Patents by Inventor Kenny Tuan Dinh

Kenny Tuan Dinh 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: 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
  • Patent number: 8088542
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer that contains a titanocene.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: January 3, 2012
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J Evans, Min-Hong Fu, Susan M. Vandusen
  • Patent number: 8062823
    Abstract: The presently disclosed embodiments are directed to an improved overcoat for an imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer, and a process for making the same including combining a resin having a reactive group selected from the group consisting of hydroxyl, carboxylic acid and amide groups, a melamine formaldehyde crosslinking agent, a formaldehyde scavenger, an acid catalyst, and an alcohol-soluble charge transporting molecule to form an overcoat solution, and subsequently providing the overcoat solution onto the charge transport layer to form an overcoat layer.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: November 22, 2011
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Kenny-Tuan Dinh, Jin Wu, Dale S. Renfer
  • Patent number: 8029956
    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 film forming resin composition including at least a melamine compound, a polyol, and a charge transport compound, where the charge transport compound is represented by: QL-OH]n. where Q represents a charge transport component, L represents a divalent linkage group, and represents a number of repeating segments or groups.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: October 4, 2011
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Hany Aziz, Nan-Xing Hu, Ah-Mee Hor, Kenny-Tuan Dinh, John F Yanus
  • 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: 8017294
    Abstract: The presently disclosed embodiments are directed to an improved overcoat for an imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer, and a process for making the same including combining a resin having a reactive group selected from the group consisting of hydroxyl, carboxylic acid and amide groups, a melamine formaldehyde crosslinking agent, a crosslinkable fluoro additive, an acid catalyst, and a crosslinkable, alcohol-soluble charge transport molecule to form an overcoat solution, and subsequently providing the overcoat solution onto the charge transport layer to form an overcoat layer.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: September 13, 2011
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Kenny-Tuan Dinh, Jin Wu, Dale S. Renfer
  • Patent number: 7964329
    Abstract: An imaging member with a unique overcoat composition adapted for forming protective, scratch-resistant overcoats is disclosed. The overcoat composition comprises a binder component that includes particular proportions of a acrylated polyol and propylene glycol. The overcoat composition also comprises a transport agent and a crosslinking agent.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: June 21, 2011
    Assignee: Xerox Corporation
    Inventors: Kenny-Tuan Dinh, Dale S. Renfer, Kendra M. Giza, Michael L. Mehan, Susan M. Vandusen, Markus R. Silvestri, John F. Yanus
  • Patent number: 7932006
    Abstract: A coating composition that contains a mixture of an alkyl alcohol, a glycol monoether, a charge transport component, a crosslinking component, and at least one hydroxyl containing polymer, and a photoconductor thereof with a supporting substrate, a photogenerating layer, and at least one charge transport layer, and an overcoating layer in contact with and contiguous to the charge transport layer, and which overcoating is comprised of a mixture of an alkyl alcohol, a glycol monoether, an acrylated polyol, a polyalkylene glycol, a crosslinking component, and a charge transport component.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: April 26, 2011
    Assignee: Xerox Corporation
    Inventors: Kathy L. Dejong, Nan-Xing Hu, Hany Aziz, Jennifer A. Coggan, Johann Junginger, Ah-Mee Hor, John F. Yanus, Kenny-Tuan Dinh
  • Patent number: 7855039
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and an overcoat, and where the overcoat contains at least one of ketal. In embodiments the overcoat layer may include ?-hydroxyketone, ?-diketone, or mixtures thereof.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: December 21, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J Evans
  • Patent number: 7851112
    Abstract: A photoconductor containing an optional supporting substrate, a thiophosphate containing photogenerating layer, and a charge transport layer which includes a polyhedral oligomeric silsesquioxane (POSS)-containing material and an optional thiophosphate.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: December 14, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Liang-Bih Lin
  • Patent number: 7833683
    Abstract: An imaging member including a substrate; a charge generation layer; a charge transport layer containing a mixture including a polymer and charge transport components, wherein the mixture has a glass transition temperature of less than about 70° C.; and an overcoat having a crosslinked polymer network including a resin, charge transport molecules, crosslinking component, an acid catalyst and an optional low surface component, and wherein the resin is a resin selected from the group consisting of polyester and polyol resins, and further wherein the resin has crosslinking sites selected from the group consisting of hydroxyl and carboxy groups.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: November 16, 2010
    Assignee: Xerox Corporation
    Inventors: John F Yanus, Kenny-Tuan Dinh, Markus R Silvestri, Dale S Renfer
  • Patent number: 7799497
    Abstract: A photoconductor containing an optional supporting substrate, a silanol containing photogenerating layer, at least one charge transport layer, and a top overcoating layer in contact with and contiguous to the charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: September 21, 2010
    Assignee: Xerox Corporation
    Inventors: John F Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan
  • Patent number: 7799495
    Abstract: A photoconductor containing a photogenerating layer, and at least one charge transport layer, and a top polymeric overcoat layer in contact with, and contiguous to the charge transport layer, and which overcoat layer includes an indium tin oxide.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: September 21, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, John F Yanus, Adal Tecleab, June Shujun Peng, Marc J Livecchi, Linda L Ferrarese, Edward C Savage, Gary A Batt, John J Wilbert, Robert W Hedrick
  • Patent number: 7799494
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and a charge transport layer which includes a mixture of a polyhedral oligomeric silsesquioxane (POSS)-containing material and a thiophosphate.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: September 21, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Liang-Bih Lin
  • Patent number: 7785756
    Abstract: A photoconductor containing an optional supporting substrate, a containing photogenerating layer, at least one thiophosphate containing charge transport layer, and a top overcoating crosslinked polymer layer in contact with and contiguous to the charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan, Kathleen M. Carmichael
  • Patent number: 7785757
    Abstract: A photoconductor containing a thiophosphate photogenerating layer, and at least one charge transport layer, and a top polymeric overcoating layer in contact with and contiguous to a charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: John F Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan, Kathleen M. Carmichael
  • Patent number: 7781132
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, at least one silanol containing charge transport layer, and a top overcoating layer in contact with and contiguous to the charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 24, 2010
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan
  • Patent number: 7771907
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, a charge transport layer, and a top overcoating layer in contact with and contiguous to the charge transport layer.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: August 10, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John F Yanus, Kenny-Tuan Dinh, Daniel V Levy
  • Patent number: 7754404
    Abstract: The presently disclosed embodiments are directed to overcoat layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member with an improved overcoat layer including a polymeric binder that lowers the surface energy involved and reduces friction.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: July 13, 2010
    Assignee: Xerox Corporation
    Inventors: Satchidanand Mishra, Kathleen M. Carmichael, Anthony M. Horgan, Markus R. Silvestri, Satish Parikh, Edward F. Grabowski, Kenny-tuan Dinh, Richard L. Post, Donald J. Goodman
  • Publication number: 20090269689
    Abstract: An imaging member with a unique overcoat composition adapted for forming protective, scratch-resistant overcoats is disclosed. The overcoat composition comprises a binder component that includes particular proportions of a acrylated polyol and propylene glycol. The overcoat composition also comprises a transport agent and a crosslinking agent.
    Type: Application
    Filed: July 13, 2009
    Publication date: October 29, 2009
    Applicant: Xerox Corporation
    Inventors: Kenny-Tuan Dinh, Dale S. Renfer, Kendra M. Giza, Michael L. Mehan, Susan M. Vandusen, Markus R. Silvestri, John F. Yanus