Patents by Inventor Timothy J. Fuller

Timothy J. Fuller 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).

  • Publication number: 20040115547
    Abstract: A charge transport layer for an imaging member comprising a photogenerating layer, (1) a first charge transport layer comprised of a charge transport component and a resin binder, and thereover and in contact with the first layer (2) a second top charge transport layer comprised of a charge transport component, and a polymer of a styrene containing hindered phenol.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 17, 2004
    Applicant: Xerox Corporation
    Inventors: Yuhua Tong, Timothy J. Fuller, Colleen A. Helbig, Kent J. Evans, John F. Yanus, Karen S. Garland, Paul J. DeFeo, Anita P. Lynch, Kathleen M. Carmichael, Damodar M. Pai
  • Publication number: 20040115546
    Abstract: A charge transport layer for an imaging member comprising a charge transport layer wherein the charge transport layer is coated in two passes and wherein the second pass comprises the application of a charge transport component and a hindered phenol covalently bonded to a polymer. The charge transport layer exhibits excellent wear resistance, excellent electrical performance, and excellent print quality.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 17, 2004
    Applicant: Xerox Corporation
    Inventors: Yuhua Tong, Timothy J. Fuller, Colleen A. Helbig, Kent J. Evans, John F. Yanus, Karen S. Garland, Paul J. DeFeo, Anita P. Lynch, Kathleen M. Carmichael, Damodar M. Pai, Dale S. Renfer, Markus R. Silvestri
  • Publication number: 20040086796
    Abstract: An imaging member including, for example, a substrate, a charge blocking layer, an optional adhesive layer, a charge generating layer, a charge transporting layer comprising, and a film forming polymer binder substantially free of low molecular weight fractions.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Applicant: Xerox Corporation.
    Inventors: Robert C. U. Yu, Timothy J. Fuller, Kathleen M. Carmichael
  • Publication number: 20040067427
    Abstract: A member including for example, a substrate, a charge generating layer, a charge transport layer comprising a synthesized mixture of
    Type: Application
    Filed: October 8, 2002
    Publication date: April 8, 2004
    Applicant: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Timothy J. Fuller, Min-Hong Fu, Dennis J. Prosser, Susan M. VanDusen
  • Publication number: 20040063016
    Abstract: An imaging member having a substrate, a charge transport layer having charge transport materials dispersed therein, and an overcoat layer comprising trisamino triphenyl compound.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Applicant: Xerox Corporation.
    Inventors: Timothy J. Fuller, Kenny-Tuan T. Dinh, John F. Yanus, Yuhua Tong, Markus R. Silvestri, Dales S. Renfer
  • Publication number: 20040063829
    Abstract: A composition having a trisamino triphenyl compound and a layer composition having a trisamino triphenyl compound and a polyamide.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Applicant: Xerox Corporation
    Inventors: Timothy J. Fuller, Kenny-Tuan T. Dinh, John F. Yanus, Yuhua Tong, Markus R. Silvestri, Dale S. Renfer
  • Publication number: 20040018439
    Abstract: A member including for example, a substrate, a charge generating layer, a charge transport layer comprising a poly(phenylsilsesquioxane), molecule, and a film forming binder.
