发明申请
- 专利标题: Black water-based ink composition
- 专利标题(中): 黑色水性油墨组合物
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申请号: US10995930申请日: 2004-11-22
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公开(公告)号: US20050126435A1公开(公告)日: 2005-06-16
- 发明人: Masahiro Hanmura , Tetsuya Aoyama , Kazuhiko Kitamura
- 申请人: Masahiro Hanmura , Tetsuya Aoyama , Kazuhiko Kitamura
- 专利权人: SEIKO EPSON CORPORATION
- 当前专利权人: SEIKO EPSON CORPORATION
- 优先权: JP2003-393918 20031125
- 主分类号: B41J2/01
- IPC分类号: B41J2/01 ; B41M5/00 ; C09B29/036 ; C09B29/042 ; C09B29/048 ; C09B29/42 ; C09B35/40 ; C09D11/00 ; C09D11/326 ; C09D11/328 ; C09D11/38
摘要:
The present invention provides a black water-based ink composition that has excellent resistance to light and ozone, has an excellent hue as a black ink, and also has excellent storage stability. A black water-based ink composition is prepared by combining at least one type of black dye selected from the group consisting of compounds expressed by the following formula (1) and salts thereof: and at least one type of dye other than a black dye, and the hue is adjusted by adding the dye other than a black dye. It is preferable if the dye other than the black dye is a compound that has at least one type of group selected from the group consisting of an —SO3H group, —COOH group, —SO3M group, and —COOM group (where M in these groups is an alkali metal atom), and is not an ammonium salt or a salt with an organic cation. It is also preferable for the dye other than the black dye to be a dye selected from the group consisting of yellow dyes and magenta dyes.
公开/授权文献
- US07094279B2 Black water-based ink composition 公开/授权日:2006-08-22
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