Invention Grant
- Patent Title: Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus and method of stabilizing water-based ink for ink-jet recording
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Application No.: US12342771Application Date: 2008-12-23
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Publication No.: US08177898B2Publication Date: 2012-05-15
- Inventor: Yuko Iwamura
- Applicant: Yuko Iwamura
- Applicant Address: JP Nagoya-shi, Aichi
- Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee Address: JP Nagoya-shi, Aichi
- Agency: Banner & Witcoff, Ltd.
- Priority: JP2007-338536 20071228; JP2007-338539 20071228
- Main IPC: C09D11/02
- IPC: C09D11/02 ; B41J2/01

Abstract:
A water-based ink for ink-jet recording includes a coloring agent and water. The coloring agent includes a dye represented by the following general formula (1). In the ink, an amount of glycerin is set so as to satisfy the following condition (A). 3.5X−5≦Y1≦3.5X (A) X: an amount of a dye represented by general formula (1) relative to a total amount of the ink (wt %) Y1: an amount of glycerin relative to a total amount of the ink (wt %)
Public/Granted literature
Information query
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