Invention Grant
- Patent Title: Water-based ink for ink-jet recording, ink cartridge and method for producing water-based ink for ink-jet recording
- Patent Title (中): 喷墨记录用水性油墨，墨盒和喷墨记录用水性油墨的制造方法
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Application No.: US15089907Application Date: 2016-04-04
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Publication No.: US09580617B2Publication Date: 2017-02-28
- Inventor: Hiroyuki Tanaka , Michiko Aoyama
- Applicant: Brother Kogyo Kabushiki Kaisha
- Applicant Address: JP Nagoya-shi, Aichi-ken
- Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee Address: JP Nagoya-shi, Aichi-ken
- Agency: Banner & Witcoff, Ltd.
- Priority: JP2014-070558 20140328
- Main IPC: G01D11/00
- IPC: G01D11/00 ; C09D11/00 ; B41J2/17 ; C09D11/38 ; C09D11/023
Abstract:
A water-based ink for ink-jet recording includes: a water-soluble colorant; water; a water-insoluble liquid; a nonionic surfactant; and an ionic surfactant having a polarity same as that of the water-soluble colorant. The water-insoluble liquid is dispersed stably in the water by the nonionic surfactant and the ionic surfactant having the polarity same as that of the water-soluble colorant.
Public/Granted literature
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