Invention Grant
- Patent Title: Ink jet ink, ink cartridge, and ink jet recording method
- Patent Title (中): 喷墨墨水，墨盒和喷墨记录方法
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Application No.: US12967398Application Date: 2010-12-14
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Publication No.: US08636839B2Publication Date: 2014-01-28
- Inventor: Kousuke Yamasaki , Daiji Okamura , Mitsuru Ishii , Yuuki Nishino , Hirofumi Ichinose , Hiroshi Tomioka
- Applicant: Kousuke Yamasaki , Daiji Okamura , Mitsuru Ishii , Yuuki Nishino , Hirofumi Ichinose , Hiroshi Tomioka
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc. IP Division
- Priority: JP2009-285781 20091216
- Main IPC: C09D11/02
- IPC: C09D11/02 ; C09D1/02 ; C09K3/00 ; C08L75/00
Abstract:
An ink jet ink contains a pigment and a polyurethane polymer. The polyurethane polymer contains units derived from a polyisocyanate, a polyol, a compound having a carboxy group, and a compound having a sulfo group, and an acid value of the polyurethane polymer is 20 mgKOH/g or more and 100 mgKOH/g or less.
Public/Granted literature
- US20110143040A1 INK JET INK, INK CARTRIDGE, AND INK JET RECORDING METHOD Public/Granted day:2011-06-16
Information query
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