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公开(公告)号：US08361685B2
公开(公告)日：2013-01-29
申请号：US12613426
申请日：2009-11-05
Applicant: Robert C. U. Yu , Kent J. Evans , Yuhua Tong , Nancy L. Belknap , Helen R. Cherniack , Robert P. Altavela , Edward F. Grabowski
Inventor： Robert C. U. Yu , Kent J. Evans , Yuhua Tong , Nancy L. Belknap , Helen R. Cherniack , Robert P. Altavela , Edward F. Grabowski
IPC: G03G15/04
CPC classification number: G03G5/0564 , G03G5/08221 , G03G5/142
Abstract: The disclosed embodiments are directed to processes for removing photoreceptor coatings from a substrate, wherein the photoreceptor coatings disposed over a substrate of an electrophotographic photoreceptor. More specifically, the present embodiments discloses a photoreceptor coatings removal process comprises subjecting an electrophotographic photoreceptor to a stripping solution that separates the coatings from the substrate.
Abstract translation: 所公开的实施例涉及从基底去除感光体涂层的方法，其中设置在电子照相感光体的基底上的感光体涂层。 更具体地，本实施例公开了一种光感受器去除方法，其包括使电子照相感光体经受从衬底分离涂层的剥离溶液。
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公开(公告)号：US08257892B2
公开(公告)日：2012-09-04
申请号：US12692521
申请日：2010-01-22
Applicant: Jin Wu , Yuhua Tong , Helen R. Cherniack , Edward F. Grabowski , Kent J. Evans , Nancy L. Belknap
Inventor： Jin Wu , Yuhua Tong , Helen R. Cherniack , Edward F. Grabowski , Kent J. Evans , Nancy L. Belknap
IPC: G03G5/14
Abstract: Embodiments relate generally to an imaging member that facilitates removal of the imaging member coating layers disposed over the imaging member and environmentally or “green” methods for using the same. More specifically, the present embodiments disclose an electrophotographic photoreceptor that includes a specifically formulated undercoat layer that allows easy removal of the photoreceptor layers disposed on top of the undercoat layer. The present embodiments provide a simple yet efficient method for reclaiming recycling or remanufacturing electrophotographic photoreceptors.
Abstract translation: 实施例总体上涉及有助于去除设置在成像构件上的成像构件涂层的成像构件和使用该成像构件的环境或“绿色”方法。 更具体地，本实施例公开了一种电子照相感光体，其包括特别配制的底涂层，其允许容易地去除设置在底涂层顶部上的感光体层。 本实施例提供了回收再循环或再生电子照相感光体的简单而有效的方法。
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3.发明授权Photoconductive imaging members having pyrolized polyacrylonitrile hole blocking layer 有权具有热解聚丙烯腈空穴阻挡层的光导成像构件公开(公告)号：US07049038B2
公开(公告)日：2006-05-23
申请号：US10774636
申请日：2004-02-09
Applicant: Timothy J. Fuller , Helen R. Cherniack , Damodar M. Pai , Markus R. Silvestri , John F. Yanus , Yuhua Tong , Dale S. Renfer , Kenny-Tuan T. Dinh , Merlin E. Scharfe , Steven M. Sterling
Inventor： Timothy J. Fuller , Helen R. Cherniack , Damodar M. Pai , Markus R. Silvestri , John F. Yanus , Yuhua Tong , Dale S. Renfer , Kenny-Tuan T. Dinh , Merlin E. Scharfe , Steven M. Sterling
IPC: G03G5/14
CPC classification number: G03G5/142 , G03G5/0542 , G03G5/0546 , G03G5/0614 , G03G5/0644 , G03G5/0646 , G03G5/0651 , G03G5/0657 , G03G5/0659 , G03G5/0696
Abstract: A photoconductive imaging member comprised of an optional supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a pyrolyzed polyacrylonitrile.
Abstract translation: 一种感光成像构件，包括任选的支撑衬底，其上的空穴阻挡层，光生代层和电荷输送层，并且其中空穴阻挡层由热解的聚丙烯腈构成。
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公开(公告)号：US20120225380A1
公开(公告)日：2012-09-06
申请号：US13472909
申请日：2012-05-16
Applicant: Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack
Inventor： Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack
IPC: G03G5/00
CPC classification number: G03G5/142 , B08B3/08 , C08K3/22 , C08K5/435 , G03G5/102 , G03G5/144 , G03G2215/00957 , Y02P20/582
Abstract: A photoreceptor undercoat containing a sulfonamide facilitates removal of coatings from the substrate.
