Patents by Inventor Tuan DINH
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).
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Patent number: 7771907Abstract: 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: GrantFiled: February 19, 2008Date of Patent: August 10, 2010Assignee: Xerox CorporationInventors: Jin Wu, John F Yanus, Kenny-Tuan Dinh, Daniel V Levy
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Patent number: 7754404Abstract: 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: GrantFiled: December 27, 2005Date of Patent: July 13, 2010Assignee: Xerox CorporationInventors: 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
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Publication number: 20090269689Abstract: 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: ApplicationFiled: July 13, 2009Publication date: October 29, 2009Applicant: Xerox CorporationInventors: Kenny-Tuan Dinh, Dale S. Renfer, Kendra M. Giza, Michael L. Mehan, Susan M. Vandusen, Markus R. Silvestri, John F. Yanus
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Publication number: 20090246657Abstract: 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: ApplicationFiled: March 31, 2008Publication date: October 1, 2009Applicant: XEROX CORPORATIONInventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J. Evans, Min-Hong Fu, Susan M. Vandusen
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Publication number: 20090246665Abstract: 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: ApplicationFiled: March 31, 2008Publication date: October 1, 2009Applicant: Xerox CorporationInventors: 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
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Patent number: 7592110Abstract: An imaging member including an optional supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and an overcoating layer in contact with and contiguous to the charge transport, and which overcoating is comprised of an acrylated polyol, a polyalkylene glycol, a crosslinking agent, a hydroxy functionalized siloxane and a charge transport component.Type: GrantFiled: February 13, 2007Date of Patent: September 22, 2009Assignee: Xerox CorporationInventors: Kenny-Tuan Dinh, John F. Yanus, Raymond K. Crandall, Edward J. Radigan, Jr.
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Patent number: 7588872Abstract: An electrophotographic imaging member includes a substrate, an optional intermediate (undercoat) layer, a photogenerating layer, which can be a single layer of include separate charge generating and charge transport layers, and an optional overcoating layer, wherein the photogenerating layer or a sub-layer thereof include a carbon nanotube material.Type: GrantFiled: August 8, 2006Date of Patent: September 15, 2009Assignee: Xerox CorporationInventors: Liang-Bih Lin, Jin Wu, Daniel V. Levy, Cindy C. Chen, Richard H. Nealey, Kenny-Tuan Dinh
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Publication number: 20090208856Abstract: 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: ApplicationFiled: February 19, 2008Publication date: August 20, 2009Applicant: XEROX CORPORATIONInventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Daniel V. Levy
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Patent number: 7572561Abstract: 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: GrantFiled: February 22, 2006Date of Patent: August 11, 2009Assignee: Xerox CorporationInventors: Kenny-Tuan Dinh, Dale S. Renfer, Kendra M. Giza, Michael L. Mehan, Susan M. Vandusen, Markus R. Silvestri, John F. Yanus
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Publication number: 20090186287Abstract: 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: ApplicationFiled: January 23, 2008Publication date: July 23, 2009Applicant: XEROX CORPORATIONInventors: Kathy L. DE JONG, Yu QI, Vladislav SKOROKHOD, Nan-Xing HU, Johann JUNGINGER, Markus SILVESTRI, John F. YANUS, Kenny-Tuan DINH
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Publication number: 20090162766Abstract: 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: ApplicationFiled: December 20, 2007Publication date: June 25, 2009Applicant: XEROX CORPORATIONInventors: Jin Wu, John F. Yanus, Kenny-Tuan Dinh, Kent J. Evans
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Patent number: 7541122Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one silanol containing charge transport layer.Type: GrantFiled: July 12, 2006Date of Patent: June 2, 2009Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Susan M. Vandusen, Liang-Bih Lin, Michael S. Roetker, Robert C. U. Yu
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Patent number: 7524597Abstract: Imaging members useful in electrostatographic apparatuses, including printers, copiers, other reproductive devices, and digital apparatuses. More particularly, imaging members having nano-sized particles serving as fillers dispersed or contained in one or more layers of the imaging member that provide for increased mechanical strength and improved wear.Type: GrantFiled: June 22, 2006Date of Patent: April 28, 2009Assignee: Xerox CorporationInventors: Satchidanand Mishra, Yuhua Tong, Kathleen Carmichael, Chieh-Min Cheng, Kenny-tuan Dinh, Susan Vandusen, Cindy Chen, Huoy-Jen Yuh, Lanhui Zhang
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Patent number: 7517624Abstract: The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member with an improved charge transport layer including a polymeric binder that lowers the surface energy involved and reduces friction.Type: GrantFiled: December 27, 2005Date of Patent: April 14, 2009Assignee: Xerox CorporationInventors: Satchidanand Mishra, Kathleen M. Carmichael, Satish Parikh, Anthony M. Horgan, Markus R. Silvestri, Edward F. Grabowski, Kenny-tuan Dinh, Richard L. Post, Donald J. Goodman
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Patent number: 7507510Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula wherein each R1, R2, and R3 is independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is from about 1 to about 10, and a thiophosphate.Type: GrantFiled: June 15, 2006Date of Patent: March 24, 2009Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Publication number: 20090047588Abstract: 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: ApplicationFiled: August 14, 2007Publication date: February 19, 2009Applicant: XEROX CORPORATIONInventors: John F. Yanus, Kenny-Tuan Dinh, Markus R. Silvestri, Dale S. Renfer
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Patent number: 7479358Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one C-ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and the sum of n plus m (n+m) is from about 1 to about 10, and a thiophosphate.Type: GrantFiled: June 15, 2006Date of Patent: January 20, 2009Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
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Patent number: 7476478Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer of at least one charge transport component, at least one polyphenyl thioether of the formula wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen mixtures thereof, and n is a number of, for example, from about 1 to about 10.Type: GrantFiled: June 15, 2006Date of Patent: January 13, 2009Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin
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Patent number: 7473505Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, at least one C-ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and the sum of n plus m (n+m) is from about 1 to about 10.Type: GrantFiled: June 15, 2006Date of Patent: January 6, 2009Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin
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Patent number: 7468229Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl thioether of the formula wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is a number of from about 1 to about 10; and wherein a thiophosphate is contained in the photogenerating layer.Type: GrantFiled: June 15, 2006Date of Patent: December 23, 2008Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri