Patents by Inventor Michael S. Roetker

Michael S. Roetker 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: 10304836
    Abstract: Printed electronic devices are provided.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: May 28, 2019
    Assignee: XEROX CORPORATION
    Inventors: Kyle B. Tallman, Jonathan H. Herko, Michael S. Roetker, Amy Catherine Porter, Lin Ma, David M. Skinner, Eric Robert Dudek, Scott J. Griffin
  • Patent number: 10249625
    Abstract: A coated, printed electronic device may comprise a plurality of contact pads arranged in a pattern, a plurality of electrode traces arranged in another pattern, the plurality of electrode traces comprising a set of bottom electrode traces and a set of top electrode traces, each electrode trace in electrical communication with an associated contact pad of the plurality of contact pads, a plurality of memory cells, each memory cell located at an intersection of a pair of electrode traces of the plurality of electrode traces and comprising a bottom electrode layer formed from a region of one of the bottom electrode traces, a top electrode layer formed from a region of one of the top electrode traces, and a ferroelectric layer between the bottom and top electrode layers, and a protective layer covering the plurality of electrode traces and extending laterally beyond each edge of each electrode trace to provide a buffer zone surrounding each electrode trace, the buffer zone extending from an end of each electrode
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: April 2, 2019
    Assignee: XEROX CORPORATION
    Inventors: Jonathan H. Herko, Michael S. Roetker, Kyle B. Tallman, Eric Robert Dudek, Amy Catherine Porter, David M. Skinner, Lin Ma, Markus R. Silvestri
  • Patent number: 10160232
    Abstract: A media transport system for conveying sheets of media along a process path extending from a media-uptake zone and thereafter through a print zone. The system includes a transport belt for holding the sheets of media generally flat via vacuum for ink jet printing. The media transport system includes a seamed vacuum transport belt, and a platen supporting the belt. The belt comprises a partially-conductive coating having a surface resistivity of from about 101 to about 106 ohms per square on a polymeric substrate. The partially-conductive coating comprises a polyester and a conductive component such as carbon black, and optionally includes a plasticizer and a leveling agent. The polymeric substrate is either a thermoplastic or a thermoset material.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: December 25, 2018
    Assignee: XEROX CORPORATION
    Inventors: Scott J Griffin, David M Skinner, Eric Robert Dudek, Kyle B Tallman, Michael S Roetker, Jin Wu, James E Williams, Jason M LeFevre, Paul S Bonino, Carlos M Terrero
  • Publication number: 20180354278
    Abstract: A media transport system for conveying sheets of media along a process path extending from a media-uptake zone and thereafter through a print zone. The system includes a transport belt for holding the sheets of media generally flat via vacuum for ink jet printing. The media transport system includes a seamed vacuum transport belt, and a platen supporting the belt. The belt comprises a partially-conductive coating having a surface resistivity of from about 101 to about 106 ohms per square on a polymeric substrate. The partially-conductive coating comprises a polyester and a conductive component such as carbon black, and optionally includes a plasticizer and a leveling agent. The polymeric substrate is either a thermoplastic or a thermoset material.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 13, 2018
    Inventors: SCOTT J. GRIFFIN, DAVID M. SKINNER, ERIC ROBERT DUDEK, KYLE B. TALLMAN, MICHAEL S. ROETKER, JIN WU, JAMES E. WILLIAMS, JASON M. LEFEVRE, PAUL S. BONINO, CARLOS M. TERRERO
  • Patent number: 9895896
    Abstract: Disclosed herein are methods for reducing drooling, wetting or adhesion on a front face of an inkjet printhead configured for ejecting aqueous ink. The methods including disposing an anti-wetting, low adhesion coating onto a surface of the inkjet printhead front face, wherein the anti-wetting, low adhesion coating is a reaction product of a reactant mixture including a triisocyanante and a perfluoropolyether diol compound having an ethyoxylated spacer; and ejecting a drop of an aqueous ink having a surfactant from the printhead, wherein the aqueous ink drop exhibits a contact angle of greater than about 40° and a sliding angle of less than about 30° with a surface of the coating on the inkjet printhead front face.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: February 20, 2018
    Assignee: XEROX CORPORATION
    Inventors: Varun Sambhy, Kyle B. Tallman, Santokh S. Badesha, Michael S. Roetker, Jonathan H. Herko, Scott J. Griffin
  • Publication number: 20170225472
    Abstract: Disclosed herein are methods for reducing drooling, wetting or adhesion on a front face of an ink jet printhead configured for ejecting aqueous ink. The methods including disposing an anti-wetting, low adhesion coating onto a surface of the ink jet printhead front face, wherein the anti-wetting, low adhesion coating is a reaction product of a reactant mixture comprising a triisocyanante and a perfluoropolyether diol compound comprising an ethyoxylated spacer; and ejecting a drop of an aqueous ink comprising a surfactant from the printhead, wherein the aqueous ink drop exhibits a contact angle of greater than about 40° and a sliding angle of less than about 30° with a surface of the coating on the ink jet printhead front face.
