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1. 发明公开

US20240053691A1 TONER AND METHOD FOR PRODUCING TONER 审中-公开
公开(公告)号：US20240053691A1
公开(公告)日：2024-02-15
申请号：US18360391
申请日：2023-07-27
申请人： CANON KABUSHIKI KAISHA
发明人： KENTA KAMIKURA , KOSUKE FUKUDOME , SHOHEI TSUDA , SATOSHI ARIMURA , TORU ISHII , YUTA KOMIYA
IPC分类号： G03G9/087 , G03G9/083 , G03G9/097 , C08F212/08 , C08G63/183
CPC分类号： G03G9/08711 , G03G9/0832 , G03G9/09733 , C08F212/08 , G03G9/08755 , C08G63/183
摘要： A toner comprising a toner particle comprising a resin A and a resin B; wherein: the resin A is a vinyl resin having a sulfonic acid-type group, the resin B is a polyester resin; and when in analysis of the toner particle using time-of-flight secondary ion mass spectrometry, DA (nm) is defined as a depth at which an abundance of the resin A in a depth of 10 nm from a toner particle surface is a maximum, CAS (%) is defined as an abundance of the resin A at the depth DA, CBS (%) is defined as an abundance of the resin B at the depth DA, CA75 (%) is defined as an abundance of the resin A at a depth of 75 nm and CB75 (%) is defined as an abundance of the resin B at a depth of 75 nm, CAS, CA75, CBS and CB75 satisfy specific relationships.

2. 发明授权

US11809130B2 Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method 有权
公开(公告)号：US11809130B2
公开(公告)日：2023-11-07
申请号：US17146922
申请日：2021-01-12
申请人： FUJIFILM Business Innovation Corp.
发明人： Shintaro Anno , Atsushi Sugawara , Yoshimasa Fujihara , Daisuke Noguchi , Satoshi Miura
IPC分类号： G03G9/08 , G03G9/087 , G03G9/083 , G03G15/08 , G03G9/097
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0817 , G03G9/0819 , G03G9/0832 , G03G9/08782 , G03G9/09708 , G03G15/0865
摘要： A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin; the Mg element in an amount such that in an x-ray fluorescence analysis of the toner, the net intensity of the peak for the Mg element is 0.10 kcps or more and 1.20 kcps or less; and at least one external additive including particles of at least one compound represented by formula (1),

MTiO3 (1)

where M represents at least one selected from the group consisting of Ca, Sr, and Ba.

3. 发明授权

US11796931B2 Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method 有权
公开(公告)号：US11796931B2
公开(公告)日：2023-10-24
申请号：US17060289
申请日：2020-10-01
申请人： RICOH COMPANY, LTD.
发明人： Akio Takei , Takahiro Honda , Tsukiko Takahashi , Tsuneyasu Nagatomo
IPC分类号： G03G9/083 , G03G9/087 , G03G9/08 , G03G9/09 , G03G15/16
CPC分类号： G03G9/08773 , G03G9/0804 , G03G9/0827 , G03G9/0832 , G03G9/0833 , G03G9/08711 , G03G9/09 , G03G15/163
摘要： A toner is provided. The toner comprises colored particles and external additives present on surfaces of the colored particles. The colored particles each comprise a core and a shell layer. The core contains a crystalline resin, a non-crystalline resin, and a colorant. The shell layer contains a resin and has a thickness of from 30 to 130 nm. The external additives comprise a metal oxide and a silicon compound. An electronegativity X(A) of the metal oxide and an electronegativity X(Si) of the silicon compound satisfy a relation 0.5≤X(A)/X(Si)≤0.8. A proportion of an amount of the metal oxide directly adhered to the surfaces of the colored particles to a total amount of the metal oxide present on the colored particles is from 60% to 90% by mass.