Abstract translation: 含有磺酰胺的感光体底涂层有助于从基底去除涂层。
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公开(公告)号：US20120052428A1
公开(公告)日：2012-03-01
申请号：US12869124
申请日：2010-08-26
Applicant: Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack , Marc J. Livecchi
Inventor： Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack , Marc J. Livecchi
CPC classification number: G03G5/144 , G03G5/0605 , G03G5/0614 , G03G5/0696
Abstract: A photoconductor that includes, for example, a supporting substrate, an undercoat layer thereover that contains a metal oxide, a phenolic resin, and a pentanediol ester; a photogenerating layer; and at least one charge transport layer.
Abstract translation: 包含例如支撑基板，含有金属氧化物的底涂层，酚醛树脂和戊二醇酯的感光体， 光生代层; 和至少一个电荷传输层。
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Patent Agency Ranking
6.发明授权Photoconductive imaging members having pyrolyzed polyacrylonitrile hole blocking layer 有权具有热解聚丙烯腈空穴阻挡层的光导成像构件公开(公告)号：US07226712B2
公开(公告)日：2007-06-05
申请号：US11302877
申请日：2005-12-14
Applicant: Timothy J. Fuller , Helen R. Cherniack , Damodar M. Pai , Markus R. Silvestri , John F. Yanus , Yuhua Tong , Dale S. Renfer , Kenny-Tuan T. Dinh , Merlin E. Scharfe , Steven M. Sterling
Inventor： Timothy J. Fuller , Helen R. Cherniack , Damodar M. Pai , Markus R. Silvestri , John F. Yanus , Yuhua Tong , Dale S. Renfer , Kenny-Tuan T. Dinh , Merlin E. Scharfe , Steven M. Sterling
IPC: G03G5/14
CPC classification number: G03G5/142 , G03G5/0542 , G03G5/0546 , G03G5/0614 , G03G5/0644 , G03G5/0646 , G03G5/0651 , G03G5/0657 , G03G5/0659 , G03G5/0696
Abstract: A photoconductive imaging member comprised of an optional supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a pyrolyzed polyacrylonitrile.
Abstract translation: 一种感光成像构件，包括任选的支撑衬底，其上的空穴阻挡层，光生代层和电荷传输层，并且其中空穴阻挡层由热解的聚丙烯腈构成。
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7.发明授权Wear resistant charge transport layer with enhanced toner transfer efficiency, containing polytetrafluoroethylene particles 有权耐磨电荷输送层具有增强的调色剂转印效率，含有聚四氟乙烯颗粒公开(公告)号：US06337166B1
公开(公告)日：2002-01-08
申请号：US09712847
申请日：2000-11-15
Applicant: John S. Chambers , Huoy-Jen Yuh , Michael Sanchez , Cindy C. Chen , Harold F. Hammond , Abukar Wehelie , Helen R. Cherniack , Robert C. U. Yu , John S. Facci , Rachael Mc Grath
Inventor： John S. Chambers , Huoy-Jen Yuh , Michael Sanchez , Cindy C. Chen , Harold F. Hammond , Abukar Wehelie , Helen R. Cherniack , Robert C. U. Yu , John S. Facci , Rachael Mc Grath
IPC: G03G504
CPC classification number: G03G5/0503 , G03G5/0539 , G03G5/0564
Abstract: A charge transport layer material for a photoreceptor includes at least a polycarbonate polymer binder having a number average molecular weight of not less than 35,000, at least one charge transport material, polytetrafluoroethylene particle aggregates having an average size of less than about 1.5 microns and a fluorine-containing polymeric surfactant dispersed in a solvent mixture of at least tetrahydrofuran and toluene. The dispersion is able to form a uniform and stable material ideal for use in forming a charge transport layer of a photoreceptor. The resultant charge transport layer exhibits excellent wear resistance against contact with an AC bias charging roll, excellent electrical performance, and delivers superior print quality.
