发明授权
- 专利标题: Magenta ink composition
- 专利标题(中): 洋红色墨水组合物
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申请号: US10951446申请日: 2004-09-28
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公开(公告)号: US07323045B2公开(公告)日: 2008-01-29
- 发明人: Masahiro Hanmura , Kazuhiko Kitamura
- 申请人: Masahiro Hanmura , Kazuhiko Kitamura
- 申请人地址: JP Tokyo
- 专利权人: Seiko Epson Corporation
- 当前专利权人: Seiko Epson Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Ladas and Parry LLP
- 优先权: JP2003-340509 20030930; JP2003-340510 20030930
- 主分类号: C09D11/00
- IPC分类号: C09D11/00 ; C09D11/02 ; B41J2/01 ; B41M5/00
摘要:
Objects of the present invention are to provide a magenta ink composition having good light-fastness and gas resistance, and excellent moisture resistance and clogging resistance, and to provide a magenta ink composition having excellent colorability in addition to these characteristics. The present invention provides a magenta ink composition containing, as colorants, at least one selected from compounds represented by undermentioned formula (1) and salts thereof, and at least one selected from compounds represented by undermentioned formula (2) and salts thereof. Moreover, the present invention also provides a magenta ink composition containing, as colorants, the above and in addition at least one selected from compounds represented by undermentioned formula (3). (Definitions of the symbols in the formulae are as in the claims.)
公开/授权文献
- US20050115459A1 Magenta ink composition 公开/授权日:2005-06-02