Patents by Inventor Louis D. Fratangelo
Louis D. Fratangelo 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: 7291399Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer or an elastomer, and, on the layer, a coating including mercapto- and amino-functionalities comprising from about 0.05 mole percent to about 1.00 mole percent mercapto groups and from about 0.0001 mole percent to about 0.06 mole percent amino groups, wherein the ratio of mercapto to amino mole percent values is at least 2. The layer preferably is a fluoropolymer or fluoroelastomer filled with a metal oxide (CuO, Al2O3, etc.).Type: GrantFiled: April 9, 2004Date of Patent: November 6, 2007Assignee: Xerox CorporationInventors: Samuel Kaplan, Santokh Badesha, Mark Amico, Alexander Klymachyov, Johan Marien van der Werf, Peter MHM Peeters, John Connor, Peter Karran, Louis D. Fratangelo, Mark John Lillie
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Patent number: 6566027Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.Type: GrantFiled: April 20, 2001Date of Patent: May 20, 2003Assignee: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, Santokh S. Badesha, George J. Heeks, Che C. Chow, David H. Pan, Louis D. Fratangelo, David J. J. Fraser, Yu-hsing Chin
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Patent number: 6389261Abstract: A low load fuser member for heating and fusing high quality toner images onto an image carrying substrate is provided. The low load fuser member includes a soft, low durometer and thermally non-conductive first elastomeric material member for forming a relatively large fusing nip at a relatively low load; a second and thermally conductive elastomeric material forming an intermediate layer over the first elastomeric material member; and a toner image release layer formed over the intermediate layer for facilitating release of fused toner images.Type: GrantFiled: October 19, 2000Date of Patent: May 14, 2002Assignee: Xerox CorporationInventors: Louis D. Fratangelo, Patrick J. Finn, Richard G. Labombard
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Patent number: 6289587Abstract: There is disclosed a method for reusing a fuser member containing an outer layer having an original fusing surface that is deficient including: removing a portion of the thickness of the outer layer including the original fusing surface to create on the remaining outer layer a new fusing surface.Type: GrantFiled: June 12, 1997Date of Patent: September 18, 2001Assignee: Xerox CorporationInventors: David Battat, Santokh S. Badesha, Clifford O. Eddy, Louis D. Fratangelo, Arnold W. Henry, Alan R. Kuntz
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Publication number: 20010019768Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.Type: ApplicationFiled: April 20, 2001Publication date: September 6, 2001Applicant: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, Santokh S. Badesha, George J. Heeks, Che C. Chow, David H. Pan, Louis D. Fratangelo, David J. J. Fraser, Yu-Hsing Chin
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Patent number: 6261688Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.Type: GrantFiled: August 20, 1999Date of Patent: July 17, 2001Assignee: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, Santokh S. Badesha, George J. Heeks, Che C. Chow, David H. Pan, Louis D. Fratangelo, David J. J. Fraser, Yu-hsing Chin
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Patent number: 6253055Abstract: A fuser member having a fuser member release agent for use in an electrophotographic apparatus for enhancing toner release from a fuser member, the fuser member having a substrate, an outer fluoropolymer layer optionally having a conductive filler, and a silicone hydride release oil component thereover and methods and imaging apparatus thereof, are set forth.Type: GrantFiled: November 5, 1996Date of Patent: June 26, 2001Assignee: Xerox CorporationInventors: Santokh S. Badesha, David H. Pan, Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, George J. Heeks, Che C. Chow, Louis D. Fratangelo, David J. J. Fraser, Edward C. Hanzlik
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Patent number: 6159588Abstract: The present invention relates to a fuser member useful in electrostatographic, including digital apparatuses, the fuser member having a) a substrate, and b) a thermally conductive fusing layer with a fluoropolymer, a micron-sized alumina, a high surface area alumina having a particle size smaller than that of the micron-sized alumina, and crosslinked silicone particles.Type: GrantFiled: September 25, 1998Date of Patent: December 12, 2000Assignee: Xerox CorporationInventors: Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, James B. Maliborski, Samuel Kaplan, Louis D. Fratangelo, Che C. Chow, Yu-hsing Chin
