Patents by Inventor Che C. Chow
Che C. Chow 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: 6830819Abstract: A fuser member having a substrate, an outer fluoroelastomer layer having one of i) copolymers of two of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene; ii) terpolymers of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene; and iii) tetrapolymers of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, and a cure site monomer; and a fluorinated silicone release agent.Type: GrantFiled: March 18, 2003Date of Patent: December 14, 2004Assignee: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Patent number: 6808815Abstract: A fuser member having a substrate, an outer silicone rubber layer; and a release agent having a combination of fluorosilicone release agent and a non-functional release agent.Type: GrantFiled: March 18, 2003Date of Patent: October 26, 2004Assignee: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Patent number: 6808814Abstract: A fuser member having a substrate, an outer polymeric layer; and a release agent having a combination of fluorosilicone release agent and a functional polydimethylsiloxane release agent having amino, mercapto, hydride, carboxy, and/or other functionality.Type: GrantFiled: March 18, 2003Date of Patent: October 26, 2004Assignee: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Publication number: 20040185272Abstract: A fuser member having a substrate, an outer silicone rubber layer; and a release agent having a combination of fluorosilicone release agent and a non-functional release agent.Type: ApplicationFiled: March 18, 2003Publication date: September 23, 2004Applicant: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Publication number: 20040185270Abstract: A fuser member having a substrate, an outer polymeric layer; and a release agent having a combination of fluorosilicone release agent and a functional polydimethylsiloxane release agent having amino, mercapto, hydride, carboxy, and/or other functionality.Type: ApplicationFiled: March 18, 2003Publication date: September 23, 2004Applicant: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Publication number: 20040185271Abstract: A fuser member having a substrate, an outer fluoroelastomer layer having one of i) copolymers of two of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene; ii) terpolymers of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene; and iii) tetrapolymers of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, and a cure site monomer; and a fluorinated silicone release agent.Type: ApplicationFiled: March 18, 2003Publication date: September 23, 2004Applicant: Xerox CorporationInventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
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Patent number: 6743561Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketone.Type: GrantFiled: September 25, 2002Date of Patent: June 1, 2004Assignee: Xerox CorporationInventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
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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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Publication number: 20030060592Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketone.Type: ApplicationFiled: September 25, 2002Publication date: March 27, 2003Applicant: Xerox CorporationInventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
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Patent number: 6485835Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketoneType: GrantFiled: August 16, 1999Date of Patent: November 26, 2002Assignee: Xerox CorporationInventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
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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: 6183929Abstract: 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 a mixture of (a) an organosiloxane polymer concentrate containing amino-substituted or mercapto-substituted organosiloxane polymers, wherein there are amino or mercapto functional groups on at least some of the polymer molecules of the concentrate, said concentrate having a degree of functionality of from about 0.2 to about 5 mole percent, said concentrate having a viscosity of from about 50 to about 500 centistokes; and (b) a nonfunctional organosiloxane polymer diluent, said diluent having a viscosity of from about 100 to about 2,000 centistokes; said mixture having a degree of functionality of from about 0.05 to about 0.4 mole percent, wherein the mixture has a viscosity of from about 100 to about 1,000 centistokes, and wherein the ratio by weight of concentrate to diluent is from about 1:2 to about 1:30.Type: GrantFiled: August 2, 1999Date of Patent: February 6, 2001Assignee: Xerox CorporationInventors: Che C. Chow, Samuel Kaplan
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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: 6160982Abstract: A copy sheet distortion-removing fusing apparatus is provided for preventing fused image deletions and poor fused copy sheet appearance. The copy sheet distortion-removing fusing apparatus includes a frame; a first pair of rotatable rollers mounted to the frame and forming a first nip for receiving and moving a copy sheet therethrough. The first pair of rotatable rollers includes a heated fuser roller, and a pressure roller forming the first nip against the fuser roller. The copy sheet distortion-removing fusing apparatus also includes a second pair of rotatable rollers forming a second nip for immediately receiving and moving therethrough a fused copy sheet coming from the first nip. Each roller of the second pair of rotatable rollers includes a hard surface layer.Type: GrantFiled: October 4, 1999Date of Patent: December 12, 2000Assignee: Xerox CorporationInventor: Che C. Chow
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Patent number: 6011946Abstract: A fuser member having a) a substrate; and thereover b) a filled polymeric outer layer with a zinc compound dispersed therein; and thereover c) a fluid release agent with molecules having amino functionality.Type: GrantFiled: September 19, 1997Date of Patent: January 4, 2000Assignee: Xerox CorporationInventors: Clifford O. Eddy, Arnold W. Henry, Samuel Kaplan, Che C. Chow, James B. Maliborski
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Patent number: 5747212Abstract: A method of fusing and a fusing system are provided for a fusing member having a thermally stable FKM hydrofluoroelastomer surface for fusing thermoplastic resin toners which are susceptible to amines to a substrate in an electrostatographic printing apparatus with 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 selected from the group consisting of alkyl and arylalkyl radicals having 1 to 18 carbon atoms, R.sub.4 is selected from the group consisting of alkyl and 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: May 5, 1998Inventors: Samuel Kaplan, David H. Pan, George J. Heeks, Clifford O. Eddy, Che C. Chow, Santokh S. Badesha, Arnold W. Henry, Donald A. Seanor
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Patent number: 5556732Abstract: A process for preparing low fix temperature toner resin mixture comprising melt blending a resin mixture comprised of a first polyester resin with a low gloss value, and a second polyester resin with a high gloss value, to form a toner resin mixture having an intermediate gloss value.Type: GrantFiled: May 30, 1995Date of Patent: September 17, 1996Assignee: Xerox CorporationInventor: Che C. Chow
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Patent number: 5531813Abstract: A polyorgano amino functional oil release agent having at least 85% monoamino functionality per active molecule to interacts with the thermally stable FRM hydrofluoroelastomer surface of a fuser member of an electrostatographic apparatus to provide an interfacial barrier layer to the toner and a low surface energy film to release the toner from the surface is introduced herein.Type: GrantFiled: September 29, 1994Date of Patent: July 2, 1996Assignee: Xerox CorporationInventors: Arnold W. Henry, Donald A. Seanor, George J. Heeks, Clifford O. Eddy, Che C. Chow, Santokh S. Badesha, Samuel Kaplan, David H. Pan