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公开(公告)号：USRE49572E1
公开(公告)日：2023-07-04
申请号：US17096149
申请日：2020-11-12
Applicant: XEROX CORPORATION
Inventor： Richard P. N. Veregin , Eric Rotberg , Edward Graham Zwartz , Suxia Yang , Daryl W. Vanbesien , Cuong Vong , Karen Ann Moffat
CPC classification number: G03G9/09371 , G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/08782 , G03G9/09392 , G03G13/0133 , G03G13/20 , G03G15/08
Abstract: The present disclosure provides processes for producing images with toner particles. In embodiments, toner particles of a certain diameter in size are applied to a substrate as an incomplete monolayer, and then fused to form an image that is a complete monolayer and possesses a thickness less than the diameter of the particles utilized to form the image.
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公开(公告)号：US11126103B2
公开(公告)日：2021-09-21
申请号：US16892967
申请日：2020-06-04
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Shivanthi Easwari Sriskandha , David R. Kurceba , Scott Edward Silver , Melanie Lynn Davis , Cuong Vong
Abstract: A polymeric composition including a copolymer comprising a first monomer having a high carbon to oxygen ratio of from about 3 to about 8; a second monomer comprising two or more vinyl groups, wherein the second monomer is present in the copolymer in an amount of from greater than about 8 percent by weight to about 40 percent by weight, based on the weight of the copolymer; and optionally, a third monomer comprising an amine, wherein the third monomer is present in an amount of from about 0.1 percent by weight to about 1.5 percent by weight, based on the weight of the copolymer; and a surfactant, wherein the surfactant has a minimum surface tension at critical micelle concentration of less than about 30 mN/m. A toner including the copolymer as a toner surface additive. An emulsion aggregation toner process including the copolymer as a toner surface additive.
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公开(公告)号：US20210164960A1
公开(公告)日：2021-06-03
申请号：US16701312
申请日：2019-12-03
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Kimberly D. Nosella , Rosa M. Duque , Melanie Lynn Davis , David R. Kurceba , Cuong Vong
IPC: G01N33/44 , C08F2/28 , H01J49/10 , C08F220/18 , G01N23/223 , C08F212/36 , C08F220/34
Abstract: A method for assessing polymeric additive content A in a polymeric particle mixture may comprise determining a concentration B of a metal cation in a polymeric particle mixture comprising parent polymeric particles and polymeric additive particles, wherein the metal cation is selected from alkali earth metals and alkali metals, other than sodium (Na), and the metal cation is capable of forming a water-soluble base; determining a concentration C of the metal cation in the parent polymeric particles; determining a concentration D of the metal cation in the polymeric additive particles; and calculating a polymeric additive content A using formula A=(B−C)/D.
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公开(公告)号：US20200308328A1
公开(公告)日：2020-10-01
申请号：US16369013
申请日：2019-03-29
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Padam K. Angra , Maria McCall Barden , Majid Kamel , Cuong Vong , Randy P. Tin , Mark A. Jackson , John J. Ianni
IPC: C08F220/18 , C08F212/36 , C08F220/34 , G03G9/08 , G03G9/093
Abstract: A polymeric composition including a copolymer comprising a first monomer having a high carbon to oxygen ratio of from about 3 to about 8; a second monomer comprising two or more vinyl groups, wherein the second monomer is present in the copolymer in an amount of from greater than about 8 percent by weight to about 60 percent by weight, based on the weight of the copolymer; and, optionally, a third monomer comprising an amine, wherein the third monomer, if present, is present in an amount of from about 0.5 percent by weight to about 5 percent by weight, based on the weight of the copolymer. A toner including the copolymer as a toner surface additive. An emulsion aggregation toner process including the copolymer as a toner surface additive.
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公开(公告)号：US09971265B1
公开(公告)日：2018-05-15
申请号：US15440578
申请日：2017-02-23
Applicant: Xerox Corporation
Inventor： Guerino G. Sacripante , Yulin Wang , Richard P. N. Veregin
CPC classification number: G03G9/09371 , C08G63/00 , G03G9/0825 , G03G9/08755 , G03G9/08775 , G03G9/0904 , G03G9/0918 , G03G9/09321 , G03G9/09328
Abstract: Disclosed are toner compositions that contain a core of at least one bio-based amorphous polyester resin, at least one of a crystalline polyester resin, an optional colorant, and an optional wax, and where the core is coated with a polymeric shell.
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Patent Agency Ranking
公开(公告)号：US09639017B2
公开(公告)日：2017-05-02
申请号：US14256941
申请日：2014-04-19
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Richard P. N. Veregin , Shigang S. Qiu , Michael J. D'Amato , Aurelian Valeriu Magdalinis , David John William Lawton
CPC classification number: G03G9/0812 , G03G9/0804 , G03G9/0808 , G03G9/081 , G03G9/0819 , G03G9/08755 , G03G9/08782 , G03G9/0904 , G03G9/0906 , G03G9/0926 , G03G9/09392
Abstract: A toner including a resin; and a colorant wax comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; and wherein the colorant wax is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the plurality of colorant wax particles; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer.
