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公开(公告)号：US10725394B1
公开(公告)日：2020-07-28
申请号：US16369206
申请日：2019-03-29
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：US20200310274A1
公开(公告)日：2020-10-01
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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3.发明授权Optimized latex particle size for improved hot offset temperature for sustainable toners 有权优化的胶乳颗粒尺寸，用于改善可持续调色剂的热胶印温度公开(公告)号：US09372422B2
公开(公告)日：2016-06-21
申请号：US14161670
申请日：2014-01-22
Applicant: XEROX CORPORATION
Inventor： Ke Zhou , Guerino G. Sacripante , Richard Philip Nelson Veregin , Edward Graham Zwartz , Abdisamed Sheik Qasim , Rashid Mahmood , Mark R. Elliott , Cuong Vong , Melanie Lynn Davis
CPC classification number: G03G9/0819 , G03G9/0804 , G03G9/0812 , G03G9/0821 , G03G9/08755 , G03G9/08795 , G03G9/08797
Abstract: The disclosure provides sustainable toner particles of from about 180 nm to about 250 nm in a sustainable toner composition having a hot offset temperature of from about 190° C. to about 220° C.
Abstract translation: 本发明提供了在约190℃至约220℃的热偏移温度的可持续调色剂组合物中约180nm至约250nm的可持续调色剂颗粒。
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公开(公告)号：US20230097294A1
公开(公告)日：2023-03-30
申请号：US17476933
申请日：2021-09-16
Applicant: Xerox Corporation
Inventor： Richard Philip Nelson Veregin , Kimberly D. Nosella , Raysa Rodriguez Diaz , Melanie Lynn Davis , Cuong Vong
Abstract: Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles comprising at least one resin, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the toner particles. The polymeric toner additive includes a polymeric resin comprising a cross-linked fluorinated acrylic monomer, a cross-linkable monomer containing two or more vinyl groups at 8 wt% to 40 wt% of the polymeric resin, and optionally a charge control agent comprising nitrogen containing group at 0.1 wt% to 1.5 wt% of the polymeric resin.
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公开(公告)号：US11579138B2
公开(公告)日：2023-02-14
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 , G01N23/223 , H01J49/10 , C08F2/28 , C08F220/18 , 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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Patent Agency Ranking
6.发明申请公开(公告)号：US20160216624A1
公开(公告)日：2016-07-28
申请号：US15089757
申请日：2016-04-04
Applicant: XEROX CORPORATION
Inventor： Ke Zhou , Guerino G. Sacripante , Richard Philip Nelson Veregin , Edward Graham Zwartz , Abdisamed Sheik Qasim , Rashid Mahmood , Mark R. Elliott , Cuong Vong , Melanie Lynn Davis
IPC: G03G9/08
CPC classification number: G03G9/0819 , G03G9/0804 , G03G9/0812 , G03G9/0821 , G03G9/08755 , G03G9/08795 , G03G9/08797
Abstract: The disclosure provides sustainable toner particles of from about 180 nm to about 250 nm in a sustainable toner composition having a hot offset temperature of from about 190° C. to about 220° C.
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公开(公告)号：US11644760B2
公开(公告)日：2023-05-09
申请号：US17086519
申请日：2020-11-02
Applicant: Xerox Corporation
Inventor： Richard Philip Nelson Veregin , Kimberly D. Nosella , Raysa Rodriguez Diaz , Melanie Lynn Davis , Cuong Vong
CPC classification number: G03G9/08728 , G03G9/0819 , G03G9/08782 , G03G9/08793 , G03G9/09 , G03G9/09725 , G03G9/135
Abstract: Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles including at least one resin, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the toner particles. The polymeric toner additive includes a polymeric resin including a fluorinated monomer, wherein the polymeric resin is less than 10% by weight crosslinked, and optionally a charge control agent comprising nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
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公开(公告)号：US11150568B2
公开(公告)日：2021-10-19
申请号：US16369126
申请日：2019-03-29
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Shivanthi Easwari Sriskandha , David R. Kurceba , Melanie Lynn Davis , Cuong Vong
Abstract: A toner including toner particles comprising at least one resin, in combination with an optional colorant, and an optional wax; and a copolymer toner additive on at least a portion of an external surface of the toner particles, the copolymer toner additive comprising a first monomer having a high carbon to oxygen ratio of from about 3 to about 8; and 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; wherein the copolymer toner additive has a volume average particle diameter of from about 20 nanometers to less than about 70 nanometers. An emulsion aggregation toner process including the copolymer as a toner surface additive.
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公开(公告)号：US20200310268A1
公开(公告)日：2020-10-01
申请号：US16369126
申请日：2019-03-29
Applicant: Xerox Corporation
Inventor： Richard P. N. Veregin , Shivanthi Easwari Sriskandha , David R. Kurceba , Melanie Lynn Davis , Cuong Vong
Abstract: A toner including toner particles comprising at least one resin, in combination with an optional colorant, and an optional wax; and a copolymer toner additive on at least a portion of an external surface of the toner particles, the copolymer toner additive comprising a first monomer having a high carbon to oxygen ratio of from about 3 to about 8; and 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; wherein the copolymer toner additive has a volume average particle diameter of from about 20 nanometers to less than about 70 nanometers. An emulsion aggregation toner process including the copolymer as a toner surface additive.
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10.发明申请OPTIMIZED LATEX PARTICLE SIZE FOR IMPROVED HOT OFFSET TEMPERATURE FOR SUSTAINABLE TONERS 有权优化的LATEX粒子尺寸，用于改善可持续发光体的热偏移温度公开(公告)号：US20150205219A1
公开(公告)日：2015-07-23
申请号：US14161670
申请日：2014-01-22
Applicant: Xerox Corporation
Inventor： Ke Zhou , Guerino G. Sacripante , Richard Philip Nelson Veregin , Edward Graham Zwartz , Abdisamed Sheik Qasim , Rashid Mahmood , Mark R. Elliott , Cuong Vong , Melanie Lynn Davis
IPC: G03G9/08
CPC classification number: G03G9/0819 , G03G9/0804 , G03G9/0812 , G03G9/0821 , G03G9/08755 , G03G9/08795 , G03G9/08797
Abstract: The disclosure provides sustainable toner particles of from about 180 nm to about 250 nm in a sustainable toner composition having a hot offset temperature of from about 190° C. to about 220° C.
Abstract translation: 本发明提供了在约190℃至约220℃的热偏移温度的可持续调色剂组合物中约180nm至约250nm的可持续调色剂颗粒。
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