    Type: Application
    Filed: April 25, 2017
    Publication date: August 10, 2017
    Applicant: XEROX CORPORATION
    Inventors: Varun Sambhy, Kyle B. Tallman, Santokh S. Badesha, Michael S. Roetker, Jonathan H. Herko, Scott J. Griffin
  • Patent number: 9676962
    Abstract: Exemplary embodiments provide anti-wetting, low adhesion coatings for use with aqueous ink jet printheads. Exemplary embodiments directed to aqueous ink jet printheads with the anti-wetting, low adhesion coating on the front face thereof and methods for reducing drooling, wetting or adhesion on a front face of an ink jet printhead configured for ejecting aqueous ink are also described.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: June 13, 2017
    Assignee: XEROX CORPORATION
    Inventors: Varun Sambhy, Kyle B. Tallman, Santokh S. Badesha, Michael S. Roetker, Jonathan H. Herko, Scott J. Griffin
  • Publication number: 20160130469
    Abstract: Exemplary embodiments provide anti-wetting, low adhesion coatings for use with aqueous ink jet printheads. Exemplary embodiments directed to aqueous ink jet printheads with the anti-wetting, low adhesion coating on the front face thereof and methods for reducing drooling, wetting or adhesion on a front face of an ink jet printhead configured for ejecting aqueous ink are also described.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 12, 2016
    Inventors: Varun Sambhy, Kyle B. Tallman, Santokh S. Badesha, Michael S. Roetker, Jonathan H. Herko, Scott J. Griffin
  • Patent number: 9233533
    Abstract: An inkjet printhead includes a front face having a polymer coating, the polymer coating including an oleophobic grafted polymer having a crosslinked fluoroelastomer and a perfluorinated polyether grafted to the crosslinked fluoroelastomer.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: January 12, 2016
    Assignee: XEROX CORPORATION
    Inventors: Mandakini Kanungo, Matthew M. Kelly, Varun Sambhy, David J. Gervasi, Santokh S. Badesha, Chakkaravarthy Chidambareswarapattar, Michael S. Roetker
  • Patent number: 9206269
    Abstract: An oleophobic grafted polymer includes a crosslinked fluoroelastomer and a perfluorinated polyether grafted to the crosslinked fluoroelastomer. A process for making an oleophobic grafted polymer includes crosslinking a fluoroelastomer with an aminofunctionalized silane and grafting an alkoxysilane-terminated perfluorinated polyether to the crosslinked fluoroelastomer.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: December 8, 2015
    Assignee: XEROX CORPORATION
    Inventors: Mandakini Kanungo, Matthew M. Kelly, Varun Sambhy, David J. Gervasi, Santokh S. Badesha, Chakkaravarthy Chidambareswarapattar, Michael S. Roetker
  • Patent number: 9141037
    Abstract: A transfer assist member comprising a plurality of layers, one of the layers being a check film layer comprised of a crosslinked mixture of aminoplast resins, and polyester polyols present on a support polymer layer.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 22, 2015
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kyle B. Tallman, Qi Ying Li, Jonathan H. Herko, Michael S. Roetker, Terry L. Street
  • Patent number: 9063470
    Abstract: A transfer assist member comprising a plurality of layers, one of the layers being a check film layer comprised of a thermoplastic layer present on a polymer layer.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: June 23, 2015
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kyle B. Tallman, Qi Ying Li, Jonathan H. Herko, Michael S. Roetker, Terry L. Street, Eliud Robles-Flores
  • Patent number: 9042796
    Abstract: There is described a transfer assist blade for an electrostatographic machine. The transfer assist blade includes a wear layer for contacting a copy sheet, an interior layer having a thickness of from about 150 microns to about 500 microns and a back layer comprising a thermoset polyimide having dispersed therein carbon particles such that an out surface of the back layer has a surface resistance of from about 1×108 ohms to about 9.99×108 ohms.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: May 26, 2015
    Assignee: Xerox Corporation
    Inventors: Eliud Robles Flores, David J. Gervasi, Michael S. Roetker, Santokh S. Badesha, Phillip J. Wantuck
  • Publication number: 20150063880
    Abstract: There is described a transfer assist blade for an electrostatographic machine. The transfer assist blade includes a wear layer for contacting a copy sheet, an interior layer having a thickness of from about 150 microns to about 500 microns and a back layer comprising a thermoset polyimide having dispersed therein carbon particles such that an out surface of the back layer has a surface resistance of from about 1×108 ohms to about 9.99×108 ohms.