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47.发明授权Toner particles comprising both polyester and styrene acrylate polymers having a polyester shell 有权包含具有聚酯壳的聚酯和苯乙烯丙烯酸酯聚合物的调色剂颗粒公开(公告)号：US09383666B1
公开(公告)日：2016-07-05
申请号：US14676757
申请日：2015-04-01
Applicant: XEROX CORPORATION
Inventor： David J. W. Lawton , Richard P. N. Veregin , Guerino G. Sacripante , Melanie Lynn Davis , Edward G. Zwartz
CPC classification number: G03G9/0808 , G03G9/0806 , G03G9/081 , G03G9/0819 , G03G9/0825 , G03G9/0827 , G03G9/08711 , G03G9/08733 , G03G9/08755 , G03G9/093 , G03G9/09321 , G03G9/09364 , G03G9/09371 , G03G9/09378 , G03G9/09392
Abstract: Toners and processes useful in providing toners suitable for electrophotographic apparatuses, including apparatuses such as digital, image-on-image, and similar apparatuses. In particular, emulsion aggregation toners that comprise toner particles having a core composed of either polyester resin or both styrene-acrylate and polyester resins. These embodiments also comprise a shell disposed over the core, wherein the shell comprises styrene-acrylate resin.
Abstract translation: 可用于提供适合于电子照相设备的调色剂的调色剂和方法，包括诸如数字，图像图像和类似设备的设备。 特别是包含具有由聚酯树脂或苯乙烯 - 丙烯酸酯和聚酯树脂两者组成的芯的调色剂颗粒的乳液聚集调色剂。 这些实施方案还包括设置在芯上的壳，其中壳包含苯乙烯 - 丙烯酸酯树脂。
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48.发明授权Toner particles comprising both polyester and styrene acrylate polymers having a polyester shell 有权包含具有聚酯壳的聚酯和苯乙烯丙烯酸酯聚合物的调色剂颗粒公开(公告)号：US09341968B1
公开(公告)日：2016-05-17
申请号：US14676509
申请日：2015-04-01
Applicant: XEROX CORPORATION
Inventor： David Lawton , Edward G. Zwartz , Kimberly D. Nosella , Melanie Lynn Davis , Richard P. N. Veregin , Guerino G. Sacripante
CPC classification number: G03G9/0808 , G03G9/0806 , G03G9/081 , G03G9/0825 , G03G9/08711 , G03G9/08733 , G03G9/093 , G03G9/09392
Abstract: The disclosure provides a toner composition comprising toner particles with a core and a shell, wherein the core comprises a polyester polymer and a styrene acrylate polymer, and the shell comprises a polyester polymer and, optionally, a styrene acrylate polymer, either or both of which can be the same or different from that in the core.
Abstract translation: 本公开提供了一种调色剂组合物，其包含具有芯和壳的调色剂颗粒，其中所述芯包含聚酯聚合物和苯乙烯丙烯酸酯聚合物，并且所述壳包含聚酯聚合物和任选的苯乙烯丙烯酸酯聚合物，其中任一种或两者 可以与核心相同或不同。
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公开(公告)号：US09285699B2
公开(公告)日：2016-03-15
申请号：US14267825
申请日：2014-05-01
Applicant: XEROX CORPORATION
Inventor： Bernard A. Kelly , Thomas C. Dombroski , Brian S. Giannetto , Brian E. Moore , Lloyd D. Spencer , Richard P. N. Veregin , Karen A. Moffat , Thomas E. Enright , Valerie M. Farrugia , Michael S. Hawkins , Wafa F. Bashir
CPC classification number: G03G9/1133 , G03G9/08755 , G03G9/107 , G03G9/1131 , G03G9/1135 , G03G9/1137 , G03G9/1139
Abstract: Disclosed is a carrier suitable for use with an electrophotographic developer and an electrophotographic developer containing the carrier. In particular, the carrier is powder coated and comprises a copolymer of cyclohexylmethacrylate and dimethylaminoethylmethacrylate.
Abstract translation: 公开了适用于电子照相显影剂和含有载体的电子照相显影剂的载体。 特别地，载体是粉末涂覆的，并且包含甲基丙烯酸环己酯和甲基丙烯酸二甲基氨基乙酯的共聚物。
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公开(公告)号：US09229344B2
公开(公告)日：2016-01-05
申请号：US14255874
申请日：2014-04-17
Applicant: XEROX CORPORATION
Inventor： Karen A. Moffat , Yulin Wang , Shigang Steven Qiu , John Lawrence Pawlak , Alexander N. Klymachyov , Kevin F. Marcell , Judith M. Vandewinckel , Wafa F. Bashir , Richard P. N. Veregin , Christopher M. Wolfe
IPC: G03G9/08 , G03G9/087 , C08F283/02
CPC classification number: G03G9/08755 , C08F283/02 , G03G9/0804 , G03G9/0806 , G03G9/08795 , G03G9/08797
Abstract: Unsaturated polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The unsaturated polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions that have improved performance.
Abstract translation: 不饱和聚酯树脂及其制备方法在此公开。 特别地，制造树脂的方法提供具有改进性能的树脂。 与常规方法相比，不饱和聚酯树脂具有显着降低的游离富马酸。 调色剂树脂用于制备具有改进性能的调色剂组合物。
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