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1. 发明授权

US06746810B2 Image formation method, replenishing toner used in this method and method of producing the same, and carrier-containing toner cartridge 有权
标题翻译：图像形成方法，用于该方法的补充调色剂及其制造方法以及含载体的调色剂盒
公开(公告)号：US06746810B2
公开(公告)日：2004-06-08
申请号：US10105255
申请日：2002-03-26
申请人： Chiaki Suzuki , Masahiro Takagi , Atsuhiko Eguchi , Satoshi Inoue , Sakon Takahashi , Masahiro Uchida , Rieko Kataoka , Hiroyuki Fukuda , Fusako Kiyono , Eiji Iwasaki
发明人： Chiaki Suzuki , Masahiro Takagi , Atsuhiko Eguchi , Satoshi Inoue , Sakon Takahashi , Masahiro Uchida , Rieko Kataoka , Hiroyuki Fukuda , Fusako Kiyono , Eiji Iwasaki
IPC分类号： G03G2110
CPC分类号： G03G9/10 , G03G9/0827 , G03G9/09725 , G03G9/1075 , G03G9/1132 , G03G9/1133 , G03G9/1134 , G03G9/1135
摘要： An image formation method which remarkably extends developer life while providing size reduction and high speed coloring. Also, a replenishing toner and a method of producing the same, and a toner cartridge. In the image formation method, conducting image formation by an image formation apparatus having a plurality of xerography units, the developer apparatus of at least one xerography unit has a developer recovering mechanism appropriately replenishing a replenishing toner composed of a toner and a carrier into the developer apparatus and recovering an excess portion of a developer from the equipment. The above-mentioned replenishing toner has a carrier content in the range of 5 to 40% by weight, the above-mentioned carrier is a carrier coated with a resin having a specific composition, and/or the above-mentioned toner is in a specific shape. The replenishing toner may be produced using the above-mentioned recovered developer.
摘要翻译：一种图像形成方法，其显着延长显影剂寿命，同时提供尺寸减小和高速着色。此外，补充调色剂及其制造方法以及调色剂盒。在图像形成方法中，通过具有多个静电复印单元的图像形成装置进行图像形成，至少一个静电复印单元的显影装置具有显影剂回收机构，适当地将由调色剂和载体构成的补充调色剂补充到显影剂中从设备中回收多余的显影剂。上述补充调色剂的载体含量在5-40重量％的范围内，上述载体是涂覆有具有特定组成的树脂的载体，和/或上述调色剂是特定的形状。可以使用上述回收的显影剂来制造补充调色剂。

2. 发明授权

US06613491B2 Electrophotographic toner, electrophotographic developer and process for forming image 有权
标题翻译：电子照相色调剂，电子照相显影剂和形成图像的方法
公开(公告)号：US06613491B2
公开(公告)日：2003-09-02
申请号：US10003088
申请日：2001-12-06
申请人： Satoshi Inoue , Masahiro Takagi , Kaori Ohishi , Rieko Kataoka , Fusako Kiyono , Atsuhiko Eguchi , Chiaki Suzuki
发明人： Satoshi Inoue , Masahiro Takagi , Kaori Ohishi , Rieko Kataoka , Fusako Kiyono , Atsuhiko Eguchi , Chiaki Suzuki
IPC分类号： G03G908
CPC分类号： G03G9/09725 , G03G9/0827 , G03G9/09708 , G03G9/09716
摘要： In an electrophotographic developer and a process for forming an image, an electrophotographic toner used therein contains spherical toner parent particles and two or more kinds of inorganic particles having different average particle diameters, at least one kind of the inorganic fine particles being spherical particles having an average primary particle diameter of about 80 to 300 nm, and the inorganic particles containing the spherical particles being attached to the toner parent particles to provide a structure satisfying the following conditions (1) and (2): (1) the spherical particles have a coverage on a surface of the toner parent particles of about 20% or more; and (2) a proportion of the inorganic particles that are separated from the toner parent particles upon dispersing the toner in an aqueous solution is about 35% or less of a total addition amount of the inorganic particles.
摘要翻译：在电子照相显影剂和形成图像的方法中，其中使用的电子照相调色剂含有球形调色剂母体颗粒和两种或更多种具有不同平均粒径的无机颗粒，至少一种无机细颗粒是具有平均一次粒径为约80〜300nm，将含有球状粒子的无机粒子附着在调色剂母粒上，得到满足下述条件（1）和（2）的结构：（1）球状粒子具有调色剂母粒子表面上的覆盖率为约20％以上; 和（2）将调色剂分散在水溶液中时与调色剂母体颗粒分离的无机颗粒的比例为无机颗粒总添加量的约35％以下。

