Patents by Inventor Geoffrey M. T. Foley
Geoffrey M. T. Foley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7074533Abstract: 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 formulaType: GrantFiled: March 25, 2005Date of Patent: July 11, 2006Assignee: Xerox CorporationInventors: Timothy J. Fuller, Satchidanand Mishra, John F. Yanus, Anthony M. Horgan, Geoffrey M. T. Foley, Huoy-Jen Yuh, Dale S. Renfer, Yuhua Tong, Kenny-Tuan T. Dinh, Markus R. Silvestri, John F. Graham
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Patent number: 6967069Abstract: 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 silica, titania or zirconia, and the organic component is a mixture of a phenolic compound and a phenolic resin, and wherein the phenolic compound can contain, for example, at least two phenolic groups.Type: GrantFiled: April 9, 2003Date of Patent: November 22, 2005Assignee: Xerox CorporationInventors: Jin Wu, Jennifer Y. Hwang, Liang-Bih Lin, Geoffrey M. T. Foley, John J. Wilbert
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Patent number: 6919154Abstract: 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 formulaType: GrantFiled: May 5, 2003Date of Patent: July 19, 2005Assignee: Xerox CorporationInventors: Timothy J. Fuller, Satchidanand Mishra, John F. Yanus, Anthony M. Horgan, Geoffrey M. T. Foley, Huoy-Jen Yuh, Dale S. Renfer, Yuhua Tong, Kenny-Tuan T. Dinh, Markus R. Silvestri, John F. Graham
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Publication number: 20040224244Abstract: 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.Type: ApplicationFiled: May 5, 2003Publication date: November 11, 2004Applicant: Xerox CorporationInventors: Timothy J. Fuller, Satchidanand Mishra, John F. Yanus, Anthony M. Horgan, Geoffrey M. T. Foley, Huoy-Jen Yuh, Dale S. Renfer, Yuhua Tong, Kenny-Tuan T. Dinh, Markus R. Silvestri, John F. Graham
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Publication number: 20040202947Abstract: 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 silica, titania or zirconia, and the organic component is a mixture of a phenolic compound and a phenolic resin, and wherein the phenolic compound can contain, for example, at least two phenolic groups.Type: ApplicationFiled: April 9, 2003Publication date: October 14, 2004Applicant: Xerox CorporationInventors: Jin Wu, Jennifer Y. Hwang, Liang-Bih Lin, Geoffrey M.T. Foley, John J. Wilbert
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Patent number: 6751435Abstract: 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 transport molecule, or mixtures thereof.Type: GrantFiled: December 13, 2001Date of Patent: June 15, 2004Assignee: Xerox CorporationInventors: Bing R. Hsieh, Robert C. U. Yu, Satchidanand Mishra, T. Edwin Freeman, Eugene A. Swain, Anthony M. Horgan, Huoy-Jen Yuh, Geoffrey M. T. Foley
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Publication number: 20030143362Abstract: 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 transport molecule, or mixtures thereof.Type: ApplicationFiled: December 13, 2001Publication date: July 31, 2003Applicant: Xerox CorporationInventors: Bing R. Hsieh, Robert C.U. Yu, Satchidanand Mishra, T. Edwin Freeman, Eugene A. Swain, Anthony M. Horgan, Huoy-Jen Yuh, Geoffrey M. T. Foley
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Patent number: 6600888Abstract: 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 to wet the surface with the electrically conductive liquid in a layer ranging in thickness from about 1 to about 100 micrometers; and (c) electrifying the liquid at any time effective for imparting an electrical charge to the surface.Type: GrantFiled: November 2, 2001Date of Patent: July 29, 2003Assignee: Xerox CorporationInventors: Satchidanand Mishra, Zoran D. Popovic, Anthony M. Horgan, Robert C. U. Yu, Geoffrey M. T. Foley, Huoy-Jen Yuh, Eugene A. Swain
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Publication number: 20030086724Abstract: 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 to wet the surface with the electrically conductive liquid in a layer ranging in thickness from about 1 to about 100 micrometers; and (c) electrifying the liquid at any time effective for imparting an electrical charge to the surface.Type: ApplicationFiled: November 2, 2001Publication date: May 8, 2003Applicant: Xerox CorporationInventors: Satchidanand Mishra, Zoran D. Popovic, Anthony M. Horgan, Robert C.U. Yu, Geoffrey M.T. Foley, Huoy-Jen Yuh, Eugene A. Swain
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Patent number: 6132810Abstract: 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 simultaneously over the inner surface by permitting the first coating solution to flow through the second end to be deposited on the inner surface, thereby depositing a first layer over the outer surface and the inner surface; and (b) depositing via dip coating a second coating solution over the first layer on the outer surface of the substrate and simultaneously over the first layer on the inner surface by permitting the second coating solution to flow through the second end to be deposited on the first layer on the inner surface, thereby depositing a second layer over the outer surface and the inner surface, wherein the first layer and the second layer are deposited over all of the outer surface and the inner surface of a predetermineType: GrantFiled: May 14, 1998Date of Patent: October 17, 2000Assignee: Xerox CorporationInventors: Eugene A. Swain, John S. Chambers, Huoy-Jen Yuh, Geoffrey M. T. Foley
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Patent number: 5919590Abstract: 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 adhesion promoter,a siloxane represented by the formula: ##STR1## wherein x and y are independently selected integers between about 5 and about 500,n is a number between 0 and 10, ##STR2## wherein z is number between about 1 and about 30,R.sub.2 and R.sub.3 are independently selected from alkylene groupscontaining from 1 to 10 carbon atoms,R.sub.4 is a hydrogen atom or an alkyl group containing 1 to 3 carbon atoms, andoptional dispersed particles selected from the group consisting of inorganic particles, organic particles, and mixtures thereof.Type: GrantFiled: November 20, 1998Date of Patent: July 6, 1999Assignee: Xerox CorporationInventors: Robert C. U. Yu, Geoffrey M. T. Foley, Satchidanand Mishra, Richard L. Post, Yonn K. Rasmussen, John F. Yanus
