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公开(公告)号：US11086243B1
公开(公告)日：2021-08-10
申请号：US16800176
申请日：2020-02-25
Applicant: Xerox Corporation
Inventor： Jordan A. Frank , Daniel W. Asarese , Paul K. Acquaviva , Chieh-Min Cheng , Michael F. Zona , Richard P. N. Veregin
Abstract: A toner composition including a first wax; a second wax that is different from the first wax; wherein the first wax comprises a paraffin wax; wherein the second wax comprises a polymethylene wax; at least one polyester; and an optional colorant.
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公开(公告)号：US10409185B2
公开(公告)日：2019-09-10
申请号：US15891818
申请日：2018-02-08
Applicant: Xerox Corporation
Inventor： Siddhesh Nitin Pawar , Juan A. Morales-Tirado , Grazyna E. Kmiecik-Lawrynowicz , Daniel W. Asarese , Jordan A. Frank
Abstract: Methods of forming a toner are provided. In embodiments, such a method comprises forming a toner from a mixture of at least one resin, at least one wax, and optionally, at least one colorant, wherein the at least one wax is of a type and is present at an amount which are selected to provide a predetermined PER10 value for the toner; and measuring a PER10 value for the toner, wherein the measured PER10 value for the toner is equal to or less than the predetermined PER10 value. Toners formed using the methods are also provided.
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3.发明申请公开(公告)号：US20190243271A1
公开(公告)日：2019-08-08
申请号：US15891818
申请日：2018-02-08
Applicant: Xerox Corporation
Inventor： Siddhesh Nitin Pawar , Juan A. Morales-Tirado , Grazyna E. Kmiecik-Lawrynowicz , Daniel W. Asarese , Jordan A. Frank
CPC classification number: G03G9/09392 , G03G9/0802 , G03G9/0804 , G03G9/0808 , G03G9/0821 , G03G9/0825 , G03G9/08706 , G03G9/08711 , G03G9/08726 , G03G9/08782 , G03G9/08784
Abstract: Methods of forming a toner are provided. In embodiments, such a method comprises forming a toner from a mixture of at least one resin, at least one wax, and optionally, at least one colorant, wherein the at least one wax is of a type and is present at an amount which are selected to provide a predetermined PER10 value for the toner; and measuring a PER10 value for the toner, wherein the measured PER10 value for the toner is equal to or less than the predetermined PER10 value. Toners formed using the methods are also provided.
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公开(公告)号：US12066790B2
公开(公告)日：2024-08-20
申请号：US17167430
申请日：2021-02-04
Applicant: Xerox Corporation
Inventor： Jordan A. Frank , Daniel W. Asarese , Chieh-Min Cheng , Paul K. Acquaviva , Richard P. N. Veregin , Michael F. Zona
CPC classification number: G03G9/09364 , G03G9/081 , G03G9/08711 , G03G9/08782 , G03G9/0904 , G03G9/0918 , G03G9/09321
Abstract: Toner particles including a core and a shell thereover; wherein the core comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene-acrylate copolymer 2, and styrene-acrylate copolymer 3, and combinations thereof a wax; and an optional colorant; wherein the shell comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene acrylate copolymer 2, styrene acrylate copolymer 3, and combinations thereof.
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公开(公告)号：US20220244656A1
公开(公告)日：2022-08-04
申请号：US17167430
申请日：2021-02-04
Applicant: Xerox Corporation
Inventor： Jordan A. Frank , Daniel W. Asarese , Chieh-Min Cheng , Paul K. Acquaviva , Richard P. N. Veregin , Michael F. Zona
Abstract: Toner particles including a core and a shell thereover; wherein the core comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene-acrylate copolymer 2, and styrene-acrylate copolymer 3, and combinations thereof a wax; and an optional colorant; wherein the shell comprises at least one styrene-acrylate copolymer selected from styrene-acrylate copolymer 1, styrene acrylate copolymer 2, styrene acrylate copolymer 3, and combinations thereof.
