Invention Grant
US08282719B2 Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus and method of stabilizing water-based ink for ink-jet recording 有权
用于喷墨记录的水性油墨,墨盒,喷墨记录装置和稳定用于喷墨记录的水性油墨的方法

  • 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
  • Patent Title (中): 用于喷墨记录的水性油墨,墨盒,喷墨记录装置和稳定用于喷墨记录的水性油墨的方法
  • Application No.: US13443988
    Application Date: 2012-04-11
  • Publication No.: US08282719B2
    Publication Date: 2012-10-09
  • 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
Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus and method of stabilizing water-based ink for ink-jet recording
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 %)
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