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).

  • Patent number: 6830819
    Abstract: 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: Grant
    Filed: March 18, 2003
    Date of Patent: December 14, 2004
    Assignee: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Patent number: 6808815
    Abstract: 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: Grant
    Filed: March 18, 2003
    Date of Patent: October 26, 2004
    Assignee: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Patent number: 6808814
    Abstract: 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: Grant
    Filed: March 18, 2003
    Date of Patent: October 26, 2004
    Assignee: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Publication number: 20040185272
    Abstract: 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: Application
    Filed: March 18, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Publication number: 20040185270
    Abstract: 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: Application
    Filed: March 18, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Publication number: 20040185271
    Abstract: 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: Application
    Filed: March 18, 2003
    Publication date: September 23, 2004
    Applicant: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, Che C. Chow, David J. Gervasi, Alexander N. Klymachyov
  • Patent number: 6743561
    Abstract: 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: Grant
    Filed: September 25, 2002
    Date of Patent: June 1, 2004
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Patent number: 6566027
    Abstract: 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: Grant
    Filed: April 20, 2001
    Date of Patent: May 20, 2003
    Assignee: Xerox Corporation
    Inventors: 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
  • Publication number: 20030060592
    Abstract: 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: Application
    Filed: September 25, 2002
    Publication date: March 27, 2003
    Applicant: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Patent number: 6485835
    Abstract: 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: Grant
    Filed: August 16, 1999
    Date of Patent: November 26, 2002
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Publication number: 20010019768
    Abstract: 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: Application
    Filed: April 20, 2001
    Publication date: September 6, 2001
    Applicant: Xerox Corporation
    Inventors: 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
  • Patent number: 6261688
    Abstract: 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: Grant
    Filed: August 20, 1999
    Date of Patent: July 17, 2001
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 6253055
    Abstract: 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: Grant
    Filed: November 5, 1996
    Date of Patent: June 26, 2001
    Assignee: Xerox Corporation
    Inventors: 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
  • Patent number: 6183929
    Abstract: 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: Grant
    Filed: August 2, 1999
    Date of Patent: February 6, 2001
    Assignee: Xerox Corporation
    Inventors: Che C. Chow, Samuel Kaplan
  • Patent number: 6159588
    Abstract: 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: Grant
    Filed: September 25, 1998
    Date of Patent: December 12, 2000
    Assignee: Xerox Corporation
    Inventors: Clifford O. Eddy, Santokh S. Badesha, Arnold W. Henry, James B. Maliborski, Samuel Kaplan, Louis D. Fratangelo, Che C. Chow, Yu-hsing Chin
  • Patent number: 6160982
    Abstract: 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: Grant
    Filed: October 4, 1999
    Date of Patent: December 12, 2000
    Assignee: Xerox Corporation
    Inventor: Che C. Chow
  • Patent number: 6011946
    Abstract: 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: Grant
    Filed: September 19, 1997
    Date of Patent: January 4, 2000
    Assignee: Xerox Corporation
    Inventors: Clifford O. Eddy, Arnold W. Henry, Samuel Kaplan, Che C. Chow, James B. Maliborski
  • Patent number: 5747212
    Abstract: 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: Grant
    Filed: September 29, 1994
    Date of Patent: May 5, 1998
    Inventors: Samuel Kaplan, David H. Pan, George J. Heeks, Clifford O. Eddy, Che C. Chow, Santokh S. Badesha, Arnold W. Henry, Donald A. Seanor
  • Patent number: 5556732
    Abstract: 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: Grant
    Filed: May 30, 1995
    Date of Patent: September 17, 1996
    Assignee: Xerox Corporation
    Inventor: Che C. Chow
  • Patent number: 5531813
    Abstract: 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: Grant
    Filed: September 29, 1994
    Date of Patent: July 2, 1996
    Assignee: Xerox Corporation
    Inventors: Arnold W. Henry, Donald A. Seanor, George J. Heeks, Clifford O. Eddy, Che C. Chow, Santokh S. Badesha, Samuel Kaplan, David H. Pan