    Type: Application
    Filed: July 23, 2002
    Publication date: January 29, 2004
    Applicant: Xerox Corporation
    Inventors: Yuhua Tong, Timothy J. Fuller, Sean X. Pan, John F. Yanus, Cindy C. Chen, Min-Hong Fu, Dennis J. Prosser, Susan M. VanDusen
  • Patent number: 6677090
    Abstract: A charge transport layer for an imaging member comprising a charge transport material with a single carbon cored dendrimeric, star-like molecular structure not exhibiting early onset of charge transport layer fatigue cracking. The charge transport layer exhibits excellent wear resistance, excellent electrical performance, and outstanding print quality.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: January 13, 2004
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Timothy J. Fuller, Alexander N. Klymachyov, Min-Hong Fu
  • Patent number: 6669850
    Abstract: A purification process composed of: contacting a contaminated composition including an optional fluid, a polymer, and an impurity with an adsorbent composition including an adsorbent, wherein the adsorbent is selected from the group consisting of an alumina and a magnesium sulfate, wherein a portion of the impurity binds to the adsorbent, wherein the polymer is a polycarbonate, a carbazole, a polyarylate, or a copolyester having the formula where n is the degree of polymerization.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: December 30, 2003
    Assignee: Xerox Corporation
    Inventors: Timothy J. Fuller, John F. Yanus, Markus R. Silvestri, Damodar M. Pai, Samuel Kaplan, Raymond K. Crandall, Kathleen M. Carmichael, David J. Maty
  • Publication number: 20030118940
    Abstract: Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the formula 1
    Type: Application
    Filed: January 7, 2002
    Publication date: June 26, 2003
    Applicant: Xerox Corporation
    Inventors: Ram S. Narang, Timothy J. Fuller
  • Publication number: 20020177645
    Abstract: An adhesive having polyamide and an electrically conductive filler dispersed or contained therein, for use in bonding components of electrostatographic, contact electrostatic, digital and other like printing machines.
    Type: Application
    Filed: April 11, 2001
    Publication date: November 28, 2002
    Applicant: Xerox Corporation
    Inventors: Ralph A. Mosher, T. Edwin Freeman, Theodore Lovallo, Damodar M. Pai, John F. Yanus, Timothy J. Fuller, Markus R. Silverstri, Gerald M. Fletcher, Antonio DeCrescentis, Ihor W. Tarnawskyj
  • Publication number: 20020150408
    Abstract: A seamed flexible belt having a substrate and a seam having interlocking seam members, wherein the interlocking seam members are held together by an adhesive having polyamide and an optional electrically conductive filler, for use in electrostatographic, contact electrostatic, digital and other like printing machines.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 17, 2002
    Applicant: Xerox Corporation
    Inventors: Ralph A. Mosher, T. Edwin Freeman, Theodore Lovallo, Damodar M. Pai, John F. Yanus, Timothy J. Fuller, Markus R. Silvestri, Gerald M. Fletcher, Antonio DeCrescentis, Ihor W. Tarnawskyj
  • Patent number: 6444386
    Abstract: A photoconductive imaging member containing a supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is generated from crosslinking an organosilane (I) in the presence of a hydroxy-functionalized polymer (II) for example, wherein R is alkyl or aryl, R1, R2, and R3 are independently selected from the group consisting of alkoxy, aryloxy, acyloxy, halide, cyano, and amino; A and B are respectively divalent and trivalent repeating units of polymer (II); D is a divalent linkage; x and y represent the mole fractions of the repeating units of A and B, respectively, and wherein x is from about 0 to about 0.99, and y is from about 0.01 to about 1, and wherein the sum of x+y is equal to about 1.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: September 3, 2002
    Assignee: Xerox Corporation
    Inventors: Ping Liu, Cheng-Kuo Hsiao, Beng S. Ong, Timothy J. Fuller, Huoy-Jen Yuh, Helen R. Cherniack, Markus R. Silvestri
  • Publication number: 20020076632
    Abstract: Aryldiamine charge transporting molecules for a charge transport layer of an imaging member have a higher mobility by increasing the number of phenyl groups between the nitrogen atoms of the aryldiamine.
