公开(公告)号：EP3061775A1

公开(公告)日：2016-08-31

申请号：EP16155631.1

申请日：2016-02-15

Applicant: Canon Kabushiki Kaisha

Inventor： MURAI, Yasuaki ,  MATSUSHITA, Osamu ,  TOYODA, Takayuki ,  HASEGAWA, Waka ,  MASHIDA, Ayano ,  MUKUMOTO, Kosuke ,  HIROSE, Masashi

IPC: C08F220/36 ,  C08F220/60 ,  C08F8/30 ,  C08F8/42 ,  G03G9/08 ,  C09D11/107

CPC classification number: C08F212/08 ,  C08F220/36 ,  C08F220/60 ,  C08K3/04 ,  C08K5/0041 ,  C08K5/3417 ,  C09D11/107 ,  G03G9/08711 ,  G03G9/0874 ,  G03G9/08784 ,  G03G9/08791 ,  G03G9/08797 ,  G03G9/0904 ,  G03G9/0918 ,  C08F8/30 ,  C08F20/06 ,  C08F20/56 ,  C08F220/20 ,  C08F2220/1891 ,  C08F220/06 ,  C08F2220/365

Abstract: A polymer including a unit having a phthalocyanine structure, the polymer having a high capability of dispersing pigments. A pigment composition, a pigment dispersion, and a toner all having a high tinting strength.

Abstract translation: 包括具有酞菁结构的单元的聚合物，该聚合物具有高分散颜料的能力。 颜料组合物，颜料分散体和全部具有高着色强度的调色剂。

公开(公告)号：EP2609158B1

公开(公告)日：2015-10-14

申请号：EP11820067.4

申请日：2011-08-23

Applicant: Canon Kabushiki Kaisha

Inventor： KAWAMURA, Masashi ,  HASEGAWA, Yuki ,  TANAKA, Masatake ,  TOYODA, Takayuki ,  INOUE, Kei ,  MURAI, Yasuaki ,  HIROSE, Masashi ,  MIYAZAKI, Takeshi

IPC: C09B31/043 ,  C09B67/22 ,  C09B69/10 ,  C09B29/33 ,  C09B33/153 ,  C09D17/00 ,  G03G9/087 ,  G03G9/09

CPC classification number: G03G9/091 ,  C09B29/337 ,  C09B31/043 ,  C09B33/153 ,  C09B67/0046 ,  C09B69/106 ,  C09D17/003 ,  G03G9/08708 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08791

公开(公告)号：EP2736978B1

公开(公告)日：2015-12-09

申请号：EP12818402.5

申请日：2012-07-24

Applicant: Canon Kabushiki Kaisha

Inventor： SHINTOU, Taichi ,  UJIFUSA, Takayuki ,  NAKANO, Masao ,  TANI, Yutaka ,  TAKAHASHI, Kaoru ,  SAITO, Satoshi ,  TOYODA, Takayuki ,  MIYAZAKI, Takeshi ,  HIROSE, Masashi

IPC: C09B67/46 ,  C09B5/14 ,  C09B48/00 ,  C09B67/20 ,  C09D11/00 ,  C09D17/00 ,  G02B5/20 ,  G02B5/22 ,  G03F7/004 ,  C09D11/037 ,  C09D11/322 ,  C09B67/22 ,  G03F7/00 ,  G03F7/105

CPC classification number: C09B67/006 ,  C09B67/0033 ,  C09D11/00 ,  C09D11/037 ,  C09D11/322 ,  C09D17/003 ,  G02B5/223 ,  G03F7/0007 ,  G03F7/105

公开(公告)号：EP2766433A1

公开(公告)日：2014-08-20

申请号：EP12840502.4

申请日：2012-10-10

Applicant: Canon Kabushiki Kaisha

Inventor： TANAKA, Masatake ,  HIROSE, Masashi ,  TOYODA, Takayuki ,  HASEGAWA, Waka ,  MURAI, Yasuaki ,  KAWAMURA, Masashi ,  HASEGAWA, Yuki

IPC: C09B69/10 ,  C09B67/20 ,  C09B67/46 ,  C09D17/00 ,  C09B33/153

CPC classification number: C09B69/106 ,  C09B33/153 ,  C09B67/0041 ,  C09B67/009 ,  C09B68/41 ,  C09D11/037 ,  C09D11/17 ,  C09D17/002 ,  C09D17/003 ,  G02B5/223 ,  G03F7/0007 ,  G03F7/105

Abstract: An object of the present invention is to provide a pigment dispersant in which dispersibility of an azo pigment in a water-insoluble solvent is improved, and to provide an azo pigment composition in which the azo pigment has high dispersibility in a water-insoluble solvent. The present invention provides a compound used as a pigment dispersant and having a structure in which a specific bisazo skeleton unit bonds to a specific polymer resin unit.

公开(公告)号：EP2737371A1

公开(公告)日：2014-06-04

申请号：EP12817977.7

申请日：2012-07-24

Applicant: Canon Kabushiki Kaisha

Inventor： TANI, Yutaka ,  NAKANO, Masao ,  UJIFUSA, Takayuki ,  SHINTOU, Taichi ,  TAKAHASHI, Kaoru ,  SAITO, Satoshi ,  TOYODA, Takayuki ,  MIYAZAKI, Takeshi ,  HIROSE, Masashi

IPC: G03G9/09 ,  G03G9/08 ,  G03G9/087

CPC classification number: G03G9/09 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0916 ,  G03G9/092

Abstract: An object of the present invention is to provide a magenta toner having high dispersibility of a colorant and good spectral characteristics. A magenta toner includes a magenta toner particle including at least a binder resin, a compound represented by the formula (1), and a colorant, wherein the colorant includes a pigment having a quinacridone skeleton: Formula (1) (wherein R
1 and R
2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.)

