Invention Grant
- Patent Title: Water-based ink set for ink-jet recording and ink-jet recording apparatus
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Application No.: US15276852Application Date: 2016-09-27
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Publication No.: US09878541B2Publication Date: 2018-01-30
- Inventor: Mitsunori Maeda , Yuki Okumura , Hiroyuki Tanaka
- 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: JP2015-254140 20151225
- Main IPC: C09D11/40
- IPC: C09D11/40 ; B41J2/165 ; B41J2/21 ; C09D11/033 ; C09D11/107 ; C09D11/322 ; C09D11/324

Abstract:
There is provided a water-based ink set for ink-jet recording, including: a water-based black ink containing a self-dispersible pigment, a water-soluble organic solvent of which vapor pressure is less than 1 Pa, and water; water-based color inks of two or more colors each containing a color pigment, a resin dispersant, a water-soluble organic solvent of which vapor pressure is less than 1 Pa, and water, wherein an average value of blending amounts of the water-soluble organic solvents in all of the water-based inks constituting the water-based ink set is in a range of 15% by weight to 35% by weight, and the water-based ink set satisfies the following condition X and condition Y, condition X: C−K≧0.6 condition Y: A≦1.5.
Public/Granted literature
- US20170182779A1 Water-Based Ink Set for Ink-Jet Recording and Ink-Jet Recording Apparatus Public/Granted day:2017-06-29
Information query
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