Invention Grant
US08192009B2 Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus
有权
用于喷墨记录的墨盒和墨盒，喷墨记录方法和喷墨记录装置
- Patent Title: Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus
- Patent Title (中): 用于喷墨记录的墨盒和墨盒，喷墨记录方法和喷墨记录装置
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Application No.: US12589568Application Date: 2009-10-23
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Publication No.: US08192009B2Publication Date: 2012-06-05
- Inventor: Yuuki Yokohama , Akihiko Gotoh , Mariko Kojima , Hisashi Habashi
- Applicant: Yuuki Yokohama , Akihiko Gotoh , Mariko Kojima , Hisashi Habashi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2008-279323 20081030
- Main IPC: C09D11/02
- IPC: C09D11/02
Abstract:
An ink set for ink-jet recording which includes multiple inks having different colors. Each of the multiple inks includes a colorant, a water-soluble organic solvent, a fluorine-based surfactant, and water. The viscosity difference among the multiple inks is 2.0 mPa·s or less at a temperature of 25° C. and a shearing speed of 230 1/s, and the viscosity difference among the multiple inks is 0.5 mPa·s or less at a temperature of 25° C. and a shearing speed of 100,000 1/s.
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