    Type: Application
    Filed: October 15, 2001
    Publication date: June 20, 2002
    Applicant: Xerox Corporation
    Inventors: John F. Yanus, Damador M. Pai, Markus R. Silvestri, Timothy J. Fuller, Andronique Ioannidis
  • Patent number: 6365323
    Abstract: Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the formula wherein x is an interger of 0 or 1, A is one of several specified groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units, wherein said photosensitivity-imparting substituents are allyl ether groups, epoxy groups, or mixtures thereof. Also disclosed are a process for preparing a thermal ink jet printhead containing the aforementioned polymers and processes for preparing the aforementioned polymers.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: April 2, 2002
    Assignee: Xerox Corporation
    Inventors: Ram S. Narang, Timothy J. Fuller
  • Patent number: 6340528
    Abstract: A donor member, useful in ionographic or electrophotographic apparatuses and preferably useful in hybrid scavengeless development units, has a substrate and an oxidized transport coating thereover. The oxidized transport coating includes a polymer binder, charge transporting molecules and one or more oxidizing agents. The polymer binder of the donor roll coating preferably includes one of (1) a crosslinked polymer with charge transporting molecules dispersed therein, or (2) a crosslinked polyamide binder with hydroxy charge transport molecules dispersed therein. The donor roll is preferably included in a printing machine that develops latent images formed on a photoconductive member.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: January 22, 2002
    Assignee: Xerox Corporation
    Inventors: Bing R. Hsieh, Yuan Yu, Timothy J. Fuller, John F. Yanus, Damodar M. Pai, Heiko Rommelmann, Allen J. Thompson, Donald S. Stanton, Michelle L. Schlafer, Alan R. Kuntz, Ann M. Kazakos, William H. Wayman, Steven C. Hart
  • Patent number: 6323301
    Abstract: Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first, photosensitivity-imparting substituent which enables crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer also containing a second, thermal sensitivity-imparting substituent which enables further crosslinking or chain extension of the polymer upon exposure to temperatures of about 140° C.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: November 27, 2001
    Assignee: Xerox Corporation
    Inventors: Thomas W. Smith, Timothy J. Fuller, Ram S. Narang, David J. Luca
  • Patent number: 6277477
    Abstract: Disclosed is a recording sheet which comprises a substrate and an image-receiving coating situated on at least one surface of the substrate, said image-receiving coating being suitable for receiving images of an aqueous ink, said image-receiving coating comprising a poly(ethylene-vinyl alcohol-vinyl acetate) terpolymer, said terpolymer containing ethylene repeat units in an amount of from about 5 to about 20 mole percent, vinyl alcohol repeat units in an amount of from about 70 to about 85 mole percent, and vinyl acetate repeat units in an amount of from about 5 to about 20 mole percent.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: August 21, 2001
    Assignee: Xerox Corporation
    Inventors: Mark D. Tracy, Timothy J. Fuller
  • Patent number: 6273543
    Abstract: Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with water-solubility- or water-dispersability-imparting substituents and at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the formula wherein x is an integer of 0 or 1, A is one of several specified groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units. In one embodiment, a single functional group imparts both photosensitivity and water solubility or dispersability to the polymer. In another embodiment, a first functional group imparts photosensitivity to the polymer and a second functional group imparts water solubility or dispersability to the polymer.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: August 14, 2001
    Assignee: Xerox Corporation
    Inventors: Ram S. Narang, Timothy J. Fuller
  • Patent number: 6260956
    Abstract: Disclosed is an ink jet printhead which comprises (i) an upper substrate with a set of parallel grooves for subsequent use as ink channels and a recess for subsequent use as a manifold, the grooves being open at one end for serving as droplet emitting nozzles, and (ii) a lower substrate in which one surface thereof has an array of heating elements and addressing electrodes formed thereon, said lower substrate having an insulative layer deposited on the surface thereof and over the heating elements and addressing electrodes and patterned to form recesses therethrough to expose the heating elements and terminal ends of the addressing electrodes, the upper and lower substrates being aligned, mated, and bonded together to form the printhead with the grooves in the upper substrate being aligned with the heating elements in the lower substrate to form droplet emitting nozzles, said upper substrate comprising a material formed by crosslinking or chain extending a polymer of formula I or II.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: July 17, 2001
    Assignee: Xerox Corporation
    Inventors: Ram S. Narang, Gary A. Kneezel, Bidan Zhang, Almon P. Fisher, Timothy J. Fuller