Invention Grant
- Patent Title: Ink, ink cartridge, and ink jet recording method
- Patent Title (中): 墨水,墨盒和喷墨记录方法
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Application No.: US13214980Application Date: 2011-08-22
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Publication No.: US08636350B2Publication Date: 2014-01-28
- Inventor: Hideki Takayama , Eiichi Nakata , Yoshio Nakajima , Yuhei Shimizu
- Applicant: Hideki Takayama , Eiichi Nakata , Yoshio Nakajima , Yuhei Shimizu
- 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: JP2010-194045 20100831
- Main IPC: C09D11/00
- IPC: C09D11/00

Abstract:
An ink includes a plurality of pigments, a plurality of water-soluble polymers, a surfactant, and a water-soluble organic solvent. The surfactant includes a polyoxyethylene alkyl ether having an HLB value of 13.0 or more as a value determined by a Griffin method, the plurality of pigments include C.I. Pigment Yellow 74 and C.I. Pigment Yellow 128, the plurality of water-soluble polymers include an acrylic polymer and a urethane polymer, and the water-soluble organic solvent includes a compound represented by the following Formula (1): HO—(CH2CH2O)n—H, wherein n is an integer of 1 to 4.
Public/Granted literature
- US20120050383A1 INK, INK CARTRIDGE, AND INK JET RECORDING METHOD Public/Granted day:2012-03-01
Information query
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