Patents by Inventor Marc J. Livecchi

Marc J. Livecchi 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).

  • Polycarbonate containing photoconductors
    Patent number: 9851647
    Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a polycarbonate AP.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: December 26, 2017
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Lanhui Zhang, Jimmy E. Kelly, Mark S. Thomas, Min-Hong Fu, Lin Ma, Markus R. Silvestri, Marc J. LiVecchi, Robert W. Hedrick, Linda L. Ferrarese
  • CHARGE TRANSPORT LAYER FOR IMAGING DEVICE
    Publication number: 20160154327
    Abstract: Described herein is a photoreceptor having a substrate, a charge generating layer, a charge transport layer. The charge transport layer includes a polycarbonate-polyester copolymer binder and at least one charge transport material.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 2, 2016
    Inventors: Jin Wu, Kenny-tuan T. Dinh, Nancy Belknap, Lanhui Zhang, Than Sorn, Helen R. Cherniack, Lin Ma, Linda L. Ferrarese, Dennis J. Prosser, Marc J. Livecchi, Robert W. Hedrick
  • Cross-linked overcoat layer
    Patent number: 9052619
    Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises a soluble filler that improves low surface energy and wear. The soluble filler is a silicone poly(ethylene glycol) ester which improves low surface energy and wear without negatively impacting electrical properties of the overcoat layer.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: June 9, 2015
    Assignee: XEROX CORPORATION
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Qi Ying Li, Lin Ma, Than Sorn, Marc J. LiVecchi, Linda L. Ferrarese, Robert W. Hedrick
  • CROSS-LINKED OVERCOAT LAYER
    Publication number: 20150111137
    Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises a soluble filler that improves low surface energy and wear. The soluble filler is a silicone poly(ethylene glycol) ester which improves low surface energy and wear without negatively impacting electrical properties of the overcoat layer.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 23, 2015
    Applicant: XEROX CORPORATION
    Inventors: JIN WU, Kenny-Tuan T. Dinh, Qi Ying Li, Lin Ma, Than Sorn, Marc J. LiVecchi, Linda L. Ferrarese, Robert W. Hedrick
  • Binderless overcoat layer
    Patent number: 8883384
    Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a binderless overcoat layer which exhibits substantially improved electrical performance, such as low residual potential and good electrical cyclic stability. The overcoat layer of the present embodiments is formed from a formulation comprising a small transport molecule, a crosslinking agent, an acid catalyst and a solvent.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: November 11, 2014
    Assignee: Xerox Corporation
    Inventors: Kenny-tuan T. Dinh, Edward C. Savage, Marc J. LiVecchi, Robert W. Hedrick, Linda L. Ferrarese, Sherri A. Toates, Stacy J. Kowsz
  • Charge generating composition
    Patent number: 8790853
    Abstract: The present disclosure is directed to charge generating compositions and methods of making the charge generating compositions. The composition may comprise one or more polymers comprising styrene units and allyl alcohol units, and one or more photoconductive particles. Electrophotographic devices employing the compositions, including methods of making the devices, are also disclosed.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: July 29, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John J. Wilbert, Marc J. Livecchi, Liang-bih Lin
  • Low torque overcoat for imaging device
    Patent number: 8652715
    Abstract: An overcoat containing a copolymer of a first propylene monomer and a second hydrophilic monomer provides superior wear resistance and low torque to a photoreceptor.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: February 18, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Marc J. Livecchi
  • Tetraaryl polycarbonate containing photoconductors
    Patent number: 8623578
    Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: January 7, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T Dinh, Than Sorn, Robert W Hedrick, Linda L Ferrarese, Marc J Livecchi, Lanhui Zhang, Lin Ma, Stanley J Pietrzykowski, Jr.
  • TETRAARYL POLYCARBONATE CONTAINING PHOTOCONDUCTORS
    Publication number: 20130330665
    Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 12, 2013
    Applicant: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Than Sorn, Robert W. Hedrick, Linda L. Ferrarese, Marc J. Livecchi, Lanhui Zhang, Lin Ma, Stanley J. Pietrzykowski, JR.