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Patent number: 5753307Abstract: Fluoroelastomer surfaces and a method for providing a fluoroelastomer surface on a supporting substrate which includes dissolving a fluoroelastomer; adding a dehydrofluorinating agent; adding an amino silane to form a resulting homogeneous fluoroelastomer solution; and subsequently providing at least one layer of the homogeneous fluoroelastomer solution to the supporting substrate.Type: GrantFiled: March 28, 1996Date of Patent: May 19, 1998Assignee: Xerox CorporationInventors: Santokh S. Badesha, David H. Pan, George J. Heeks, Arnold W. Henry, Victor Berko-Boateng, Louis D. Fratangelo, Robert M. Ferguson
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Patent number: 5729813Abstract: A hard, long wearing, thermally conductive fuser member comprising a base member and a surface layer wherein said surface layer includes a fluoroelastomer and an alumina filler having an average particle size of from about 0.5 to about 15 micrometers, said alumina being present in an amount to provide a thermal conductivity of at least about 0.24 watts/meter .degree.Kelvin in said surface layer.Type: GrantFiled: December 13, 1995Date of Patent: March 17, 1998Assignee: Xerox CorporationInventors: Clifford O. Eddy, Louis D. Fratangelo, George J. Heeks, Arnold W. Henry, Alan R. Kuntz, Rabin Moser, David Battat, Samuel Kaplan, Santokh S. Badesha, Che Chung Chow, David H. Pan, David J. J. Fraser, Yu-Hsing Chin
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Patent number: 5587208Abstract: A method of making a low surface energy material such as a fuser member comprising providing a shaped fluoroelastomer, preparing a solvent solution of a polyorganosiloxane having reactive functionality and the formula: ##STR1## where R is an alkyl, alkenyl or aryl group having less than 19 carbon atoms or an aryl group substituted with an alkyl or alkenyl group having less than 19 carbon atoms, the functional group A is epoxy, vinyl, acrylic, allylic or methacrylic and n is 2 to 350, contacting the fluoroelastomer with the solution to form at least a thin coating of the polyorganosiloxane on said fluoroelastomer and exposing the coated fluoroelastomer to a level of radiation to form a thin surface layer of the polyorganosiloxane grafted to said fluoroelastomer.Type: GrantFiled: November 22, 1993Date of Patent: December 24, 1996Assignee: Xerox CorporationInventors: Santokh S. Badesha, David H. Pan, William M. Prest, Jr., Arnold W. Henry, George J. Heeks, Louis D. Fratangelo
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Patent number: 5530536Abstract: A soft sleeveless long wearing pressure roll member having a cylindrical core, wherein the pressure roll has thereon, a nonswelling in silicone oil, layer of a thermally stable hydrofluoroelastomer having a Young's modulus of elasticity less than 500 lbs./in..sup.2, from about 250 mils. to about 500 mils. in thickness and a hardness of from about 45 to about 60 Shore A is provided.Type: GrantFiled: December 10, 1993Date of Patent: June 25, 1996Assignee: Xerox CorporationInventors: Arnold W. Henry, George J. Heeks, Clifford O. Eddy, Louis D. Fratangelo
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Patent number: 5512409Abstract: The method of fusing thermoplastic resin toner images to a substrate in a fuser including a heated thermally stable FKM hydrofluoroelastomer fusing surface at elevated temperature prepared in the absence of anchoring sites for a release agent of heavy metals, heavy metal oxides, or other heavy metal compounds forming a film of a fluid release agent on the elastomer surface of an amino functional oil having the formula: ##STR1## where 50.ltoreq.n.ltoreq.200, p is 1 to 5, and R.sub.1, R.sub.2 and R.sub.3 are alkyl or arylalkyl radicals having 1 to 18 carbon atoms, R.sub.4 is an alkyl or arylalkyl radicals having 1 to 18 carbon atoms and a polyorganosiloxane chain having 1 to 100 diorganosiloxy repeat units, and R.sub.Type: GrantFiled: September 29, 1994Date of Patent: April 30, 1996Assignee: Xerox CorporationInventors: Arnold W. Henry, Clifford O. Eddy, George J. Heeks, Che C. Chow, Louis D. Fratangelo, David Fraser, Samuel Kaplan, David H. Pan
