公开(公告)号：US20140305340A1

公开(公告)日：2014-10-16

申请号：US13860476

申请日：2013-04-10

Applicant: XEROX CORPORATION

Inventor： Yu Liu ,  Ke Zhou ,  Frank Ping-Hay Lee ,  Yulin Wang

IPC: C08K3/04 ,  B01F13/08 ,  C08K5/56

CPC classification number: C08K5/56 ,  B02C17/005 ,  B02C17/20 ,  C01P2004/62 ,  C01P2004/84 ,  C01P2006/40 ,  C01P2006/42 ,  C09C1/36 ,  C09C1/3623 ,  C09C1/48 ,  C09C3/063 ,  G03G9/0804 ,  G03G9/0812 ,  G03G9/0835 ,  G03G9/0837 ,  G03G9/0838 ,  G03G9/0839 ,  G03G9/0902 ,  G03G9/0904 ,  G03G9/0906

Abstract: A method for preparing a pigment dispersion includes a) adding a pigment, a surfactant, and a solvent into a vessel, b) adding magnetic particles into the vessel; and c) applying a varying magnetic field to move the magnetic particles to mill down pigment particle size. A system for preparing a pigment dispersion includes a) a vessel for holding a solution comprising pigment particles, a surfactant and a solvent, b) magnetic particles added to the solution, c) a source for applying a varying magnetic field to move the magnetic particles to mill down pigment particle size, and d) a collector for collecting the magnetic particles for re-using at a later time.

Abstract translation: 制备颜料分散体的方法包括：a）将颜料，表面活性剂和溶剂加入到容器中，b）向容器中加入磁性颗粒; 和c）施加变化的磁场以移动磁性颗粒以研磨颜料颗粒尺寸。 用于制备颜料分散体的系统包括：a）用于保持包含颜料颗粒，表面活性剂和溶剂的溶液的容器，b）添加到溶液中的磁性颗粒，c）用于施加变化磁场以移动磁性颗粒的源 粉碎颜料粒度，d）用于收集磁性颗粒以在稍后再次使用的收集器。

公开(公告)号：US20140242510A1

公开(公告)日：2014-08-28

申请号：US14346713

申请日：2012-07-25

Applicant: Tadayuki Sawai ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Keigo Mutamura ,  Yui Kawano ,  Shintaro Fukuoka

Inventor： Tadayuki Sawai ,  Yoritaka Tsubaki ,  Keiichi Kikawa ,  Keigo Mutamura ,  Yui Kawano ,  Shintaro Fukuoka

IPC: G03G9/113 ,  G03G13/08

CPC classification number: G03G9/1133 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906 ,  G03G9/09708 ,  G03G13/08 ,  G03G15/0806 ,  G03G2215/0607

Abstract: A two-component color developer containing a toner and a resin-coated carrier, the toner containing at least a polyester resin as a binding resin, an organic pigment as a colorant and inorganic fine particles as an external additive, wherein the inorganic fine particles have a negative polarity, the toner has a volume resistivity of 40×109 to 220×109 Ωcm and a negative polarity, and the carrier has a coat durability of 90% or greater.

Abstract translation: 含有调色剂和树脂涂布载体的双组分彩色显影剂，所述调色剂至少含有作为粘合树脂的聚酯树脂，作为着色剂的有机颜料和作为外部添加剂的无机细颗粒，其中无机细颗粒具有 负极性，调色剂的体积电阻率为40×109〜220×109＆OHgr·cm，负极性，载体的涂层耐久性为90％以上。

公开(公告)号：US20140162183A1

公开(公告)日：2014-06-12

申请号：US14183446

申请日：2014-02-18

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yuko Katsumoto ,  Akiko Kitao ,  Taichi Shintou ,  Takeshi Miyazaki

IPC: G03G9/09

CPC classification number: G03G9/0924 ,  C09B23/04 ,  C09B57/00 ,  G03G9/0804 ,  G03G9/0808 ,  G03G9/09 ,  G03G9/0906

Abstract: The present invention provides a toner excellent in light resistance. The toner includes toner base particles, each of which contains a binder resin, a wax and a coloring agent, and a coloring matter compound represented by the general formula (1) is contained as the coloring agent. wherein R1 and R2 each independently represent an alkyl group or an acyl group, or R1 and R2 may be bonded to each other so as to form a cyclic organic functional group containing, as a hetero atom, a nitrogen atom to which R1 and R2 are bonded; R3 and R4 each independently represent an alkyl group; R5 and R6 each independently represent an alkyl group or an alkoxy group; R7 represents a hydrogen atom, an alkyl group or an alkoxy group; and R8 represents an alkyl group.