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Patent Agency Ranking
公开(公告)号：US20210263437A1
公开(公告)日：2021-08-26
申请号：US16800236
申请日：2020-02-25
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Michael F. Zona , Jordan A. Frank , Daniel W. Asarese , Chieh-Min Cheng , Paul K. Acquaviva
Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large cross-linked organic polymeric additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
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公开(公告)号：US09164410B2
公开(公告)日：2015-10-20
申请号：US13930938
申请日：2013-06-28
Applicant: XEROX CORPORATION
Inventor： Grazyna E. Kmiecik-Lawrynowicz , Maura A. Sweeney , Daniel W. Asarese , Samir Kumar
CPC classification number: G03G9/09775 , G03G9/0819 , G03G9/0827 , G03G9/08782 , G03G9/09321 , G03G9/09328 , G03G9/09335 , G03G9/09364 , G03G9/09716 , G03G9/09725 , G03G9/09733
Abstract: A toner composition with a novel surface additive package for developing images is provided. The additive package comprises a sol-gel silica, a PDMS silica, an HMDS silica, and an organic spacer such as PMMA, and melamine. The toner composition exhibits improved properties and are useful for high speed printing on Single Component Development systems.
Abstract translation: 提供了具有用于显影图像的新型表面添加剂包的调色剂组合物。 添加剂包括溶胶 - 凝胶二氧化硅，PDMS二氧化硅，HMDS二氧化硅和有机间隔物如PMMA和三聚氰胺。 调色剂组合物显示出改进的性能，并且可用于单组分开发系统上的高速印刷。
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公开(公告)号：US20140255841A1
公开(公告)日：2014-09-11
申请号：US14285193
申请日：2014-05-22
Applicant: XEROX CORPORATION
CPC classification number: G03G9/09708 , G03G9/0804 , G03G9/0819 , G03G9/0823 , G03G9/0827 , G03G9/08797
Abstract: A toner having charge control agents which impart excellent triboelectric charging characteristics. In embodiments, the toner particles are made by a process in which charge control agent is added and adhered to the particle surface through washing steps and is maintained through the drying steps. The process of the present embodiments impart desirable charging characteristics to the toner particles.
Abstract translation: 具有赋予优异摩擦带电特性的电荷控制剂的调色剂。 在实施方案中，调色剂颗粒通过其中加入电荷控制剂并通过洗涤步骤粘附到颗粒表面并通过干燥步骤维持的方法制备。 本实施例的方法赋予调色剂颗粒所需的充电特性。
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公开(公告)号：US20210263436A1
公开(公告)日：2021-08-26
申请号：US16800176
申请日：2020-02-25
Applicant: Xerox Corporation
Inventor： Jordan A. Frank , Daniel W. Asarese , Paul K. Acquaviva , Chieh-Min Cheng , Michael F. Zona , Richard P. N. Veregin
Abstract: A toner composition including a first wax; a second wax that is different from the first wax; wherein the first wax comprises a paraffin wax; wherein the second wax comprises a polymethylene wax; at least one polyester; and an optional colorant.
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公开(公告)号：US11086244B1
公开(公告)日：2021-08-10
申请号：US16800236
申请日：2020-02-25
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Michael F. Zona , Jordan A. Frank , Daniel W. Asarese , Chieh-Min Cheng , Paul K. Acquaviva
Abstract: A toner including a parent toner particle comprising at least one resin, in combination with an optional colorant, and an optional wax; and a surface additive formulation comprising at least one medium silica surface additive; at least one large cross-linked organic polymeric additive; at least one positive charging surface additive, wherein the at least one positive charging surface additive is (a) a titanium dioxide surface additive; and wherein the parent toner particles further contain a small silica; or (b) a non-titanium dioxide positive charging metal oxide surface additive; and wherein the parent toner particles further optionally contain a small silica; and wherein a total surface area coverage of all of the surface additives combined is 100 to 140 percent of the parent toner particle surface area.
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