Patents by Inventor Kathy L. De Jong
Kathy L. De Jong 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: 8334360Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.Type: GrantFiled: December 9, 2011Date of Patent: December 18, 2012Assignee: Xerox CorporationInventors: Matthew A. Heuft, Adrien Pierre Cote, Kathy L. De Jong
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Patent number: 8309285Abstract: Disclosed is an electrophotographic imaging member that includes a substrate; a charge generating layer; a charge transport layer; and a protective overcoat layer having a polyol binder; a hole transport material; an acid catalyst; a leveling agent; and no melamine formaldehyde curing agent or cross-linking additive. Also disclosed is a process for forming a photoreceptor that includes providing a substrate; applying to it a charge generating layer, charge transport layer; and protective over coating layer having a polyol binder; a hole transport material; an acid catalyst; a leveling agent; and no melamine formaldehyde curing agent or cross-linking additive. Additionally provided is a method of forming an image with the disclosed electrophotographic imaging member.Type: GrantFiled: November 7, 2007Date of Patent: November 13, 2012Assignee: Xerox CorporationInventors: Matthew A. Heuft, Hany Aziz, Kathy L. De Jong, Nan-Xing Hu
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Publication number: 20120082835Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.Type: ApplicationFiled: December 9, 2011Publication date: April 5, 2012Applicant: XEROX CORPORATIONInventors: Matthew A. HEUFT, Adrien Pierre CÔTÉ, Kathy L. De Jong
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Patent number: 8097387Abstract: Described herein are photoreceptor devices that include aligned domains of charge transport materials that have a pi-pi orbital overlap.Type: GrantFiled: October 1, 2008Date of Patent: January 17, 2012Assignee: Xerox CorporationInventors: Hany Aziz, Kathy L. De Jong
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Patent number: 8093347Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.Type: GrantFiled: March 3, 2010Date of Patent: January 10, 2012Assignee: Xerox CorporationInventors: Matthew A. Heuft, Adrien Pierre Cote, Kathy L. De Jong
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Patent number: 8080318Abstract: An image fixing member includes a substrate; an optional intermediate layer over the substrate; and an outermost layer over the intermediate layer; wherein at least one of the intermediate layer and the outermost layer comprises a healing material encapsulated within nano- or micro-capsules, wherein the healing material is capable of retaining the function of the imaging fixing member.Type: GrantFiled: March 7, 2008Date of Patent: December 20, 2011Assignee: Xerox CorporationInventors: Kathy L. De Jong, Nan-Xing Hu, Giuseppa Baranyi, Barkev Keoshkerian
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Patent number: 8029957Abstract: 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 composition including at least a hydroxyl group-containing polymer or oligomer, a benzoguanamine compound containing at least one —CH2OR group, wherein each such R is independently an H atom or an alkyl group having from 1 to about 20 carbon atoms, and a charge transport compound.Type: GrantFiled: June 1, 2006Date of Patent: October 4, 2011Assignee: Xerox CorporationInventors: Nan-Xing Hu, Kathy L. De Jong, Hany Aziz
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Patent number: 8021811Abstract: 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: GrantFiled: January 23, 2008Date of Patent: September 20, 2011Assignee: 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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Patent number: 8012655Abstract: The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.Type: GrantFiled: April 22, 2008Date of Patent: September 6, 2011Assignee: Xerox CorporationInventors: Kathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
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Patent number: 8003288Abstract: Disclosed is a photoconductive member including a self-healing composite coating having a polymer matrix, a photoconductive component, a healing material encapsulated within nano- or microcapsules, and an optional catalyst, that is capable of repairing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is photoconductive member including a substrate, an undercoat layer, a charge generating layer, a charge transport layer, and an optional protective overcoat layer; in which one layer of the photoconductive member further includes a healing material encapsulated within nano- or microcapsules and an optional catalyst, and that is capable or reparing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is an imaging forming apparatus including same.Type: GrantFiled: March 4, 2008Date of Patent: August 23, 2011Assignee: Xerox CorporationInventors: Kathy L De Jong, Nan-Xing Hu, Giuseppa Baranyi
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Patent number: 7960082Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.Type: GrantFiled: November 27, 2007Date of Patent: June 14, 2011Assignee: Xerox CorporationInventors: Hany Aziz, Kathy L. De Jong, Nan-Xing Hu, Jennifer A. Coggan, Johann Junginger, Ah-Mee Hor