  • Photoconductor overcoat layer
    Patent number: 8481237
    Abstract: A photoconductor containing a photogenerating layer, and at least one charge transport layer, and an overcoat layer in contact with, and contiguous to the charge transport layer. The overcoat layer is comprised polyethylene-block-polyethylene glycol copolymer and a charge transport component.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: July 9, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-tuan T. Dinh, Lanhui Zhang, Marc J. Livecchi, Edward C. Savage, Lin Ma, David M. Skinner, Linda L. Ferrarese
  • Pentanediol ester containing photoconductors
    Patent number: 8481235
    Abstract: A photoconductor that includes, for example, a supporting substrate, an undercoat layer thereover that contains a metal oxide, a phenolic resin, and a pentanediol ester; a photogenerating layer; and at least one charge transport layer.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: July 9, 2013
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, Jin Wu, Nancy L. Belknap, Helen R. Cherniack, Marc J. Livecchi
  • Electrophotographic imaging member and method of making same
    Patent number: 8481240
    Abstract: Disclosed herein is an electrophotographic imaging member comprising a substrate, and a charge generating layer containing a phthalocyanine pigment, a binder, and a solvent. The charge generating layer has a pigment particle separation distance of 28 nm or less after evaporation of the solvent. A coating system, a method of making an electrophotographic imaging member, and a method of printing also are disclosed.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: July 9, 2013
    Assignee: Xerox Corporation
    Inventors: Cindy C. Chen, Lanhui Zhang, Linda L. Ferrarese, James M. Markovics, Marc J. LiVecchi, Edward C. Savage, James R. Backus
  • Photoconductor undercoat layer
    Patent number: 8465888
    Abstract: A photoconductor comprising a substrate, an undercoat layer, a photogenerating layer and a charge transport layer is described. The undercoat layer is disposed on the substrate and comprises a metal oxide, and a mixture of a phenolic resin and a cyclohexanecarboxylate.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: June 18, 2013
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, Jin Wu, Edward F. Grabowski, Marc J. Livecchi
  • Poly(imide-carbonate) polytetrafluoroethylene containing photoconductors
    Patent number: 8426092
    Abstract: A photoconductor that includes for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a charge transport component, and a mixture of a poly(imide-carbonate) polymer and a fluorinated polymer and optionally a third polymer, like a polycarbonate.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 23, 2013
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Jin Wu, Marc J. Livecchi, Edward C. Savage, Linda L. Ferrarese
  • Epoxy carboxyl resin mixture hole blocking layer photoconductors
    Patent number: 8409773
    Abstract: A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide, and a mixture of an epoxy resin and a carboxyl resin; a photogenerating layer; and at least one charge transport layer.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: April 2, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Marc J Livecchi, Robert W Hedrick, John J. Wilbert
  • Polyalkylene glycol benzoate polytetrafluoroethylene containing photoconductors
    Patent number: 8268520
    Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a polyalkylene glycol benzoate and a fluorinated polymer.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: September 18, 2012
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T Dinh, Linda L Ferrarese, Marc J Livecchi, Edward C Savage, Michael E Zak
  • Polyester-based photoreceptor overcoat layer
    Patent number: 8257893
    Abstract: The presently disclosed embodiments are directed generally to an improved electrostatographic imaging member in which the overcoat layer comprises cross-linkable polyester resins. The overcoat layer not only provides wear resistance, but it also provides higher charge transport efficiency and therefore better photoelectrical properties. In addition, the polyesters can cross-link with a variety of resins and thus provide good adhesion as well.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: September 4, 2012
    Assignee: Xerox Corporation
    Inventors: Liang-Bih Lin, Brian P. Gilmartin, Emily K. Redman, Marc J. LiVecchi
  • PHOTOCONDUCTOR UNDERCOAT LAYER
    Publication number: 20120196216
    Abstract: A photoconductor comprising a substrate, an undercoat layer, a photogenerating layer and a charge transport layer is described. The undercoat layer is disposed on the substrate and comprises a metal oxide, and a mixture of a phenolic resin and a cyclohexanecarboxylate.
    Type: Application
    Filed: January 27, 2011
    Publication date: August 2, 2012
    Applicant: XEROX CORPORATION
    Inventors: Yuhua Tong, Jin Wu, Edward F. Grabowski, Marc J. Livecchi
  • PHOTOCONDUCTOR OVERCOAT LAYER
    Publication number: 20120189949
    Abstract: A photoconductor containing a photogenerating layer, and at least one charge transport layer, and an overcoat layer in contact with, and contiguous to the charge transport layer. The overcoat layer is comprised polyethylene-block-polyethylene glycol copolymer and a charge transport component.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 26, 2012
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Kenny-tuan T. Dinh, Lanhui Zhang, Marc J. Livecchi, Edward C. Savage, Lin Ma, David M. Skinner, Linda L. Ferrarese
  • Epoxysilane hole blocking layer photoconductors
    Patent number: 8227155
    Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover, wherein the undercoat layer contains an aminosilane and an epoxysilane, a photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: July 24, 2012
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Sherri A Toates, J. Robinson Cowdery-Corvan, Mark Muscato, Richard A Williams, Marc J Livecchi, Linda L Ferrarese