Patents by Inventor Linda L. Ferrarese

Linda L. Ferrarese 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
  • Polyarylatecarbonate containing photoconductors
    Patent number: 8785091
    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, a charge transport layer, and an optional protective coating, and where the charge transport layer contains a mixture of a charge transport component and a polyarylatecarbonate.
    Type: Grant
    Filed: April 13, 2013
    Date of Patent: July 22, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T Dinh, Terry L Street, Robert W Hedrick, Linda L Ferrarese, Than Sorn, Lanhui Zhang, Lin Ma, Stanley J Pietrzykowski, Jr.
  • Imaging member layers
    Patent number: 8658337
    Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising an overcoat layer which prevents image quality issues such as deletion. The overcoat layer comprises a phenolic triarylamine charge transport molecule, an aminoplast and a triamino triphenyl compound.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: February 25, 2014
    Assignee: Xerox Corporation
    Inventors: Kenny-tuan T. Dinh, Jin Wu, Linda L. Ferrarese, Robert W. Hedrick
  • IMAGING MEMBER LAYERS
    Publication number: 20140023959
    Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising an overcoat layer which prevents image quality issues such as deletion. The overcoat layer comprises a phenolic triarylamine charge transport molecule, an aminoplast and a triamino triphenyl compound.
    Type: Application
    Filed: July 18, 2012
    Publication date: January 23, 2014
    Applicant: XEROX CORPORATION
    Inventors: Kenny-tuan T. Dinh, Jin Wu, Linda L. Ferrarese, Robert W. Hedrick
  • 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.
  • Phenolic phosphite containing photoconductors
    Patent number: 8507161
    Abstract: A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a charge transport layer, and a top overcoat layer of a phenolic compound, a phosphite compound, an optional charge transport compound, an optional melamine resin, an optional acrylated polyol, and an optional catalyst.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: August 13, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Terry L. Street, Robert W. Hedrick, Linda L. Ferrarese, Brian P. Gilmartin
  • 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 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
  • 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
  • PHENOLIC PHOSPHITE CONTAINING PHOTOCONDUCTORS
    Publication number: 20130017479
    Abstract: A photoconductor containing an optional supporting substrate layer, a photogenerating layer, a charge transport layer, and a top overcoat layer of a phenolic compound, a phosphite compound, an optional charge transport compound, an optional melamine resin, an optional acrylated polyol, and an optional catalyst.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 17, 2013
    Applicant: XEROX CORPORATION
    Inventors: Jin WU, Kenny-Tuan T. DINH, Terry L. STREET, Robert W. HEDRICK, Linda L. FERRARESE, Brian P. GILMARTIN
  • Polyamideimide containing photoconductors
    Patent number: 8329367
    Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a polyamideimide.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: December 11, 2012
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Yuhua Tong, Linda L Ferrarese, Edward C Savage
  • 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
  • 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
  • Melamine polymer hole blocking layer photoconductors
    Patent number: 8227154
    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 a melamine polymer, 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