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Patent number: 5895529Abstract: 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 the bladder, the second spindle being movable to press the bladder against the substrate and to shape the bladder and the substrate into an elongated shape.Type: GrantFiled: June 19, 1997Date of Patent: April 20, 1999Assignee: Xerox CorporationInventors: Geoffrey M. T. Foley, Robert W. Hedrick, Henry T. Mastalski, Ernest F. Matyi, Yonn K. Rasmussen, Mark S. Thomas, Huoy-Jen Yuh, William G. Herbert, Gary J. Maier
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Patent number: 5725667Abstract: 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 disposed in the vessel, wherein the solution is comprised of materials employed in a photosensitive member and including a solvent that gives off a solvent vapor; and (c) a solvent vapor uniformity control apparatus which minimizes any difference in solvent vapor concentration encountered by the batch of the substrates in the air adjacent the solution surface, thereby improving coating uniformity of the substrates.Type: GrantFiled: March 1, 1996Date of Patent: March 10, 1998Assignee: Xerox CorporationInventors: Mark C. Petropoulos, Geoffrey M. T. Foley, Eugene A. Swain, David J. Kilmer, Mark S. Thomas, Stanley J. Pietrzykowski, Jr., Robert S. Foltz, Peter J. Schmitt, Richard P. Millonzi
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Patent number: 5709765Abstract: 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 may be a component of a composite cylindrical device including a rigid drum substrate supporting the flexible belt in a stretched condition. The composite cylindrical device may be fabricated by 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 outer surface and an inner surface circumference of at least about 0.Type: GrantFiled: October 31, 1994Date of Patent: January 20, 1998Assignee: Xerox CorporationInventors: William G. Herbert, Robert C.U. Yu, Geoffrey M.T. Foley, William W. Limburg, Richard L. Post, Donald C. VonHoene, Satchidanand Mishra
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Patent number: 5708931Abstract: 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 apparatus for charging the surface of the imaging member, thereby resulting in a charged surface; (c) exposure apparatus for exposing a portion of the charged surface to radiation, thereby substantially discharging the exposed portion, wherein the substantially discharged, exposed portion corresponds to the image area of the latent image; and (d) a single component development apparatus for depositing toner particles on the substantially discharged, exposed portion of the imaging member.Type: GrantFiled: July 26, 1996Date of Patent: January 13, 1998Assignee: Xerox CorporationInventors: Geoffrey M. T. Foley, William G. Herbert, Mark C. Petropoulos, Richard H. Nealey, Robert A. Duffy
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Patent number: 5681440Abstract: 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 encapsulating material must adhere to the nickel substrate. Encapsulation of the nickel substrate prevents exposure of the nickel and thus avoids the hazardous nickel dust particles that can occur when the nickel is exposed.Type: GrantFiled: June 27, 1996Date of Patent: October 28, 1997Assignee: Xerox CorporationInventors: William G. Herbert, Geoffrey M. T. Foley, Huoy-Jen Yuh
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Patent number: 5635324Abstract: 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 an undercoat film including, for example, an organometallic compound or an organometallic chelate compound such as any suitable hydrolyzable organozirconium, organotitanium or organoaluminum compound with a silane. Elimination of the "pepper spot" print defect is accomplished without the addition of a thickening agent to the undercoat film.Type: GrantFiled: March 20, 1995Date of Patent: June 3, 1997Assignee: Xerox CorporationInventors: Yonn K. Rasmussen, Geoffrey M. T. Foley, Richard L. Post, Robert C. U. Yu, Satchidanand Mishra, John F. Yanus
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Patent number: 5633046Abstract: 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 (b) dipping the substrate in the same coating solution and raising the substrate, thereby increasing the thickness of the coating.Type: GrantFiled: May 22, 1995Date of Patent: May 27, 1997Assignee: Xerox CorporationInventors: Mark C. Petropoulos, Geoffrey M. T. Foley, Robert W. Hedrick, Richard H. Nealey
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Patent number: 5606396Abstract: 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 belt having a charge transport layer tension strain of less than about 0.05 percent across the width of the belt, mounting the imaging belt on a plurality of spaced apart support rollers, transporting the belt around the support rollers, repeatedly applying a cross belt compression strain distributed in an arcuate gradient of increasing intensity from the longitudinal centerline of the belt to each of the edges of the belt, the strain applied at each of the edges of the belt repeatedly peaking to an intensity at the longitudinal edges of at least about 0.Type: GrantFiled: January 6, 1995Date of Patent: February 25, 1997Assignee: Xerox CorporationInventors: Robert C. U. Yu, Geoffrey M. T. Foley, Richard L. Post, William W. Limburg, Youti Kuo, Donald C. Von Hoene, Satchidanand Mishra, David H. Pan, Yonn K. Rasmussen, Dale S. Renfer, John F. Yanus, Richard L. Schank
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Patent number: 5599646Abstract: 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 vessel prior to (c); (b) dipping the plurality of the substrates having the elongated shape into a coating solution disposed in the coating vessel; and (c) raising the plurality of the substrates having the elongated shape from the coating solution, thereby resulting in coated substrates.Type: GrantFiled: March 29, 1996Date of Patent: February 4, 1997Assignee: Xerox CorporationInventors: Geoffrey M. T. Foley, William G. Herbert, Eugene A. Swain, Yonn K. Rasmussen, Gary J. Maier