Patents by Inventor Kenny-tuan T. Dinh
Kenny-tuan T. 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: 11767447Abstract: Provided herein is a topcoat composition comprising at least one fluorosilicone, a hydride-functional crosslinking agent, an infrared-absorbing filler, and at least one dispersant that is non-reactive with the hydride-functional crosslinking agent, by weight based on a total weight of the topcoat composition, wherein the topcoat composition has a degree of crosslinking between about 10 micrograms/hour/milligrams to about 20 micrograms/hour/milligrams. Further provided herein are methods of making the topcoat composition, as well as an imaging blanket and methods of reducing coating defects on a media coated using the imaging member.Type: GrantFiled: January 19, 2021Date of Patent: September 26, 2023Assignee: XEROX CORPORATIONInventors: Kenny-Tuan T. Dinh, Alexander N. Klymachyov, Lin Ma, Kyle B. Tallman, Eric Robert Dudek, Michael L. Mehan, Harry F. Freitas, Jr., Angela Schnuerch, Michael S. Roetker, Ngoc-Tram Le, Varun Sambhy, Santokh S. Badesha
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Publication number: 20220228030Abstract: Provided herein is a topcoat composition comprising at least one fluorosilicone, a hydride-functional crosslinking agent, an infrared-absorbing filler, and at least one dispersant that is non-reactive with the hydride-functional crosslinking agent, by weight based on a total weight of the topcoat composition, wherein the topcoat composition has a degree of crosslinking between about 10 micrograms/hour/milligrams to about 20 micrograms/hour/milligrams. Further provided herein are methods of making the topcoat composition, as well as an imaging blanket and methods of reducing coating defects on a media coated using the imaging member.Type: ApplicationFiled: January 19, 2021Publication date: July 21, 2022Applicant: XEROX CORPORATIONInventors: Kenny-Tuan T. Dinh, Alexander N. Klymachyov, Lin Ma, Kyle B. Tallman, Eric Robert Dudek, Michael L. Mehan, Harry F. Freitas, JR., Angela Schnuerch, Michael S. Roetker, Ngoc-Tram Le, Varun Sambhy, Santokh S. Badesha
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Publication number: 20220049123Abstract: Provided herein is a topcoat composition comprising at least one fluorosilicone, at least one infrared-absorbing filler, and silicone dioxide present in an amount ranging from greater than about 5% to about 10%, by weight based on a total weight of the topcoat composition, wherein when the topcoat composition has a shear rate between about 2 s?1 to about 3 s?1, the topcoat composition has a viscosity ranging from about 1500 mPa/s to about 500 mPa/s and the shear rate does not decrease as the viscosity increases or decreases. Further provided herein are methods of making the topcoat composition, as well as an imaging blanket and methods of reducing coating defects on a media coated using the imaging member.Type: ApplicationFiled: August 12, 2020Publication date: February 17, 2022Applicant: XEROX CORPORATIONInventors: Kenny-Tuan T. Dinh, Kyle B. Tallman, Lin Ma, Alexander N. Klymachyov, Angela Schnuerch, Michael L. Mehan, Eric Robert Dudek, Lanhui Zhang, Varun Sambhy, Michael S. Roetker, Santokh S. Badesha
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Publication number: 20160154327Abstract: Described herein is a photoreceptor having a substrate, a charge generating layer, a charge transport layer. The charge transport layer includes a polycarbonate-polyester copolymer binder and at least one charge transport material.Type: ApplicationFiled: December 2, 2014Publication date: June 2, 2016Inventors: Jin Wu, Kenny-tuan T. Dinh, Nancy Belknap, Lanhui Zhang, Than Sorn, Helen R. Cherniack, Lin Ma, Linda L. Ferrarese, Dennis J. Prosser, Marc J. Livecchi, Robert W. Hedrick
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Patent number: 9069268Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, an optional anticurl layer, a photogenerating layer, and a charge transport layer comprised of a first charge transport compound, a second dissimilar charge transport compound, a fluoropolymer and a polyarylatecarbonate.Type: GrantFiled: September 14, 2013Date of Patent: June 30, 2015Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma, Nancy L. Belknap, Helen R. Cherniack
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Patent number: 9052619Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises a soluble filler that improves low surface energy and wear. The soluble filler is a silicone poly(ethylene glycol) ester which improves low surface energy and wear without negatively impacting electrical properties of the overcoat layer.Type: GrantFiled: October 22, 2013Date of Patent: June 9, 2015Assignee: XEROX CORPORATIONInventors: Jin Wu, Kenny-Tuan T. Dinh, Qi Ying Li, Lin Ma, Than Sorn, Marc J. LiVecchi, Linda L. Ferrarese, Robert W. Hedrick
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Publication number: 20150132689Abstract: The presently disclosed embodiments are directed generally to an electrostatographic imaging member having low surface energy and is wear resistant. The imaging members include a charge transport layer that comprises a silicone ester additive that provides these beneficial properties.Type: ApplicationFiled: November 13, 2013Publication date: May 14, 2015Applicant: XEROX CORPORATIONInventors: JIN WU, Kenny-Tuan T. Dinh, Helen R. Cherniack, Lin Ma, Nancy L. Belknap
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Patent number: 9023561Abstract: The presently disclosed embodiments are directed generally to an electrostatographic imaging member having low surface energy and is wear resistant. The imaging members include a charge transport layer that comprises a silicone ester additive that provides these beneficial properties.Type: GrantFiled: November 13, 2013Date of Patent: May 5, 2015Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T. Dinh, Helen R. Cherniack, Lin Ma, Nancy L. Belknap
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Publication number: 20150111137Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises a soluble filler that improves low surface energy and wear. The soluble filler is a silicone poly(ethylene glycol) ester which improves low surface energy and wear without negatively impacting electrical properties of the overcoat layer.Type: ApplicationFiled: October 22, 2013Publication date: April 23, 2015Applicant: XEROX CORPORATIONInventors: JIN WU, Kenny-Tuan T. Dinh, Qi Ying Li, Lin Ma, Than Sorn, Marc J. LiVecchi, Linda L. Ferrarese, Robert W. Hedrick