4. 发明授权

US09547246B2 Aqueous dispersions for use as toners 有权
标题翻译：用作调色剂的水性分散体
公开(公告)号：US09547246B2
公开(公告)日：2017-01-17
申请号：US12635565
申请日：2010-02-25
申请人： John Klier , Richard D. Varjian , Alastair S. Hill , Timothy J. Young , Richard A. Lundgard , Michael J. Johnson , Qichun Wan , Matthew J. Kalinowski , Mechelle A. Churchfield , Gary M. Strandburg , David J. Magley
发明人： John Klier , Richard D. Varjian , Alastair S. Hill , Timothy J. Young , Richard A. Lundgard , Michael J. Johnson , Qichun Wan , Matthew J. Kalinowski , Mechelle A. Churchfield , Gary M. Strandburg , David J. Magley
IPC分类号： G03G9/12 , G03G9/09 , G03G9/08 , G03G9/083 , C08K5/00 , C08K11/00 , C08L33/06 , C08L67/02
CPC分类号： G03G9/0926 , C08K5/005 , C08K11/00 , C08L33/06 , C08L67/02 , G03G9/0806 , G03G9/081 , G03G9/0815 , G03G9/0831 , G03G9/0832 , G03G9/0833 , G03G9/09
摘要： A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.
摘要翻译：一种包含水分散体的化合物，其中所述分散体包含热塑性树脂和至少一种稳定剂，以及选自着色剂和磁性颜料中的至少一种，其中所述分散体的平均体积直径粒径为约0.05至约10微米。

5. 发明授权

US09063442B2 Developing device with developer replenishment 有权
标题翻译：开发人员补充开发设备
公开(公告)号：US09063442B2
公开(公告)日：2015-06-23
申请号：US14155614
申请日：2014-01-15
申请人： Konica Minolta, Inc.
发明人： Kosuke Nakamura , Hiroyuki Kozuru , Yoshiyasu Matsumoto
IPC分类号： G03G15/08 , G03G9/083
CPC分类号： G03G9/0832 , G03G9/0833 , G03G9/1075 , G03G9/1135 , G03G15/0879 , G03G2215/0607
摘要： A developing device includes a developer container, a developing unit, a developer outlet and a replenishment developer inlet. The developer container contains a developer composed of a toner and a first carrier. The developing unit develops an electrostatic latent image on an image carrier using the developer. The developer outlet discharges the developer. The replenishment developer inlet supplies a replenishment developer to the developer container. The replenishment developer includes a second carrier. A ratio of a poured bulk density of the second carrier to a poured bulk density of the first carrier ranges from 0.60 to 0.95.
摘要翻译：显影装置包括显影剂容器，显影单元，显影剂出口和补充显影剂入口。显影剂容器包含由调色剂和第一载体组成的显影剂。显影单元使用显影剂在图像载体上显影静电潜像。显影剂出口排出显影剂。补货开发商入口将补充开发商提供给开发者容器。补货开发商包括第二承运人。第二载体的倾倒堆积密度与第一载体的倾倒体积密度的比值为0.60至0.95。