3. 发明授权

US06517985B2 Electrophotographic developer and process for forming image 失效
标题翻译：电子照相显影剂和形成图像的方法
公开(公告)号：US06517985B2
公开(公告)日：2003-02-11
申请号：US10000302
申请日：2001-12-04
申请人： Masahiro Takagi , Satoshi Inoue , Kaori Ohishi , Rieko Kataoka , Fusako Kiyono , Chiaki Suzuki
发明人： Masahiro Takagi , Satoshi Inoue , Kaori Ohishi , Rieko Kataoka , Fusako Kiyono , Chiaki Suzuki
IPC分类号： G03G908
CPC分类号： G03G9/0821 , G03G9/0819 , G03G9/0823 , G03G9/0827 , G03G9/09 , G03G9/09708
摘要： An electrophotographic developer is provided that attains improvement in reliability by improvement in cleaning property and reduction in wear of a photoreceptor in a well-balanced manner without impairing high transfer efficiency and high image quality of a spherical toner. The electrophotographic developer contains a toner and a carrier, the toner containing spherical colored particles having an average shape factor (ML2/A) of about from 100 to 135 and irregular-shaped non-colored particles having a volume average particle diameter of about from 1 to 10 &mgr;m, a charge distribution of the developer having a peak value Q/Ma ascribable to the spherical colored particles and a peak value Q/Mb ascribable to the irregular-shaped non-colored particles, and the peak value Q/Ma and the peak value Q/Mb satisfying both the following formulae (1) and (2): 20 &mgr;C/g≦|Q/Ma|≦85 &mgr;C/g (1) −0.7 Q/Ma≦Q/Mb≦0.5 Q/Ma (2).
摘要翻译：提供了一种电子照相显影剂，其通过改善清洁性能并且以良好平衡的方式降低感光体的磨损而不损害球形调色剂的高转印效率和高图像质量而提高可靠性。电子照相显影剂含有调色剂和载体，调色剂含有平均形状因子（ML2 / A）为约100至135的球形着色颗粒和体积平均粒径为约1的不规则形状的无色颗粒至10μm，具有归属于球形着色颗粒的峰值Q / Ma的显影剂的电荷分布和归因于不规则形状的无色颗粒的峰值Q / Mb，峰值Q / Ma和满足下列公式（1）和（2）的峰值Q / Mb：

4. 发明授权

US06489075B2 Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image 有权
公开(公告)号：US06489075B2
公开(公告)日：2002-12-03
申请号：US10060338
申请日：2002-02-01
申请人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
发明人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
IPC分类号： G03G1316
CPC分类号： G03G9/09725 , G03G9/09708
摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;.cm or more.

5. 发明授权

US06479206B1 Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image 有权
公开(公告)号：US06479206B1
公开(公告)日：2002-11-12
申请号：US10132145
申请日：2002-04-26
申请人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
发明人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
IPC分类号： G03G908
CPC分类号： G03G9/09725 , G03G9/09708
摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;·cm or more.