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Publication number: 20150079511Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, an optional anticurl layer, a photogenerating layer, and a charge transport layer comprised of a first charge transport compound, a second dissimilar charge transport compound, a fluoropolymer and a polyarylatecarbonate.Type: ApplicationFiled: September 14, 2013Publication date: March 19, 2015Applicant: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma, Nancy L. Belknap, Helen R. Cherniack
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Patent number: 8883384Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a binderless overcoat layer which exhibits substantially improved electrical performance, such as low residual potential and good electrical cyclic stability. The overcoat layer of the present embodiments is formed from a formulation comprising a small transport molecule, a crosslinking agent, an acid catalyst and a solvent.Type: GrantFiled: September 25, 2009Date of Patent: November 11, 2014Assignee: Xerox CorporationInventors: Kenny-tuan T. Dinh, Edward C. Savage, Marc J. LiVecchi, Robert W. Hedrick, Linda L. Ferrarese, Sherri A. Toates, Stacy J. Kowsz
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Patent number: 8815481Abstract: An imaging member includes a supporting substrate, an optional hole blocking layer, an optional adhesive layer, an imaging layer, and an overcoat layer, wherein the overcoat layer comprises a fluorosulfonamide. The overcoat layer can further include a charge transport compound and a melamine resin.Type: GrantFiled: September 26, 2012Date of Patent: August 26, 2014Assignee: Xerox CorporationInventors: Jin Wu, David Skinner, Than Sorn, Lin Ma, Lanhui Zhang, Marissa Anne Linne, J. Robinson Cowdery-Corvan, Kenny-tuan T. Dinh
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Patent number: 8785091Abstract: 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, a charge transport layer, and an optional protective coating, and where the charge transport layer contains a mixture of a charge transport component and a polyarylatecarbonate.Type: GrantFiled: April 13, 2013Date of Patent: July 22, 2014Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T Dinh, Terry L Street, Robert W Hedrick, Linda L Ferrarese, Than Sorn, Lanhui Zhang, Lin Ma, Stanley J Pietrzykowski, Jr.
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Patent number: 8765334Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a protective outer layer which comprises light-absorbing composition that substantially prevents any light absorption by the overcoat layer. The composition comprises a low strength thermal plastic resin and a high optical density yellow dye. Thus, the light-blocking protective layer reduces the intrinsic light shock suffered by conventional overcoat layers without negatively impacting electrical properties of the overcoat layer and while improving print quality.Type: GrantFiled: January 25, 2010Date of Patent: July 1, 2014Assignee: Xerox CorporationInventors: Liang-bih Lin, Kenny-Tuan T. Dinh, Emily K. Redman, Brian P. Gilmartin
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Patent number: 8765339Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising a charge transport layer comprising a novel combination of a tetraaryl polycarbonate copolymer binder and perfluorinated fillers. The present charge transport layer provides reduced wear rate and long service life.Type: GrantFiled: August 31, 2012Date of Patent: July 1, 2014Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma
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Publication number: 20140087298Abstract: An imaging member includes a supporting substrate, an optional hole blocking layer, an optional adhesive layer, an imaging layer, and an overcoat layer, wherein the overcoat layer comprises a fluorosulfonamide. The overcoat layer can further include a charge transport compound and a melamine resin.Type: ApplicationFiled: September 26, 2012Publication date: March 27, 2014Applicant: XEROX CORPORATIONInventors: Jin WU, David SKINNER, Than SORN, Lin MA, Lanhui ZHANG, Marissa Anne LINNE, J. Robinson COWDERY-CORVAN, Kenny-tuan T. DINH
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Publication number: 20140065533Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising a charge transport layer comprising a novel combination of a tetraaryl polycarbonate copolymer binder and perfluorinated fillers. The present charge transport layer provides reduced wear rate and long service life.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Applicant: XEROX CORPORATIONInventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma
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Patent number: 8658337Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising an overcoat layer which prevents image quality issues such as deletion. The overcoat layer comprises a phenolic triarylamine charge transport molecule, an aminoplast and a triamino triphenyl compound.Type: GrantFiled: July 18, 2012Date of Patent: February 25, 2014Assignee: Xerox CorporationInventors: Kenny-tuan T. Dinh, Jin Wu, Linda L. Ferrarese, Robert W. Hedrick
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Publication number: 20140023959Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising an overcoat layer which prevents image quality issues such as deletion. The overcoat layer comprises a phenolic triarylamine charge transport molecule, an aminoplast and a triamino triphenyl compound.Type: ApplicationFiled: July 18, 2012Publication date: January 23, 2014Applicant: XEROX CORPORATIONInventors: Kenny-tuan T. Dinh, Jin Wu, Linda L. Ferrarese, Robert W. Hedrick
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Patent number: 8623578Abstract: 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 tetraaryl polycarbonate.Type: GrantFiled: June 6, 2012Date of Patent: January 7, 2014Assignee: Xerox CorporationInventors: Jin Wu, Kenny-Tuan T Dinh, Than Sorn, Robert W Hedrick, Linda L Ferrarese, Marc J Livecchi, Lanhui Zhang, Lin Ma, Stanley J Pietrzykowski, Jr.