Invention Grant
- Patent Title: INK composition
- Patent Title (中): INK组成
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Application No.: US12074816Application Date: 2008-03-05
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Publication No.: US07901499B2Publication Date: 2011-03-08
- Inventor: Kazuhiko Kitamura , Akihito Sao
- Applicant: Kazuhiko Kitamura , Akihito Sao
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Nutter McClennen & Fish LLP
- Agent John J. Penny, Jr.
- Priority: JP2007-054385 20070305
- Main IPC: C09D11/02
- IPC: C09D11/02

Abstract:
An ink composition at least comprising water and a colorant, and further comprising 0.01% by weight or more of lithium ions based on the total weight of the ink composition, wherein at least one type of glycol ether represented by the following formula 1 is contained: R1O—[—CH2—CH2—O]n—R2 Formula 1 (wherein, n represents a positive number of 4 to 8, R1 represents H or an alkyl group having 1 to 3 carbon atoms, and R2 represents an alkyl group having 6 to 8 carbon atoms).
Public/Granted literature
- US20090047484A1 Ink composition Public/Granted day:2009-02-19
Information query
IPC分类: