Patents by Inventor Kathy L. De Jong

Kathy L. De Jong 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: 8334360
    Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: December 18, 2012
    Assignee: Xerox Corporation
    Inventors: Matthew A. Heuft, Adrien Pierre Cote, Kathy L. De Jong
  • Patent number: 8309285
    Abstract: Disclosed is an electrophotographic imaging member that includes a substrate; a charge generating layer; a charge transport layer; and a protective overcoat layer having a polyol binder; a hole transport material; an acid catalyst; a leveling agent; and no melamine formaldehyde curing agent or cross-linking additive. Also disclosed is a process for forming a photoreceptor that includes providing a substrate; applying to it a charge generating layer, charge transport layer; and protective over coating layer having a polyol binder; a hole transport material; an acid catalyst; a leveling agent; and no melamine formaldehyde curing agent or cross-linking additive. Additionally provided is a method of forming an image with the disclosed electrophotographic imaging member.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: November 13, 2012
    Assignee: Xerox Corporation
    Inventors: Matthew A. Heuft, Hany Aziz, Kathy L. De Jong, Nan-Xing Hu
  • Publication number: 20120082835
    Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
    Type: Application
    Filed: December 9, 2011
    Publication date: April 5, 2012
    Applicant: XEROX CORPORATION
    Inventors: Matthew A. HEUFT, Adrien Pierre CÔTÉ, Kathy L. De Jong
  • Patent number: 8097387
    Abstract: Described herein are photoreceptor devices that include aligned domains of charge transport materials that have a pi-pi orbital overlap.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: January 17, 2012
    Assignee: Xerox Corporation
    Inventors: Hany Aziz, Kathy L. De Jong
  • Patent number: 8093347
    Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: January 10, 2012
    Assignee: Xerox Corporation
    Inventors: Matthew A. Heuft, Adrien Pierre Cote, Kathy L. De Jong
  • Patent number: 8080318
    Abstract: An image fixing member includes a substrate; an optional intermediate layer over the substrate; and an outermost layer over the intermediate layer; wherein at least one of the intermediate layer and the outermost layer comprises a healing material encapsulated within nano- or micro-capsules, wherein the healing material is capable of retaining the function of the imaging fixing member.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: December 20, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Nan-Xing Hu, Giuseppa Baranyi, Barkev Keoshkerian
  • Patent number: 8029957
    Abstract: An electrophotographic imaging member includes a substrate, a charge generating layer, a charge transport layer, and an overcoating layer, the overcoating layer being a cured film formed from a composition including at least a hydroxyl group-containing polymer or oligomer, a benzoguanamine compound containing at least one —CH2OR group, wherein each such R is independently an H atom or an alkyl group having from 1 to about 20 carbon atoms, and a charge transport compound.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: October 4, 2011
    Assignee: Xerox Corporation
    Inventors: Nan-Xing Hu, Kathy L. De Jong, Hany Aziz
  • Patent number: 8021811
    Abstract: Disclosed is an electrophotographic photoreceptor having a protective overcoat layer including a polyol binder; a hole transport material; a curing agent; and a surface-treated tin oxide particle filler. Also disclosed is a process for forming a photoreceptor that includes providing a photoreceptor substrate; applying a charge generating layer; applying a charge transport layer; and applying a protective overcoating layer over the substrate; such that the protective overcoat layer includes a polyol binder; a hole transport material; a curing agent; and a surface-treated tin oxide particle filler. Also included is a method of forming an image, including the disclosed photoreceptor.
