Patents by Inventor Philip G. Perry
Philip G. Perry 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: 7645555Abstract: An electrophotographic photoreceptor and method for forming a photoreceptor is disclosed which is provided with an anticorrosion layer on the interface between the supporting substrate surface and the undercoat layer. The photoreceptor has a high mechanical strength and minimizes defects in print for longer periods of time.Type: GrantFiled: April 8, 2009Date of Patent: January 12, 2010Assignee: Xerox CorporationInventors: Liang-Bih Lin, Philip G. Perry, Andronique Ioannidis, William G. Herbert, David M. Skinner, Jin Wu, Kendra Michele Giza, Nancy Belknap, Yonn Rasmussen, Geoffrey M. T. Foley, John F. Yanus, Jennifer Y. Hwang, Robert P. Altavela
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Publication number: 20090214978Abstract: An electrophotographic photoreceptor and method for forming a photoreceptor is disclosed which is provided with an anticorrosion layer on the interface between the supporting substrate surface and the undercoat layer. The photoreceptor has a high mechanical strength and minimizes defects in print for longer periods of time.Type: ApplicationFiled: April 8, 2009Publication date: August 27, 2009Applicant: XEROX CORPORATIONInventors: Liang-Bih LIN, Philip G. PERRY, Andronique IOANNIDIS, William G. HERBERT, David M. SKINNER, Jin WU, Kendra Michele GIZA, Nancy BELKNAP, Yonn RASMUSSEN, Geoffrey M. T. FOLEY, John F. YANUS, Jennifer Y. HWANG, Robert P. ALTAVELA
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Patent number: 7534535Abstract: 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.Type: GrantFiled: November 23, 2004Date of Patent: May 19, 2009Assignee: Xerox CorporationInventors: Liang-Bih Lin, Philip G. Perry, Andronique Ioannidis, William G. Herbert, David M. Skinner, Jin Wu, Kendra Michele Giza, Nancy Belknap, Yonn Rasmussen, Geoffrey M. T. Foley, John F. Yanus, Jennifer Y. Hwang, Robert P. Altavela
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Patent number: 7335452Abstract: The present disclosure provides photoreceptors and methods for fabricating photoreceptors. Photoreceptor device surfaces and fabrication methods have been designed to suppress a “plywood effect.” One method includes providing a substrate, rotating the substrate, lathing the substrate with a cutting tool and a cutting fluid by at least one pass, cleaning the substrate to remove the cutting fluid, and depositing onto the substrate at least one layer.Type: GrantFiled: November 18, 2004Date of Patent: February 26, 2008Assignee: Xerox CorporationInventors: Philip G. Perry, Gary J. Maier, Gene W. O'Dell, William G. Herbert
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Patent number: 6872426Abstract: An apparatus including: (a) a substrate including a deposition region and an optional uncoated region, wherein the deposition region includes a level intermediate region disposed between a first end region and a second end region, wherein the first end region includes a first recessed surface portion that increases the surface area of the first end region, wherein the first recessed surface portion is recessed below the level intermediate region, wherein the surface area of the first end region is greater by at least about 5% than the surface area of a hypothetical level first end region; and (b) a dip coated layer over the entire deposition region.Type: GrantFiled: December 19, 2001Date of Patent: March 29, 2005Assignee: Xerox CorporationInventors: Philip G. Perry, Linnette Perales Rivera, Charles J. Urso, III
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Publication number: 20030113468Abstract: An apparatus including: (a) a substrate including a deposition region and an optional uncoated region, wherein the deposition region includes a level intermediate region disposed between a first end region and a second end region, wherein the first end region includes a first recessed surface portion that increases the surface area of the first end region, wherein the first recessed surface portion is recessed below the level intermediate region, wherein the surface area of the first end region is greater by at least about 5% than the surface area of a hypothetical level first end region; and (b) a dip coated layer over the entire deposition region.Type: ApplicationFiled: December 19, 2001Publication date: June 19, 2003Applicant: Xerox CorporationInventors: Philip G. Perry, Linnette Perales Rivera, Charles J. Urso
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Patent number: 6528226Abstract: A process for preparing an imaging member includes applying an organic layer to an imaging member substrate, treating the organic layer and/or a backside of the substrate with a corona discharge effluent, and applying an overcoating layer to the organic layer and/or an anticurl backing layer to the backside of the substrate.Type: GrantFiled: November 28, 2000Date of Patent: March 4, 2003Assignee: Xerox CorporationInventors: Robert C. U. Yu, Satchidanand Mishra, Philip G. Perry, Robert W. Nolley, Gene W. O'Dell, Merlin E. Scharfe, John M. Magde, Jr.