6. 发明授权

US06403271B1 Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image 有权
标题翻译：用于显影静电潜像的调色剂，其制造方法，用于显影静电潜像的显影剂和用于形成图像的方法
公开(公告)号：US06403271B1
公开(公告)日：2002-06-11
申请号：US09583543
申请日：2000-06-01
申请人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
发明人： Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Yosuke Tsurumi , Kozo Ota , Sakon Takahashi , Tomohito Nakajima , Atsuhiko Eguchi
IPC分类号： G03G908
CPC分类号： G03G9/09725 , G03G9/09708
摘要： A toner for developing an electrostatic latent image, a process for producing the same, and a developer for developing an electrostatic latent image using the same are provided, in which the toner flowability, the charging property, the developing property, the transferring property and the fixing property are simultaneously satisfied in a long period of time. The toner for developing an electrostatic latent image comprising a colored particles containing a binder resin, a coloring agent and a releasing agent, and an external additive, the external additive containing a monodisperse spherical inorganic oxide having a true specific gravity of from 1.3 to 1.9 and a volume average particle diameter of from 80 to 300 nm. It is preferred that the inorganic oxide is silica, the colored particles have a shape coefficient of 125 or less, and the external additive further contains a reaction product of metatitanic acid and a coupling agent, which has an electric resistance of 1010 &OHgr;·cm or more.
摘要翻译：提供了用于显影静电潜像的调色剂，其制备方法和使用其的静电潜像显影剂，其中调色剂流动性，带电性，显影性，转印性和固定性能在长时间内同时得到满足。用于显影静电潜像的调色剂包括含有粘合剂树脂，着色剂和脱模剂的着色颗粒和外部添加剂，所述外部添加剂含有真比重为1.3至1.9的单分散球形无机氧化物和体积平均粒径为80〜300nm。无机氧化物优选为二氧化硅，着色粒子的形状系数为125以下，外部添加剂还含有偏钛酸与偶联剂的反应产物，其电阻为1010欧姆·厘米或更多。

7. 发明授权

US5908726A Electrophotographic toner and method for forming images 失效
标题翻译：电子照相调色剂和形成图像的方法
公开(公告)号：US5908726A
公开(公告)日：1999-06-01
申请号：US934855
申请日：1997-09-22
申请人： Satoshi Inoue , Chiaki Suzuki , Atsuhiko Eguchi
发明人： Satoshi Inoue , Chiaki Suzuki , Atsuhiko Eguchi
IPC分类号： G03G9/08 , G03G9/083 , G03G9/087 , G03G15/08
CPC分类号： G03G9/08755 , G03G9/0837 , G03G9/08704
摘要： An electrophotographic toner includes a binder resin including a linear polyester such as a polyester formed by condensation of an ethylene oxide adduct of a bisphenole A with a terephthalic acid, and a non-linear polyester such as a polyester formed by condensation of a mixture of an ethylene oxide adduct of a bisphenole A and a glycerin with a terephthalic acid; and, as a magnetic substance, a polyhedral magnetite of not more facets than a hexacosahedron and not less facets than a decahedron. The toner has an excellent fixing property at low temperature, an anti-offset property and a wide fixing latitude.
摘要翻译：电子照相调色剂包括粘合剂树脂，其包括线性聚酯，例如通过双酚A的环氧乙烷加成物与对苯二甲酸的缩合形成的聚酯，以及非线性聚酯，例如通过将双酚A和甘油与对苯二甲酸的环氧乙烷加成物; 并且作为磁性物质，不如六面体具有更多小面的多面磁体，并且不如十面体那样小。该调色剂在低温下具有优异的定影性能，抗偏移性和宽的固定宽度。

8. 发明授权

US6042979A Toner for developer of electrostatic latent image, method for producing toner for developer of electrostatic latent image, developer of electrostatic latent image and method for forming image 有权
标题翻译：静电潜像显影剂用调色剂，静电潜像显影剂用调色剂的制造方法，静电潜像显影剂及形成图像的方法
公开(公告)号：US6042979A
公开(公告)日：2000-03-28
申请号：US200453
申请日：1998-11-27
申请人： Kaori Ohishi , Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Tetsuya Taguchi , Sueko Sakai
发明人： Kaori Ohishi , Chiaki Suzuki , Masahiro Takagi , Satoshi Inoue , Tetsuya Taguchi , Sueko Sakai
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097 , G03G9/113 , G03G15/08 , G03G13/01
CPC分类号： G03G9/09708 , G03G9/0827
摘要： The present invention provides toner for an electrostatic latent image developer, said toner being excellent in fluidity, chargeability, developability, transferability, and freedom from fogging on a photoreceptor and contamination of the interior of a developing device. The toner for an electrostatic latent image developer comprises spherical toner particles characterized by a shape index ML.sup.2 /A of less than 125 and has a correlation coefficient between X.sup.2/3 and Y, obtained by linear regression with respect to a straight line which passes through the origin of coordinate axes, of more than 0.6 where X is the light emitting voltage due to the carbon derived from the binder resin of the toner particles and Y is the light emitting voltage due to the element derived from the external additive.
摘要翻译：本发明提供一种用于静电潜像显影剂的调色剂，所述调色剂具有优异的流动性，带电性，显影性，转印性，并且不受感光体起雾和显影装置内部的污染。用于静电潜像显影剂的调色剂包括球形调色剂颗粒，其特征在于小于125的形状指数ML2 / A，并且具有通过线性回归获得的X + E，fra 2/3 + EE和Y之间的相关系数通过坐标轴原点的直线大于0.6，其中X是由于来自调色剂颗粒的粘合剂树脂的碳而导致的发光电压，Y是由于源自调色剂颗粒的元素导致的发光电压外加剂。