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Patent number: 7935465Abstract: Disclosed is an electrophotographic imaging member that includes a lubricant delivering coating having a polymer matrix, a charge transport component, and a lubricant encapsulated within nano- or microcapsules. Also disclosed is an imaging forming apparatus including a charging device, a toner developer device, a cleaning device, and a photoreceptor having a conductive substrate, a charge generating layer, a charge transport layer, and an optional overcoat layer, such that the outmost layer of the photoreceptor contains a lubricant encapsulated within nano- or microcapsules. Additionally provided is a method of forming an image with the disclosed electrophotographic imaging member.Type: GrantFiled: March 3, 2008Date of Patent: May 3, 2011Assignee: Xerox CorporationInventors: Kathy L. De Jong, Nan-Xing Hu, Giuseppa Baranyi
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Patent number: 7875411Abstract: A photoreceptor with a substrate, a charge generating layer, a charge transport layer including N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, having a purity of from about 95 percent to about 100 percent, and a protective overcoating layer, optionally including a hole transport material other than N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine, that will discharge from about 85% to about 100% of its surface potential in from 0 to about 40 milliseconds upon being subjected to xerographic charging and exposure to radiant energy of from about 1 erg/cm2 to about 5 ergs/cm2.Type: GrantFiled: May 31, 2007Date of Patent: January 25, 2011Assignee: Xerox CorporationInventors: Hany Aziz, Gregory McGuire, Jennifer A. Coggan, Johann Junginger, Kathy L. De Jong, Ah-Mee Hor, Nan-Xing Hu
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Patent number: 7851113Abstract: Overcoat layers, which may be useful for reducing torque in electrophotographic photoreceptors, are provided. The overcoat layers include a polymer matrix having a particulate inorganic lubricant and a particulate fluoropolymer uniformly dispersed therein. Also provided are electrophotographic photoreceptors that include a substrate and the overcoat layers, electrophotographic imaging apparatuses that include such photoreceptors, and methods for forming the photoreceptors.Type: GrantFiled: December 13, 2006Date of Patent: December 14, 2010Assignee: Xerox CorporationInventors: Timothy P. Bender, Nan-Xing Hu, John F. Graham, Yvan Gagnon, Cheng-Kuo Hsiao, Sandra J. Gardner, Kathy L. De Jong, James M. Markovics
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Patent number: 7794905Abstract: A photoreceptor device having at least one layer that is a self-assembled patterned binder layer, which may include at least one functional material.Type: GrantFiled: March 23, 2007Date of Patent: September 14, 2010Assignee: Xerox CorporationInventors: Kathy L. De Jong, Hany Aziz
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Publication number: 20100227998Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.Type: ApplicationFiled: March 3, 2010Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventors: Matthew A. HEUFT, Adrien Pierre COTE, Kathy L. DE JONG
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Publication number: 20100068636Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.Type: ApplicationFiled: November 27, 2007Publication date: March 18, 2010Applicant: XEROX CORPORATIONInventors: Hany AZIZ, Kathy L. DE JONG, Nan-Xing HU, Jennifer A. COGGAN, Johann JUNGINGER, Ah-Mee HOR
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Patent number: 7645548Abstract: A coating composition having a polymer resin composition containing at lest an acid catalyst and a masking agent, wherein the masking agent is selected from the group consisting of compound A, compound B, and the acylated derivatives of compound A, where compound A is given by the structural formula (I): where X represents a substituent selected from the group consisting of —OR and —NR?R?, wherein R, R?, and R? each independently represent a hydrogen atom or a hydrocarbyl group; and compound B is given by the structural formula (II): where Y and Z independently represent —OH or —NH2.Type: GrantFiled: November 6, 2006Date of Patent: January 12, 2010Assignee: Xerox CorporationInventors: Kathy L. De Jong, Hany Aziz, Nan-Xing Hu
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Publication number: 20090263737Abstract: The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.Type: ApplicationFiled: April 22, 2008Publication date: October 22, 2009Applicant: XEROX CORPORATIONInventors: Kathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
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Publication number: 20090226828Abstract: Disclosed is a photoconductive member including a self-healing composite coating having a polymer matrix, a photoconductive component, a healing material encapsulated within nano- or microcapsules, and an optional catalyst, that is capable of repairing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is photoconductive member including a substrate, an undercoat layer, a charge generating layer, a charge transport layer, and an optional protective overcoat layer; in which one layer of the photoconductive member further includes a healing material encapsulated within nano- or microcapsules and an optional catalyst, and that is capable or reparing physical damage to the photoconductive member when the capsule ruptures. Also disclosed is an imaging forming apparatus including same.Type: ApplicationFiled: March 4, 2008Publication date: September 10, 2009Applicant: XEROX CORPORATIONInventors: Kathy L. DE JONG, Nan-Xing HU, Giuseppa BARANYI