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Patent number: 6416389Abstract: A process including providing a member having an exposed outer metal surface and propelling irregularly shaped solid carbon dioxide granules against the exposed outer metal surface with sufficient force to alter the texture of the outer metal surface to a predetermined surface roughness.Type: GrantFiled: July 28, 2000Date of Patent: July 9, 2002Assignee: Xerox CorporationInventors: Philip G. Perry, Rajiv S. Agarwala, Jodie L. Morris, Loren E. Hendrix, Carmen W. Enos, Gregory J. Arserio
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Patent number: 6379858Abstract: A honing means produces sonic waves that suspend and propel a honing medium against a surface of a substrate. The honing medium impinges on the surface of the substrate and alters the substrate's surface roughness. The substrate and the honing means are positioned relative to each other to ensure substantial surface roughness uniformity.Type: GrantFiled: August 14, 2000Date of Patent: April 30, 2002Assignee: Xerox CorporationInventors: Philip G. Perry, Gene W. O'Dell, William G. Herbert, Alexander A. Antonelli
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Patent number: 6221436Abstract: There is disclosed a method for depositing layered material onto a substrate including a layer formed from a coating solution, wherein the method comprises: (a) cleaning the substrate by dipping the substrate into and raising the substrate from a cleaning solvent selected from the group consisting of (i) a mixture comprising an alcohol and an alkane; and (ii) a liquid compatible with the coating solution; and (b) dipping the substrate subsequent to (a) into and raising the substrate from the coating solution, thereby depositing the layer on the substrate, wherein when the cleaning solvent is the liquid compatible with the coating solution, any cleaning solvent present on the substrate upon the dipping of the substrate into the coating solution fails to detrimentally affect the layer.Type: GrantFiled: August 21, 1995Date of Patent: April 24, 2001Assignee: Xerox CorporationInventors: Philip G. Perry, Gene W. O'Dell, William G. Herbert
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Patent number: 6051148Abstract: A photoreceptor fabrication method involving a photoreceptor substrate having a metal surface, comprising etching the metal surface of the photoreceptor substrate with an etching solution and forming a metal oxide layer on the metal surface with the etching solution, wherein the etching of the metal surface and the forming of the metal oxide layer are conducted in the absence of an electric current.Type: GrantFiled: March 5, 1998Date of Patent: April 18, 2000Assignee: Xerox CorporationInventors: Philip G. Perry, William G. Herbert, Alexandra I. Vidal, Gene W. O'Dell, Cornelius Boerman, James E. McNamara
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Patent number: 6048657Abstract: There is disclosed a process for forming a photosensitive imaging member including positioning a substrate and an electrode in an electrolytic solution to form a galvanic cell and electrochemically graining the substrate surface in the absence of an external power source to provide a substrate surface roughness sufficient to substantially suppress the formation of a pattern of light and dark interference fringes upon exposure of the photosensitive imaging member to a light source.Type: GrantFiled: January 28, 1999Date of Patent: April 11, 2000Assignee: Xerox CorporationInventors: William G. Herbert, Philip G. Perry, Alexandra I. Vidal
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Patent number: 5919594Abstract: A photoreceptor fabrication method composed of spraying a honing composition including particulate material against a substrate in a particulate material spray distribution containing only one peak in a graph of the number of particulate material versus distance along the spray area to create a predetermined surface roughness.Type: GrantFiled: May 26, 1998Date of Patent: July 6, 1999Assignee: Xerox CorporationInventors: Philip G. Perry, Warren F. Brydges
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Patent number: 5821026Abstract: There is disclosed a method for surface treating a substrate used in a photosensitive imaging member including: (a) impinging a honing composition comprised of particulate material against the substrate surface to create a surface roughness sufficient to substantially suppress formation of a pattern of light and dark interference fringes upon exposure of the photosensitive imaging member, wherein the particulate material is capable of being dissolved by a solvent; and (b) rinsing the substrate surface having the surface roughness with a cleansing composition comprised of the solvent, wherein any particulate material remaining on the substrate surface having the surface roughness is dissolved by the solvent.Type: GrantFiled: April 28, 1997Date of Patent: October 13, 1998Assignee: Xerox CorporationInventors: Catherine N. Byers, Philip G. Perry, William G. Herbert