Abstract translation: 用于感光体的电荷传输层材料至少包括数均分子量不小于35,000的聚碳酸酯聚合物粘合剂，至少一种电荷传输材料，平均尺寸小于约1.5微米的聚四氟乙烯颗粒聚集体和氟 的分散在至少四氢呋喃和甲苯的溶剂混合物中的聚合物表面活性剂。 分散体能够形成理想的用于形成感光体的电荷输送层的均匀且稳定的材料。 所得的电荷输送层具有优异的抗AC偏压充电辊接触的耐磨性，优异的电性能，并提供出色的印刷质量。
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8.发明授权Stable charge transport layer dispersion containing polytetrafluoroethylene particles and hydrophobic silica 有权含有聚四氟乙烯颗粒和疏水性二氧化硅的稳定的电荷输送层分散体公开(公告)号：US06326111B1
公开(公告)日：2001-12-04
申请号：US09712184
申请日：2000-11-15
Applicant: John S. Chambers , Huoy-Jen Yuh , Michael Sanchez , Harold F. Hammond , Helen R. Cherniack , Robert C. U. Yu , John S. Facci , Rachael McGrath
Inventor： John S. Chambers , Huoy-Jen Yuh , Michael Sanchez , Harold F. Hammond , Helen R. Cherniack , Robert C. U. Yu , John S. Facci , Rachael McGrath
IPC: G03G505
CPC classification number: G03G5/0507 , G03G5/05 , G03G5/0535 , G03G5/0539 , G03G5/0564
Abstract: A charge transport layer material for a photoreceptor includes at least a polycarbonate polymer, at least one charge transport material, polytetrafluoroethylene particle aggregates having an average size of less than about 1.5 microns, hydrophobic silica and a fluorine-containing polymeric surfactant dispersed in a solvent. The presence of the hydrophobic silica enables the dispersion to have superior stability by preventing settling of the PTFE particles. A resulting charge transport layer produced from the dispersion exhibits excellent wear resistance against contact with an AC bias charging roll, excellent electrical performance, and delivers superior print quality.
Abstract translation: 用于感光体的电荷传输层材料至少包括聚碳酸酯聚合物，至少一种电荷传输材料，平均尺寸小于约1.5微米的聚四氟乙烯颗粒聚集体，分散在溶剂中的疏水性二氧化硅和含氟聚合物表面活性剂。 疏水性二氧化硅的存在使得分散体通过防止PTFE颗粒的沉降而具有优异的稳定性。 由分散体制成的电荷输送层表现出优良的抗交流偏压充电辊接触的耐磨性，优异的电气性能，并提供出色的印刷质量。
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公开(公告)号：US06200716B1
公开(公告)日：2001-03-13
申请号：US09440556
申请日：1999-11-15
Applicant: Timothy J. Fuller , Huoy-Jen Yuh , John S. Chambers , Harold F. Hammond , Damodar M. Pai , John F. Yanus , Markus R. Silvestri , Helen R. Cherniack
Inventor： Timothy J. Fuller , Huoy-Jen Yuh , John S. Chambers , Harold F. Hammond , Damodar M. Pai , John F. Yanus , Markus R. Silvestri , Helen R. Cherniack
IPC: G03G510
Abstract: A photoreceptor including: (a) a substrate; (b) a charge blocking layer comprising a polymer polymerized fiom at least one monomer including vinylbenzyl alcohol monomer; and (c) at least one imaging layer.
Abstract translation: 感光体，包括：（a）基材; （b）电荷阻挡层，其包含聚合至少一种包含乙烯基苄醇单体的单体的聚合物; 和（c）至少一个成像层。
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公开(公告)号：US08940105B2
公开(公告)日：2015-01-27
申请号：US13472909
申请日：2012-05-16
Applicant: Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack
Inventor： Yuhua Tong , Jin Wu , Nancy L. Belknap , Helen R. Cherniack
CPC classification number: G03G5/142 , B08B3/08 , C08K3/22 , C08K5/435 , G03G5/102 , G03G5/144 , G03G2215/00957 , Y02P20/582
Abstract: A photoreceptor undercoat containing a sulfonamide facilitates removal of coatings from the substrate.
Abstract translation: 含有磺酰胺的感光体底涂层有助于从基底去除涂层。
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