Abstract translation: 本发明提供耐光性优异的调色剂。 调色剂包括调色剂基础颗粒，每个包含粘合剂树脂，蜡和着色剂，和由通式（1）表示的色素化合物作为着色剂。 其中R 1和R 2各自独立地表示烷基或酰基，或者R 1和R 2可以彼此键合以形成含有作为杂原子的R 1和R 2为氮原子的环状有机官能团 保税 R3和R4各自独立地表示烷基; R5和R6各自独立地表示烷基或烷氧基; R7表示氢原子，烷基或烷氧基; 并且R 8表示烷基。

公开(公告)号：US20140134529A1

公开(公告)日：2014-05-15

申请号：US14073956

申请日：2013-11-07

Applicant: Konica Minolta, Inc.

Inventor： Chiaki YAMADA ,  Masahiro Anno

IPC: G03G9/09

CPC classification number: G03G9/0904 ,  G03G9/0906 ,  G03G9/091 ,  G03G9/0912 ,  G03G9/0914 ,  G03G9/0922 ,  G03G9/0926

Abstract: Toner for developing an electrostatic latent image contains toner particles, the toner particles contain a resin and a pigment, the pigment includes a first pigment and a second pigment, the first pigment is carbon black, and the second pigment is C. I. Pigment Brown 23 and/or C. I. Pigment Brown 25.

Abstract translation: 用于显影静电潜像的调色剂含有调色剂颗粒，调色剂颗粒含有树脂和颜料，颜料包括第一颜料和第二颜料，第一颜料是炭黑，第二颜料是CI颜料棕23和/ 或CI颜料棕25。

公开(公告)号：US20130295350A1

公开(公告)日：2013-11-07

申请号：US13462155

申请日：2012-05-02

Applicant: Dinesh Tyagi ,  Louise Granica

Inventor： Dinesh Tyagi ,  Louise Granica

IPC: G03G13/01 ,  B32B3/10

CPC classification number: G03G15/6585 ,  G03G9/0906 ,  G03G9/0908 ,  G03G9/0912 ,  G03G9/0914 ,  G03G9/0926 ,  Y10T428/24901

Abstract: Fluorescing highlights can be provided in selected portions of non-color image areas of a printed toner image using fluorescing dry toner particles, such as fluorescing magenta and fluorescing yellow dry toner particles. Before fixing, each fluorescing dry toner particle comprises a polymeric binder phase and a fluorescing colorant that emits at one or more λmax wavelengths of at least 420 nm and up to and including 690 nm and that is dispersed within the polymeric binder phase.

公开(公告)号：US08557495B2

公开(公告)日：2013-10-15

申请号：US13552773

申请日：2012-07-19

Applicant: Takahito Kabai ,  Tsuyoshi Itou

Inventor： Takahito Kabai ,  Tsuyoshi Itou

IPC: G03G9/08

CPC classification number: G03G9/0926 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08711 ,  G03G9/0906 ,  G03G9/0928 ,  G03G9/09378 ,  G03G9/09392

Abstract: A method for producing a developing agent including preparing a dispersion liquid containing first fine particles containing a binder resin and second fine particles containing a color developable compound, a color coupler, and a color eraser, and aggregating the first and second fine particles in the dispersion liquid to form aggregated particles.

公开(公告)号：US08535864B2

公开(公告)日：2013-09-17

申请号：US13352786

申请日：2012-01-18

Applicant: Eisuke Iwazaki ,  Yuki Takamiya ,  Satoshi Inoue

Inventor： Eisuke Iwazaki ,  Yuki Takamiya ,  Satoshi Inoue

IPC: G03G9/08

CPC classification number: G03G9/0906 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/092

Abstract: A magenta toner including toner particles containing a colorant and a binder resin is provided. The colorant contains C.I. Pigment Red 122 and C.I. Pigment Yellow 180 and a mass ratio of the C.I. Pigment Red 122 and the C.I. Pigment Yellow 180 is in the range of 99:1 to 10000:1. The binder resin contains a polyester resin and a polyester resin having a repeating unit obtained from a Bisphenol A alkylene oxide adduct expressed by the following chemical formula is used as the polyester resin: wherein m and n independently represent an integer of 2 to 4, and x and y independently represent a positive number.