6. 发明申请

US20140342277A1 MAGNETIC TONER 有权
标题翻译：磁性墨粉
公开(公告)号：US20140342277A1
公开(公告)日：2014-11-20
申请号：US14364633
申请日：2013-01-31
申请人： CANON KABUSHIKI KAISHA
发明人： Atsuhiko Ohmori , Michihisa Magome , Yusuke Hasegawa , Keisuke Tanaka
IPC分类号： G03G9/083
CPC分类号： G03G9/0832 , G03G9/0821 , G03G9/0825 , G03G9/0827 , G03G9/0833 , G03G9/0836 , G03G9/0839 , G03G9/09708 , G03G9/09725
摘要： The magnetic toner contains: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles comprise strontium titanate fine particles and metal oxide fine particles, and the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles. In addition, the magnetic toner has a characteristic state of coverage, by the inorganic fine particles, of the magnetic toner particle surface, and the ratio [D4/D1] of the weight-average particle diameter (D4) to the number-average particle diameter (D1) is in a prescribed range.
摘要翻译：磁性调色剂含有：含有粘结剂树脂和磁性体的磁性调色剂颗粒; 和存在于磁性调色剂颗粒表面上的无机细颗粒，其中存在于磁性调色剂颗粒表面上的无机细颗粒包括钛酸锶细颗粒和金属氧化物微粒，并且含有二氧化硅微粒的金属氧化物微粒，并且任选地含有二氧化钛微粒和氧化铝微粒，相对于二氧化硅微粒，二氧化钛微粒和氧化铝微粒的总质量，二氧化硅微粒的含量为85质量％以上。此外，磁性调色剂具有磁性调色剂颗粒表面的无机细颗粒的覆盖特性状态和重均粒径（D4）与数均粒子的比例[D4 / D1] 直径（D1）在规定范围内。

7. 发明授权

US08765347B2 Two-component developing agent and developing method 有权
标题翻译：双组分显影剂和显影方法
公开(公告)号：US08765347B2
公开(公告)日：2014-07-01
申请号：US13728074
申请日：2012-12-27
申请人： Kosuke Nakamura , Okushi Okuyama
发明人： Kosuke Nakamura , Okushi Okuyama
IPC分类号： G03G9/113
CPC分类号： G03G9/1139 , G03G9/0832 , G03G9/107 , G03G9/1131 , G03G9/1133
摘要： A two-component developing agent includes toner and a carrier including carrier particles. The toner includes a binding resin. The carrier particle includes a porous ferrite core particle and a resin covering layer. The resin covering layer covers the porous ferrite core particle. The resin covering layer includes ferrite particles. An average particle diameter of the ferrite particles ranges from 0.1 to 1.0 μm.
摘要翻译：双成分显影剂包括调色剂和包含载体颗粒的载体。调色剂包括粘合树脂。载体颗粒包括多孔铁氧体磁心颗粒和树脂覆盖层。树脂覆盖层覆盖多孔铁氧体磁芯颗粒。树脂覆盖层包括铁氧体颗粒。铁素体粒子的平均粒径为0.1〜1.0μm。

8. 发明授权

US08673533B2 Aqueous dispersions for use as toners 有权
标题翻译：用作调色剂的水性分散体
公开(公告)号：US08673533B2
公开(公告)日：2014-03-18
申请号：US13686221
申请日：2012-11-27
申请人： Dow Global Technologies LLC
发明人： John Klier , Richard Dicran Varjian , Alastair Stewart Hill
IPC分类号： G03G5/00
CPC分类号： G03G9/08 , C08K5/005 , C08K11/00 , C08L25/14 , C08L33/06 , C08L67/02 , G03G9/0806 , G03G9/081 , G03G9/0815 , G03G9/0831 , G03G9/0832 , G03G9/0833 , G03G9/08708 , G03G9/08711 , G03G9/08726 , G03G9/08733 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09 , G03G9/0926 , G03G9/09708 , G03G9/09716 , G03G9/09725 , C08L2666/02
摘要： A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.
摘要翻译：一种包含水分散体的化合物，其中所述分散体包含热塑性树脂和至少一种稳定剂，以及选自着色剂和磁性颜料中的至少一种，其中所述分散体的平均体积直径粒径为约0.05至约10微米。

