Issued |
| 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. |
| 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 |
| 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. |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7341812 |
Photosensitive member having two layer undercoat |
March 11, 2008 |
| An imaging member having a substrate, an electroconducting layer having an electroconducting particle of a core and outer shell, an interfacial layer, and a charge transport layer with charge transport materials dispersed therein. |
| 7312007 |
Photoconductive imaging members |
December 25, 2007 |
| A photoconductive member containing a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer contains a metallic component like a titanium oxide and a polymeric binder. |
| 7205079 |
Imaging member |
April 17, 2007 |
| A photoconductive imaging member includes a substrate, hole blocking layer, a photogenerating layer, and a charge transport layer, wherein the charge transport layer is formed in a sol-gel process. The charge transport layer includes an in situ formed organic-inorganic composite, and |
| 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## |
| 6967069 |
Photoconductive imaging members |
November 22, 2005 |
| A photoconductive imaging member including a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer contains, for example, a metal oxide dispersed in an in situ formed inorganic/organic network wherein the inorganic component is |
| 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 |
| 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 |
| 6132810 |
Coating method |
October 17, 2000 |
| A coating method using an endless, hollow substrate in the shape of a belt or cylinder having an outer surface, an inner surface, a first end, and an open second end, including: (a) depositing via dip coating a first coating solution over the outer surface of the substrate and simultaneo |
| 5919590 |
Electrostatographic imaging member having abhesive anti-curl layer |
July 6, 1999 |
| An electrostatographic imaging member comprisinga supporting substrate having an electrically conductive layer,at least one imaging layer,an anti-curl layer,an optional ground strip layer andan optional overcoating layer,the anti-curl layer includinga film forming polycarbonate binder,an optional ad |
| 5895529 |
Chuck apparatus for substrate shaping |
April 20, 1999 |
| There is disclosed a chuck apparatus for holding and shaping a hollow, flexible, endless substrate during dip coating comprising: (a) a hollow, flexible bladder adapted to be disposed within the substrate; and (b) a first spindle and a second spindle which are partially disposed within t |
| 5725667 |
Dip coating apparatus having a single coating vessel |
March 10, 1998 |
| There is disclosed a dip coating apparatus including: (a) a single coating vessel capable of containing a batch of substrates vertically positioned in the vessel, wherein there is absent vessel walls defining a separate compartment for each of the substrates; (b) a coating solution dispo |
| 5709765 |
Flexible belt system |
January 20, 1998 |
| A flexible belt is disclosed which includes a major segment and at least one narrow minor segment, the narrow minor segment extending from one end of the belt to the opposite end and being more extendible than the major segment when subjected to an externally applied tension. This belt m |
| 5708931 |
Magnetic imaging member |
January 13, 1998 |
| The enclosed an electrostatographic printing apparatus including: (a) an imaging member capable of retaining a latent image, wherein the imaging member includes an imaging layer on a substrate comprised of a magnetic material with a magnetic permeability of at least 1.001; (b) charging |
| 5681440 |
Encapsulated nickel photoreceptor substrate |
October 28, 1997 |
| An electroforming process and apparatus for creating a nickel or like substrate encapsulated by another material to prevent wear to the nickel substrate. The encapsulation of the nickel substrate requires encapsulation of the inner and outer diameter of the nickel substrate. The enca |
| 5635324 |
Multilayered photoreceptor using a roughened substrate and method for fabricating same |
June 3, 1997 |
| A photoreceptor and method eliminate interference-fringe print defect due to interference effects caused by reflected beams from various interfaces in a multilayered photoreceptor. The substrate surface is formed with specific dimensions so as to enable the coating of the substrate with |
| 5633046 |
Multiple dip coating method |
May 27, 1997 |
| There is disclosed a dip coating method for fabricating a photosensitive member comprising: (a) dipping a substrate into a coating solution comprised of a photosensitive material and raising the substrate, thereby depositing a coating of the photosensitive material on the substrate; and |
| 5606396 |
Imaging process using flexible electrostatographic imaging member |
February 25, 1997 |
| An electrostatographic imaging process is disclosed which includes providing a flexible electrostatographic, particularly electrophotographic, imaging belt including a substrate layer, a charge generating layer, charge transport layer, and two parallel longitudinal edges, the imaging |
| 5599646 |
Higher substrate density dip coating method |
February 4, 1997 |
| There is disclosed a dip coating method comprising: (a) shaping the widths of a plurality of hollow, flexible, endless substrates into an elongated shape and arranging the plurality of the elongated substrates into a configuration for dipping into a coating solution of a single coating |
| 5578410 |
Dip coating method |
November 26, 1996 |
| There is disclosed a dip coating method for fabricating a photosensitive member employing a substrate which defines a top non-imaging portion, a middle imaging portion, and a bottom non-imaging portion, wherein the method comprises: (a) immersing the bottom non-imaging portion, the middl |
| 5576803 |
Electrostatographic imaging drum end cap and drum assembly |
November 19, 1996 |
| An electrostatographic imaging member assembly including a hollow electrostatographic imaging drum having a first end and a second end, at least one coating on the drum extending to at least the first end of the drum, the coating having an outer electrostatographic imaging surface and |
| 5550618 |
Drum imaging structure with photosensitive member |
August 27, 1996 |
| An electrostatographic imaging structure is provided having at least one distinct outer layer including a rotary drum having an outer peripheral surface, a retainer either separate from or a part of the drum or a hold down mechanism, and a photosensitive member held down to the periphera |
| 5520399 |
Chuck assembly |
May 28, 1996 |
| There is disclosed a chuck assembly for engaging the inner surface of a hollow substrate comprising: (a) a fluid impermeable elastic membrane including a substrate engaging portion, wherein the inner surface of the membrane defines an interior space; and (b) a plurality of radially m |
| 5518854 |
Flexible tubes supported on rigid drum |
May 21, 1996 |
| A method of fabricating a cylindrical device comprising having at least one distinct outer layer comprising providing a preformed rigid cylindrical support drum having a predetermined outer circumference, a first end and a second end, providing a flexible belt having an inner circumferen |
| 5469242 |
Corona generating device having a heated shield |
November 21, 1995 |
| A corona generating device of the type having a conductive shield partially surrounding a corona discharge electrode is provided with heating element. The heating element raises the surface temperature of the conductive shield to reduce or eliminate the adsorption of corona effluents and |
| 5460911 |
Electrophotographic imaging member free of reflection interference |
October 24, 1995 |
| An electrophotographic imaging member is disclosed comprising a substrate, a hole blocking, an optional interface adhesive layer, a charge generating layer, and a charge transport layer, the hole blocking layer comprising a light absorbing material selected from the group consisting of a |
| 5451311 |
Endless belts incorporating thickened bands |
September 19, 1995 |
| Apparatus and process are disclosed for fabricating an endless metal belt comprising a center region between a first end region and a second end region, wherein a portion of the first end region is at least 1.5 times thicker than the center region, thereby resulting in a thickened end |
| 5415961 |
Flexible belt supported on rigid drum for electrophotographic imaging |
May 16, 1995 |
| A method of fabricating a cylindrical device comprising having at least one distinct outer layer comprising providing a preformed rigid cylindrical support drum having a predetermined outer circumference, a first end and a second end, providing a flexible belt having an inner circumferen |