9. 发明授权

US06268099B1 Toners, process for the preparation thereof, developers and method of forming images 失效
标题翻译：调色剂，其制备方法，显影剂和形成图像的方法
公开(公告)号：US06268099B1
公开(公告)日：2001-07-31
申请号：US08861738
申请日：1997-05-22
申请人： Atsuhiko Eguchi , Chiaki Suzuki , Takayoshi Aoki
发明人： Atsuhiko Eguchi , Chiaki Suzuki , Takayoshi Aoki
IPC分类号： G03G9097
CPC分类号： G03G9/08782 , G03G9/08706 , G03G9/08708 , G03G9/08711 , G03G9/1132
摘要： Disclosed herein are a toner comprising a binder resin, a coloring agent, and, as a lubricant, a polyethylene wax having a penetration of 5 to 12 dmm and a melt viscosity of less than or equal to 1.5 at 130° C., a process for the preparation thereof, a developer using the toner, and a method of forming images using the toner. According to the present invention, incomplete images in the transfer process can be prevented; excellent flowability is provided and the blocking phenomenon can be prevented; the transfer process can be carried out with less electric consumption. The offset resistance is also good, and the releasability is effectively exhibited at lower temperatures.
摘要翻译：本文公开了一种调色剂，其包含粘合剂树脂，着色剂和作为润滑剂的在130℃下具有5至12dmm的渗透性和小于或等于1.5的熔体粘度的聚乙烯蜡，为了制备它们，使用调色剂的显影剂，以及使用调色剂形成图像的方法。根据本发明，可以防止转印过程中的不完整图像; 提供优异的流动性并且可以防止阻塞现象; 转移过程可以用较少的电力消耗进行。耐偏移性也良好，并且在较低温度下有效显示脱模性。

10. 发明授权

US5928825A Toner for developing electrostatic latent images 失效
标题翻译：用于显影静电潜像的调色剂
公开(公告)号：US5928825A
公开(公告)日：1999-07-27
申请号：US668447
申请日：1996-06-21
申请人： Atsuhiko Eguchi , Hideki Sakai , Takeo Kigami , Chiaki Suzuki , Takayoshi Aoki
发明人： Atsuhiko Eguchi , Hideki Sakai , Takeo Kigami , Chiaki Suzuki , Takayoshi Aoki
IPC分类号： G03G9/087 , G03G9/097
CPC分类号： G03G9/08782
摘要： A toner for developing electrostatic latent images containing a binder resin, a colorant, and a lubricant, wherein the lubricant comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.-olefin having 3 to 10 carbon atoms in the presence of a metallocene catalyst and modifying the resulting homo- or copolymer by grafting thereto a styrene monomer and/or an unsaturated carboxylic acid monomer, the lubricant having a hexane extraction of not more than 65% by weight. The toner exhibits release properties at a lower temperature and thereby has satisfactory anti-offset properties without impairing powder fluidity and anti-blocking properties. It provides a toner image resistant against scratches by a peeling claw of a fixing roll part and against rub-of.
摘要翻译：用于显影含有粘合剂树脂，着色剂和润滑剂的静电潜像的调色剂，其中所述润滑剂包含改性聚乙烯蜡，其通过在乙烯存在下均聚乙烯或共聚乙烯和具有3至10个碳原子的α-烯烃而获得的茂金属催化剂，并通过与苯乙烯单体和/或不饱和羧酸单体接枝来改性所得到的均聚物或共聚物，所述润滑剂的己烷萃取不超过65重量％。调色剂在较低温度下具有脱模性能，因此具有令人满意的抗粘合性能，而不损害粉末流动性和防粘连性。它提供了抵抗由定影辊部分的剥离爪划伤并抵抗擦伤的调色剂图像。

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