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Patent number: 5723422Abstract: A cleaning solution for cleaning substrates such as imaging member substrates includes a weak acid, borax or a polyphosphate, an oil-soluble surfactant, and a water-soluble surfactant such as a water-soluble polysorbate, a polyethylene/polypropylene copolymer or a mixture thereof. The cleaning solution increases the cleaning capability of a corresponding cleaning process, and also improves the efficiency of the cleaning process by avoiding the necessity of neutralization and waste treatment operations.Type: GrantFiled: May 31, 1996Date of Patent: March 3, 1998Assignee: Xerox CorporationInventors: Gene W. O'Dell, Philip G. Perry
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Patent number: 5654118Abstract: There is disclosed an electrostatographic imaging member comprising: (a) a substrate; (b) a charge blocking layer comprised of nickel hydroxide and nickel oxide, wherein the nickel hydroxide content is at least about 10% based on the number of the nickel hydroxide and the nickel oxide molecules; and (c) a least one imaging layer.Type: GrantFiled: July 15, 1996Date of Patent: August 5, 1997Assignee: Xerox CorporationInventors: Huoy-Jen Yuh, William G. Herbert, Alexandra I. Marcu, Philip G. Perry
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Patent number: 4959287Abstract: A xeroradiographic imaging member containing a substrate having an electrically conductive surface, an electroradiographic insulating layer selected from the group consisting of selenium and selenium alloys, and an overcoating layer containing nigrosene, a charge transport compound and a copolyester resin represented by the following formula: ##STR1## wherein the diacid is selected from the group consisting of terephthalic acid, isophthalic acid, and mixtures thereof, the diol comprises ethylene glycol, the mole ratio of the diacid to the diol is about 1:1, n is a number between about 175 and about 350 and the T.sub.g of the copolyester resin is between about 50.degree. C. about 80.degree. C.Type: GrantFiled: September 27, 1989Date of Patent: September 25, 1990Assignee: Xerox CorporationInventors: Damodar M. Pai, Philip G. Perry, Kenneth J. Pheilshifter
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Patent number: 4822712Abstract: An alloy treatment process is disclosed which comprises providing particles of an alloy comprising amorphous selenium and an alloying component selected from the group consisting of tellurium, arsenic, and mixtures thereof, the particles having an average particle size of at least about 300 micrometers and an average weight of less than about 1000 mg, forming crystalline nuclei on at least the surface of the particles while maintaining the substantial surface integrity of the particles, heating the particles to an initial temperature between about 50.degree. C. and about 80.degree. C. for at least about 30 minutes to form a thin, substantially continuous layer of crystalline material on the surface of the particles while maintaining the core of selenium alloy in the particles in an amorphous state, and rapidly heating the particles to at least a second temperature below the softening temperature of the particles that is at least 20.degree. C. higher than the initial temperature and between about 85.degree. C.Type: GrantFiled: April 8, 1988Date of Patent: April 18, 1989Assignee: Xerox CorporationInventors: Geoffrey M. Foley, Santokh S. Badesha, Paul Cherin, Kenneth J. Pheilshifter, Philip G. Perry
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Patent number: 3975681Abstract: An electrode structure comprising a tube of substantially electrically insulating material such as glass, having a rounded tip of substantially electrically insulating material such as rubber, which tip has a capillary opening therethrough, encloses a metallic cathode and liquid electrolyte, and that electrode structure is placed with the tip and capillary opening in contact with the surface of a sample conductive substrate having an electrical barrier layer thereon whose thickness is to be measured, and electrical potential is applied between the cathode and sample conductive substrate, which is the anode in the system, and the thickness of the electrical barrier layer is measured as a function of the highest applied voltage that does not produce a pronounced increase in current flow in the system.Type: GrantFiled: January 10, 1975Date of Patent: August 17, 1976Assignee: Xerox CorporationInventors: Dominic J. Angelini, Philip G. Perry