公开(公告)号：EP4102301A1

公开(公告)日：2022-12-14

申请号：EP22177464.9

申请日：2022-06-07

Applicant: CANON KABUSHIKI KAISHA

Inventor： KYUUSHIMA, Hirofumi ,  TOYODA, Takayuki ,  ISONO, Naoya ,  NAGAOKA, Tomoya ,  SUZUKI, Masao

IPC: G03G9/09 ,  G03G9/097

Abstract: A toner comprising a toner particle comprising a binder resin, wherein the toner particle further comprises a compound represented by a following formula (1) and a pigment having a quinacridone structure;

where, in the formula (1), R represents a linear or branched alkyl group having 4 to 22 carbon atoms, and n is an integer of 1 to 4.

公开(公告)号：EP4083711A1

公开(公告)日：2022-11-02

申请号：EP22170178.2

申请日：2022-04-27

Applicant: Canon Kabushiki Kaisha

Inventor： ADACHI, Keisuke ,  TOYODA, Takayuki ,  OHMORI, Atsuhiko ,  SUGITA, Tomoko

IPC: G03G9/097 ,  G03G9/087

Abstract: A toner is provided that comprises a toner particle comprising a binder resin and a wax, and an inorganic fine particle on a surface of the toner particle, wherein the binder resin comprises a resin A; the toner satisfies 2.50≤SPa-SPw≤4.50, where SPa (cal/cm 3 ) 0.5 is the SP value of the resin A, and SPw (cal/cm 3 ) 0.5 is the SP value of the wax; the inorganic fine particle comprises a silica fine particle whose surface has been treated with a silicone oil; in a 29 Si solid-state NMR measurement of the silica fine particle, 30≤B≤60 and 4.0≤A/B≤6.0 are satisfied, taking A as an integration value of a D unit obtained by taking an integration value of a Q unit in a CP/MAS measurement as 100, and taking B as an integration value of a D unit obtained by taking an integration value of a Q unit in a DD/MAS measurement as100.

公开(公告)号：EP3061775B1

公开(公告)日：2018-12-12

申请号：EP16155631.1

申请日：2016-02-15

Applicant: Canon Kabushiki Kaisha

Inventor： MURAI, Yasuaki ,  MATSUSHITA, Osamu ,  TOYODA, Takayuki ,  HASEGAWA, Waka ,  MASHIDA, Ayano ,  MUKUMOTO, Kosuke ,  HIROSE, Masashi

IPC: C08F220/36 ,  C08F220/60 ,  C08F8/30 ,  C08F8/42 ,  G03G9/08 ,  C09D11/107

CPC classification number: C08F212/08 ,  C08F220/36 ,  C08F220/60 ,  C08K3/04 ,  C08K5/0041 ,  C08K5/3417 ,  C09D11/107 ,  G03G9/08711 ,  G03G9/0874 ,  G03G9/08784 ,  G03G9/08791 ,  G03G9/08797 ,  G03G9/0904 ,  G03G9/0918 ,  C08F8/30 ,  C08F20/06 ,  C08F20/56 ,  C08F220/20 ,  C08F2220/1891 ,  C08F220/06 ,  C08F2220/365

Abstract: A polymer including a unit having a phthalocyanine structure, the polymer having a high capability of dispersing pigments. A pigment composition, a pigment dispersion, and a toner all having a high tinting strength.

公开(公告)号：EP2737371B1

公开(公告)日：2015-12-30

申请号：EP12817977.7

申请日：2012-07-24

Applicant: Canon Kabushiki Kaisha

Inventor： TANI, Yutaka ,  NAKANO, Masao ,  UJIFUSA, Takayuki ,  SHINTOU, Taichi ,  TAKAHASHI, Kaoru ,  SAITO, Satoshi ,  TOYODA, Takayuki ,  MIYAZAKI, Takeshi ,  HIROSE, Masashi

IPC: G03G9/09 ,  G03G9/08 ,  G03G9/087

CPC classification number: G03G9/09 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0916 ,  G03G9/092

公开(公告)号：EP2609073A1

公开(公告)日：2013-07-03

申请号：EP11819841.5

申请日：2011-08-11

Applicant: Canon Kabushiki Kaisha

Inventor： TANAKA, Masatake ,  KAWAMURA, Masashi ,  HASEGAWA, Yuki ,  TOYODA, Takayuki ,  MURAI, Yasuaki ,  HIROSE, Masashi ,  MIYAZAKI, Takeshi

IPC: C07C251/76 ,  C07C251/80 ,  C09B33/153 ,  C09B67/20 ,  C09B67/46 ,  G03G9/08 ,  G03G9/09

CPC classification number: G03G9/091 ,  C07C243/22 ,  C07C251/78 ,  C09B33/153 ,  C09B67/0046 ,  G03G9/0912

Abstract: A novel compound that can improve the dispersibility of an azo pigment in a non-water-soluble solvent is provided, which is represented by the following formula (1).