Patents by Inventor Susan M. VanDusen

Susan M. VanDusen 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).

  • Overcoat for electrophotographic imaging member and methods of making and using same
    Patent number: 8101327
    Abstract: Disclosed herein is an electrophotographic imaging member comprising a substrate, a charge transport layer and an overcoat layer formed by combining a film forming binder and a hole transporting hydroxy triarylamine compound having at least one hydroxyl functional group that is linked to a ring carbon of an aryl group by an alkyl group having 1 to 12 carbon atoms and is capable of forming at least one of a chemical bond and a physical bond with the film forming binder. Also disclosed is an electrophotographic imaging member with an overcoat layer formed by combining a film forming polycarbonate binder, a hole transport material, a surface energy reducing silicone material comprising a crosslinkable acrylate monomer, and a solvent. Coatings and methods of forming imaging members also are disclosed.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: January 24, 2012
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, Cindy C. Chen, Susan M. VanDusen
  • Overcoat containing titanocene photoconductors
    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
  • Carbazole containing charge transport layer photoconductors
    Patent number: 7989127
    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 wherein the charge transport layer contains a carbazole.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: August 2, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • Imaging member
    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
  • Pyrazine containing charge transport layer photoconductors
    Patent number: 7923185
    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 wherein the charge transport layer contains a pyrazine.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: April 12, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • Imaging member having first and second charge transport layers
    Patent number: 7867677
    Abstract: Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat layer. The first charge transport layer is formed from a first CTL formulation comprising an aromatic monoamine and a first polymeric film forming binder material. The second charge transport layer is formed from a second CTL formulation comprising aromatic diamine and a second polymeric film forming binder material. The imaging member has gained improved properties such as removal of anti-curl layer, desirable structural flatness, electrical properties, mechanical robustness, flexibility, longevity, and copy image qualities over extended use, among others.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: January 11, 2011
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Jin Wu, Steven M. Sterling, Susan M. VanDusen
  • Thiadiazole containing charge transport layer photoconductors
    Patent number: 7785759
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and wherein the charge transport layer also contains a thiadiazole.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • Photoconductive imaging member
    Patent number: 7704656
    Abstract: A photoreceptor comprising a charge transport layer doped with a polyarylate polymer is provided. A charge transport layer is doped with about 0.1 to about 10.0% by weight, solids basis, of a polyarylate polymer, such as for example Ardel. Charge transport layers doped with a polyarylate polymer exhibit improved electrical performance in terms of lower Vr and VBG values.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 27, 2010
    Assignee: Xerox Corporation
    Inventors: Min-Hong Fu, Kent J. Evans, David M. Skinner, Kathleen M. Carmichael, June E. Schneider, Susan M. VanDusen
  • IMAGING MEMBER
    Publication number: 20090325094
    Abstract: Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat layer. The first charge transport layer is formed from a first CTL formulation comprising an aromatic monoamine and a first polymeric film forming binder material. The second charge transport layer is formed from a second CTL formulation comprising aromatic diamine and a second polymeric film forming binder material. The imaging member has gained improved properties such as removal of anti-curl layer, desirable structural flatness, electrical properties, mechanical robustness, flexibility, longevity, and copy image qualities over extended use, among others.
    Type: Application
    Filed: September 16, 2009
    Publication date: December 31, 2009
    Applicant: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Jin Wu, Steven M. Sterling, Susan M. VanDusen
  • Imaging member having first and second charge transport layers
    Patent number: 7618757
    Abstract: Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat layer. The first charge transport layer is formed from a first CTL formulation comprising an aromatic monoamine and a first polymeric film forming binder material. The second charge transport layer is formed from a second CTL formulation comprising aromatic diamine and a second polymeric film forming binder material. The imaging member has gained improved properties such as removal of anti-curl layer, desirable structural flatness, electrical properties, mechanical robustness, flexibility, longevity, and copy image qualities over extended use, among others.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: November 17, 2009
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Jin Wu, Steven M. Sterling, Susan M. VanDusen
  • PYRAZINE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS
    Publication number: 20090274968
    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 wherein the charge transport layer contains a pyrazine.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 5, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Terry L. Street, Terry L. Bluhm, Kent J. Evans, Edward F. Grabowski, Susan M. Vandusen, Min-Hong Fu, Kathleen M. Carmichael
  • CARBAZOLE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS
    Publication number: 20090274970
    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 wherein the charge transport layer contains a carbazole.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 5, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Terry L. Street, Terry L. Bluhm, Kent J. Evans, Edward F. Grabowski, Susan M. Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • IMAGING MEMBER
    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
  • OVERCOAT CONTAINING TITANOCENE PHOTOCONDUCTORS
    Publication number: 20090246657
    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: Application
    Filed: March 31, 2008
    Publication date: October 1, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J. Evans, Min-Hong Fu, Susan M. Vandusen
  • THIADIAZOLE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS
    Publication number: 20090246667
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and wherein the charge transport layer also contains a thiadiazole.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 1, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Terry L. Street, Terry L. Bluhm, Kent J. Evans, Edward F. Grabowski, Susan M. Vandusen, Min-Hong Fu, Kathleen M. Carmichael
  • Imaging member
    Patent number: 7572561
    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: February 22, 2006
    Date of Patent: August 11, 2009
    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
  • Imaging member
    Patent number: 7569317
    Abstract: An imaging member is disclosed which includes a charge generating layer and a charge transport layer. The charge transport layer includes a first charge transport layer adjacent the charge generating layer and at least a second charge transport layer adjacent the first charge transport layer. Each charge transport layer includes a film forming polymer binder and a charge transport material dispersed therein. The first charge transport material has a composition which is the same or different than the second charge transport material and of a lower concentration. It may be selected from an aryl amine, aryl diamine, or combinations thereof. The combination has the effect of reducing charge deficient spots.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: August 4, 2009
    Assignee: Xerox Corporation
    Inventors: Satchidanand Mishra, Kathleen M. Carmichael, Yuhua Tong, Anthony M. Horgan, Edward F. Grabowski, Richard L. Post, Susan M. VanDusen
  • Photoconductor having silanol-containing charge transport layer
    Patent number: 7541122
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one silanol containing charge transport layer.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: June 2, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Susan M. Vandusen, Liang-Bih Lin, Michael S. Roetker, Robert C. U. Yu
  • Overcoat for electrophotographic imaging member and methods of making and using same
    Publication number: 20080057424
    Abstract: Disclosed herein is an electrophotographic imaging member comprising a substrate, a charge transport layer and an overcoat layer formed by combining a film forming binder and a hole transporting hydroxy triarylamine compound having at least one hydroxyl functional group that is linked to a ring carbon of an aryl group by an alkyl group having 1 to 12 carbon atoms and is capable of forming at least one of a chemical bond and a physical bond with the film forming binder. Also disclosed is an electrophotographic imaging member with an overcoat layer formed by combining a film forming polycarbonate binder, a hole transport material, a surface energy reducing silicone material comprising a crosslinkable acrylate monomer, and a solvent. Coatings and methods of forming imaging members also are disclosed.
    Type: Application
    Filed: August 31, 2006
    Publication date: March 6, 2008
    Inventors: Yuhua Tong, Cindy C. Chen, Susan M. VanDusen
  • Silanol containing photoconductors
    Publication number: 20080014516
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one silanol containing charge transport layer.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 17, 2008
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Susan M. Vandusen, Liang-Bih Lin, Michael S. Roetker, Robert C.U. Yu