Invention Grant
- Patent Title: Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner
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Application No.: US15053985Application Date: 2016-02-25
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Publication No.: US09777087B2Publication Date: 2017-10-03
- Inventor: Yasuaki Murai , Osamu Matsushita , Takayuki Toyoda , Waka Hasegawa , Ayano Mashida , Kosuke Mukumoto , Masashi Hirose
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2015-039423 20150227
- Main IPC: G03G9/09
- IPC: G03G9/09 ; C08F212/08 ; C08F220/36 ; C08F220/60 ; C09D11/107 ; C08K3/00 ; C08K3/04 ; C08K5/00 ; C08K5/3417 ; G03G9/087
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.
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