    Type: Application
    Filed: September 3, 2013
    Publication date: March 5, 2015
    Applicant: Xerox Corporation
    Inventors: Eliud Robles Flores, David J. Gervasi, Michael S. Roetker, Santokh S. Badesha, Phillip J. Wantuck
  • Patent number: 8969487
    Abstract: A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 45° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 200° C. for at least 30 minutes. In particular, the coating shows no oil on the coating surface after curing.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: March 3, 2015
    Assignee: Xerox Corporation
    Inventors: Varun Sambhy, Jin Wu, Kock-Yee Law, Kyle B. Tallman, Darren Smith, Michael S. Roetker
  • Publication number: 20150050054
    Abstract: A transfer assist member comprising a plurality of layers, one of the layers being a check film layer comprised of a thermoplastic layer present on a polymer layer.
    Type: Application
    Filed: August 15, 2013
    Publication date: February 19, 2015
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Kyle B. Tallman, Qi Ying Li, Jonathan H. Herko, Michael S. Roetker, Terry L. Street, Eliud Robles-Flores
  • Publication number: 20150050055
    Abstract: A transfer assist member comprising a plurality of layers, one of the layers being a check film layer comprised of a crosslinked mixture of aminoplast resins, and polyester polyols present on a support polymer layer.
    Type: Application
    Filed: August 15, 2013
    Publication date: February 19, 2015
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Kyle B. Tallman, Qi Ying Li, Jonathan H. Herko, Michael S. Roetker, Terry L. Street
  • Patent number: 8931885
    Abstract: A composition is made from ingredients comprising a fluorinated polyurethane and a copolymer of (i) a fluoroalkylene monomer unit and (ii) a dioxole monomer unit substituted with at least one substituent selected from the group consisting of a fluorine atom and a fluoroalkyl. The fluorinated polyurethane is a product of an isocyanate and a hydroxyl functionalized fluorinated polyether. The composition can be employed for making anti-wetting coatings used, for example, in printhead devices.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: January 13, 2015
    Assignee: Xerox Corporation
    Inventors: Varun Sambhy, Santokh S. Badesha, Michael S. Roetker, Jonathan H. Herko, Kyle B. Tallman
  • Patent number: 8934820
    Abstract: A cast-in reflective timing patch for a belt such as an intermediate transfer belt of a printing device. The timing patch is formed during manufacturing of the belt. As such, the presence, quality, location, and alignment of the timing patch is fixed and inspection and monitoring of the timing patch is no longer required.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: January 13, 2015
    Assignee: Xerox Corporation
    Inventors: Jonathan H. Herko, Michael S. Roetker, Kyle B. Tallman, Scott J. Griffin
  • Patent number: 8929785
    Abstract: Flexible members for use in imaging devices contain a non-ionic surfactant and a fluorinated surfactant.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: January 6, 2015
    Assignee: Xerox Corporation
    Inventors: Michael S Roetker, Francisco J Lopez, Kyle B Tallman, Jonathan H Herko, David W Martin, Yuhua Tong