Abstract translation: 提供包括含有着色剂和粘合剂树脂的调色剂颗粒的品红色调色剂。 着色剂含有C.I. 颜料红122和C.I. 颜料黄180，质量比C.I. 颜料红122和C.I. 颜料黄180在99:1至10000:1的范围内。 粘合剂树脂含有聚酯树脂，具有由以下化学式表示的双酚A环氧烷加合物得到的重复单元的聚酯树脂用作聚酯树脂：其中m和n独立地表示2至4的整数，并且 x和y独立地表示正数。

公开(公告)号：US20130224645A1

公开(公告)日：2013-08-29

申请号：US13777764

申请日：2013-02-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takayuki Toyoda ,  Yasuaki Murai ,  Waka Hasegawa ,  Yuki Hasegawa ,  Masashi Kawamura ,  Taiki Watanabe ,  Masanori Seki ,  Chiaki Nishiura ,  Ayano Mashida ,  Masashi Hirose

IPC: G03G9/08

CPC classification number: G03G9/08 ,  C09B67/0055 ,  C09B68/41 ,  C09B69/106 ,  G03G9/08768 ,  G03G9/0906 ,  G03G9/091 ,  G03G9/092 ,  G03G9/0924

Abstract: A toner comprising toner particles, each of which contains a binder resin, a compound in which a polymer portion is bound to an azo skeleton structure, and a magenta pigment.

公开(公告)号：US08518622B2

公开(公告)日：2013-08-27

申请号：US13159566

申请日：2011-06-14

Applicant: Satoshi Ogawa ,  Daisuke Inoue ,  Daisuke Ito ,  Osamu Uchinokura ,  Junichi Awamura ,  Teruki Kusahara ,  Satoshi Kojima ,  Mamoru Hozumi ,  Shoko Sato

Inventor： Satoshi Ogawa ,  Daisuke Inoue ,  Daisuke Ito ,  Osamu Uchinokura ,  Junichi Awamura ,  Teruki Kusahara ,  Satoshi Kojima ,  Mamoru Hozumi ,  Shoko Sato

IPC: G03G9/09

CPC classification number: G03G9/0906 ,  G03G9/0804 ,  G03G9/08755 ,  G03G2215/0607 ,  G03G2215/0614

Abstract: A toner containing a binder resin, a colorant, and a releasing agent, wherein the colorant contains a mixed crystal of a C. I. PIGMENT YELLOW 185 and a C. I. PIGMENT YELLOW 139, and wherein a mass ratio of the C. I. PIGMENT YELLOW 185 to the C. I. PIGMENT YELLOW 139 (mass of the C. I. PIGMENT YELLOW 185/mass of the C. I. PIGMENT YELLOW 139) in the toner is 95/5 to 50/50.

Abstract translation: 含有粘合剂树脂，着色剂和脱模剂的调色剂，其中着色剂包含CI颜料黄185和CI颜料黄139的混合晶体，并且其中CI颜料黄色185与CI颜料的质量比 调色剂中的黄色139（CI颜料黄的质量185 / CI颜料黄的139的质量）为95/5〜50/50。

公开(公告)号：US08486598B2

公开(公告)日：2013-07-16

申请号：US12950158

申请日：2010-11-19

Applicant: Takayasu Aoki ,  Yasuhito Noda ,  Koji Imamiya ,  Tsuyoshi Itou ,  Noboru Furuyama

Inventor： Takayasu Aoki ,  Yasuhito Noda ,  Koji Imamiya ,  Tsuyoshi Itou ,  Noboru Furuyama

IPC: G03G9/08

CPC classification number: G03G9/0926 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797 ,  G03G9/0906 ,  G03G9/0924 ,  G03G9/0928

Abstract: An electrophotographic toner contains an electron donating color former compound, an electron accepting color developing agent, and a polyester binder resin having a weight average molecular weight Mw of 6000 or more and 25000 or less, and the toner is decolorized by heating.

Abstract translation: 电子照相调色剂含有给电子成色剂化合物，电子接受显色剂和重均分子量Mw为6000以上且25000以下的聚酯粘合剂树脂，调色剂通过加热脱色。