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: September 20, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Yu Qi, Vladislav Skorokhod, Nan-Xing Hu, Johann Junginger, Markus Silvestri, John F. Yanus, Kenny-Tuan Dinh
  • Patent number: 8012655
    Abstract: The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: September 6, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
  • Patent number: 8003288
    Abstract: Disclosed is a photoconductive member including a self-healing composite coating having a polymer matrix, a photoconductive component, a healing material encapsulated within nano- or microcapsules, and an optional catalyst, that is capable of repairing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is photoconductive member including a substrate, an undercoat layer, a charge generating layer, a charge transport layer, and an optional protective overcoat layer; in which one layer of the photoconductive member further includes a healing material encapsulated within nano- or microcapsules and an optional catalyst, and that is capable or reparing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is an imaging forming apparatus including same.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: August 23, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L De Jong, Nan-Xing Hu, Giuseppa Baranyi
  • Patent number: 7960082
    Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: June 14, 2011
    Assignee: Xerox Corporation
    Inventors: Hany Aziz, Kathy L. De Jong, Nan-Xing Hu, Jennifer A. Coggan, Johann Junginger, Ah-Mee Hor
  • Patent number: 7935465
    Abstract: Disclosed is an electrophotographic imaging member that includes a lubricant delivering coating having a polymer matrix, a charge transport component, and a lubricant encapsulated within nano- or microcapsules. Also disclosed is an imaging forming apparatus including a charging device, a toner developer device, a cleaning device, and a photoreceptor having a conductive substrate, a charge generating layer, a charge transport layer, and an optional overcoat layer, such that the outmost layer of the photoreceptor contains a lubricant encapsulated within nano- or microcapsules. Additionally provided is a method of forming an image with the disclosed electrophotographic imaging member.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: May 3, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Nan-Xing Hu, Giuseppa Baranyi
  • Patent number: 7875411
    Abstract: A photoreceptor with a substrate, a charge generating layer, a charge transport layer including N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, having a purity of from about 95 percent to about 100 percent, and a protective overcoating layer, optionally including a hole transport material other than N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, that will discharge from about 85% to about 100% of its surface potential in from 0 to about 40 milliseconds upon being subjected to xerographic charging and exposure to radiant energy of from about 1 erg/cm2 to about 5 ergs/cm2.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: January 25, 2011
    Assignee: Xerox Corporation
    Inventors: Hany Aziz, Gregory McGuire, Jennifer A. Coggan, Johann Junginger, Kathy L. De Jong, Ah-Mee Hor, Nan-Xing Hu
  • Patent number: 7851113
    Abstract: Overcoat layers, which may be useful for reducing torque in electrophotographic photoreceptors, are provided. The overcoat layers include a polymer matrix having a particulate inorganic lubricant and a particulate fluoropolymer uniformly dispersed therein. Also provided are electrophotographic photoreceptors that include a substrate and the overcoat layers, electrophotographic imaging apparatuses that include such photoreceptors, and methods for forming the photoreceptors.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: December 14, 2010
    Assignee: Xerox Corporation
    Inventors: Timothy P. Bender, Nan-Xing Hu, John F. Graham, Yvan Gagnon, Cheng-Kuo Hsiao, Sandra J. Gardner, Kathy L. De Jong, James M. Markovics
  • Patent number: 7794905
    Abstract: A photoreceptor device having at least one layer that is a self-assembled patterned binder layer, which may include at least one functional material.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: September 14, 2010
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Hany Aziz
  • Publication number: 20100227998
    Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: XEROX CORPORATION
    Inventors: Matthew A. HEUFT, Adrien Pierre COTE, Kathy L. DE JONG
  • Publication number: 20100068636
    Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.
    Type: Application
    Filed: November 27, 2007
    Publication date: March 18, 2010
    Applicant: XEROX CORPORATION
    Inventors: Hany AZIZ, Kathy L. DE JONG, Nan-Xing HU, Jennifer A. COGGAN, Johann JUNGINGER, Ah-Mee HOR
  • Patent number: 7645548
    Abstract: A coating composition having a polymer resin composition containing at lest an acid catalyst and a masking agent, wherein the masking agent is selected from the group consisting of compound A, compound B, and the acylated derivatives of compound A, where compound A is given by the structural formula (I): where X represents a substituent selected from the group consisting of —OR and —NR?R?, wherein R, R?, and R? each independently represent a hydrogen atom or a hydrocarbyl group; and compound B is given by the structural formula (II): where Y and Z independently represent —OH or —NH2.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: January 12, 2010
    Assignee: Xerox Corporation
    Inventors: Kathy L. De Jong, Hany Aziz, Nan-Xing Hu
  • Publication number: 20090263737
    Abstract: The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.
    Type: Application
    Filed: April 22, 2008
    Publication date: October 22, 2009
    Applicant: XEROX CORPORATION
    Inventors: Kathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
  • Publication number: 20090226828
    Abstract: Disclosed is a photoconductive member including a self-healing composite coating having a polymer matrix, a photoconductive component, a healing material encapsulated within nano- or microcapsules, and an optional catalyst, that is capable of repairing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is photoconductive member including a substrate, an undercoat layer, a charge generating layer, a charge transport layer, and an optional protective overcoat layer; in which one layer of the photoconductive member further includes a healing material encapsulated within nano- or microcapsules and an optional catalyst, and that is capable or reparing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is an imaging forming apparatus including same.
    Type: Application
    Filed: March 4, 2008
    Publication date: September 10, 2009
    Applicant: XEROX CORPORATION
    Inventors: Kathy L. DE JONG, Nan-Xing HU, Giuseppa BARANYI