Invention Grant
- Patent Title: Ink composition
- Patent Title (中): 墨水组成
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Application No.: US12870902Application Date: 2010-08-30
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Publication No.: US08372897B2Publication Date: 2013-02-12
- Inventor: Takashi Oyanagi , Kiyohiko Takemoto , Kazuaki Tsukiana
- Applicant: Takashi Oyanagi , Kiyohiko Takemoto , Kazuaki Tsukiana
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Ladas & Parry LLP
- Priority: JP2009-199564 20090831
- Main IPC: C09D11/00
- IPC: C09D11/00

Abstract:
An ink composition, contains: an organic solvent, a metal pigment, and a resin, in which the organic solvent contains, based on the total amount of the ink composition, 60% by mass or more of diethylene glycol diethylether, 24 to 37% by mass of γ-butyrolactone and/or tetraethylene glycol dimethyl ether, and more than 1% by mass and lower than 5% by mass of tetraethylene glycol monobutyl ether, and the 50% average particle diameter in terms of sphere determined by a light scattering method of the metal pigment is 0.8 to 1.2 μm.
Public/Granted literature
- US20110054088A1 INK COMPOSITION Public/Granted day:2011-03-03
Information query
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