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Patent number: 5480938Abstract: A low surface energy material comprising a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by a hydrosilation reaction, addition of a hydrogen functionally terminated polyorganosiloxane and a hydrosilation reaction catalyst.Type: GrantFiled: November 22, 1993Date of Patent: January 2, 1996Assignee: Xerox CorporationInventors: Santokh S. Badesha, George J. Heeks, Arnold W. Henry, David H. Pan, Louis D. Fratangelo, Robert M. Ferguson
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Patent number: 5370931Abstract: A fuser member comprised of a supporting substrate comprising an outer layer of a volume grafted elastomer, which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by addition polymerization by the addition of an alkene or alkyne functionally terminated polyorganosiloxane and a polymerization initiator; and wherein said outer layer contains a reactive metal oxide in an amount of from about 2 to about 7 weight percent.Type: GrantFiled: May 27, 1993Date of Patent: December 6, 1994Assignee: Xerox CorporationInventors: Louis D. Fratangelo, Santokh S. Badesha, Arnold W. Henry, Robert M. Ferguson, David H. Pan, George J. Heeks, Victor Berko-Boateng, Lieng-Huang Lee
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Patent number: 5366772Abstract: A fuser member comprising a supporting substrate, and a outer layer comprised of an integral interpenetrating hybrid polymeric network comprised of a haloelastomer, a coupling agent, a functional polyorganosiloxane and a crosslinking agent.Type: GrantFiled: July 28, 1993Date of Patent: November 22, 1994Assignee: Xerox CorporationInventors: Santokh S. Badesha, Robert M. Ferguson, Louis D. Fratangelo, George J. Heeks, Arnold W. Henry, David H. Pan
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Patent number: 5340679Abstract: An intermediate toner transfer component comprised of a substrate and thereover a coating comprised of a volume grafted elastomer, which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by addition polymerization by the addition of an alkene or alkyne functionally terminated polyorganosiloxane and a polymerization initiator.Type: GrantFiled: March 22, 1993Date of Patent: August 23, 1994Assignee: Xerox CorporationInventors: Santokh S. Badesha, Joseph Mammino, Dennis A. Abramsohn, Donald S. Sypula, Arnold W. Henry, George J. Heeks, David H. Pan, Louis D. Fratangelo
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Patent number: 5338587Abstract: An electrographic imaging member comprising a supporting substrate and an outer layer of a volume grafted fluoroelastomer comprised of a substantially uniform integral interpenetrating or crosslinked network of a polyorganosiloxane grafted fluoroelastomer.Type: GrantFiled: December 30, 1993Date of Patent: August 16, 1994Assignee: Xerox CorporationInventors: Joseph Mammino, Dennis Abramsohn, George J. Heeks, Arnold W. Henry, Louis D. Fratangelo, David H. Pan, Santokh S. Badesha
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Patent number: 5281506Abstract: A fuser member comprising a supporting substrate having an outer layer of a cured fluoroelastomer and having a thin surface layer of a polyorganosiloxane having been grafted to the surface of said cured fluoroelastomer in the presence of a dehydrofluorination agent for the fluoroelastomer and from a polyorganosiloxane having reactive functionality and the formula: ##STR1## where R is an alkyl, alkenyl or aryl group having less than 19 carbon atoms or an aryl group substituted with an alkyl or alkenyl group having less than 19 carbon atoms, the functional group A is hydrogen, hydroxy, alkoxy, amino, epoxy, vinyl, acrylic or mercapto, and n is 2 to 350.Type: GrantFiled: May 19, 1992Date of Patent: January 25, 1994Assignee: Xerox CorporationInventors: Santokh S. Badesha, David H. Pan, William M. Prest, Jr., Arnold W. Henry, George J. Heeks, Louis D. Fratangelo
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Patent number: 5166031Abstract: A fuser member comprising a supporting substrate having an outer layer of a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by addition polymerization by the addition of an alkene or alkyne functionally terminated polyorganosiloxane and a polymerization initiator.Type: GrantFiled: December 21, 1990Date of Patent: November 24, 1992Assignee: Xerox CorporationInventors: Santokh S. Badesha, Robert M. Ferguson, Louis D. Fratangelo, George J. Heeks, Arnold W. Henry, David H. Pan