9. 发明授权

US07452648B2 Magnetic mono-component toner for developing electrostatic latent image and image forming method 有权
标题翻译：用于显影静电潜像的磁性单组分调色剂和成像方法
公开(公告)号：US07452648B2
公开(公告)日：2008-11-18
申请号：US11234565
申请日：2005-09-23
申请人： Hideaki Kawata
发明人： Hideaki Kawata
IPC分类号： G03G9/00
CPC分类号： G03G9/0821 , G03G9/0819 , G03G9/0827 , G03G9/083 , G03G9/0831 , G03G9/0832 , G03G9/0833
摘要： The present invention provides a magnetic mono-component toner which can suppress a selection development on a latent image carrier and can maintain favorable image properties for a long period by using a toner having the coarse powder distribution (S) within a given range in a jumping developing method and an image forming method which uses the toner. In the toner used in the jumping developing method which develops an electrostatic latent image formed on a latent image carrier using a developer carrier, the toner includes toner particles which contain at least a binding resin and a magnetic powder, and the coarse powder distribution (S) of the toner particles satisfies a following formula (1). Coarse powder distribution (S)=(50−A)/2≧17(volume %/μm) (1) (wherein, A is a volume % of the coarse powder having particle sizes larger than D50 based on volume by 2 μm or more)
摘要翻译：本发明提供一种磁性单组分调色剂，其可以抑制潜像载体上的选择显影，并且可以通过使用具有在特定范围内的粗粉末分布（S）的跳动的长时间保持良好的图像特性显影方法和使用调色剂的图像形成方法。在使用显影剂载体显影形成在潜像载体上的静电潜像的跳跃显影方法中使用的调色剂中，调色剂包括至少含有粘合树脂和磁性粉末的调色剂颗粒和粗粉末分布（S ）的调色剂颗粒满足下式（1）。粗粉末分布（S）=（50-A）/ 2> = 17（体积％/母体）（1）<α在线公式描述=“在线公式”end =“lead” 在线公式描述=“在线公式”end =“tail”？>（其中，A是基于体积的粒径大于D <50的粗粉末的体积％ 2小时以上）

10. 发明授权

US07163774B2 Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the toner 有权
标题翻译：用于形成图像的调色剂，用于静电潜像显影的方法，用于定影调色剂图像的方法，图像形成方法和使用该调色剂的处理盒
公开(公告)号：US07163774B2
公开(公告)日：2007-01-16
申请号：US10772435
申请日：2004-02-06
申请人： Keiko Shiraishi , Toyoshi Sawada , Masashi Nagayama , Shinichi Kuramoto , Mitsuo Aoki , Kumi Hasegawa , Bing Shu
发明人： Keiko Shiraishi , Toyoshi Sawada , Masashi Nagayama , Shinichi Kuramoto , Mitsuo Aoki , Kumi Hasegawa , Bing Shu
IPC分类号： G03G9/09
CPC分类号： G03G9/0835 , G03G9/0831 , G03G9/0832 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/0902
摘要： A toner including a binder resin including a crystalline polyester and a non-crystalline resin; a release agent; and a black metal-containing material having a saturation magnetization not greater than 50 emu/g. A toner container containing the toner. A fixing method including passing a support with the toner image thereon through a nip between two cylindrical rollers while applying a pressure not greater than 1×105 Pa to the two cylindrical rollers, wherein one of the cylindrical rollers which contacts the toner image has a thickness not greater than 1.0 mm. An image forming method including developing an electrostatic image with the toner to form a toner image; transferring the toner image onto a receiving material; and fixing the toner image by the fixing method mentioned above. A process cartridge including an image bearing member and a developing device using the toner.
摘要翻译：包含结晶聚酯和非结晶性树脂的粘合剂树脂的调色剂; 脱模剂; 以及饱和磁化强度不大于50emu / g的含黑金属的材料。容纳调色剂的调色剂容器。一种定影方法，包括使支撑体与其上的调色剂图像通过两个圆柱形辊之间的辊隙，同时向两个圆柱形辊施加不大于1×10 5 Pa的压力，其中一个圆柱形辊接触调色剂图像的厚度不大于1.0mm。一种图像形成方法，包括用调色剂显影静电图像以形成调色剂图像; 将调色剂图像转印到接收材料上; 并通过上述固定方法固定调色剂图像。一种处理盒，包括图像承载部件和使用该调色剂的显影装置。

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