发明名称 |
WATER-SOLUBLE DYE COMPOSITION AND RECORDING LIQUID CONTAINING THE SAME |
摘要 |
<p>A black recording liquid suitable for use in ink-jet recording or as an ink for writing instruments comprises at least two water-soluble dyes and a liquid medium. Each of the dyes satisfies the condition defined by the following expression [I], and a mixture of these dyes satisfies the condition defined by the following expression [II]. <IMAGE> [I] <IMAGE> [II] In these expressions, a* and b* are chromaticness indices defined in the CIE 1976 (L*, a*, b*) space, i indicates the ith dye of the dyes used together, and n is an integer of 2 or more.</p> |
申请公布号 |
EP0213497(B1) |
申请公布日期 |
1991.01.09 |
申请号 |
EP19860111230 |
申请日期 |
1986.08.13 |
申请人 |
MITSUBISHI KASEI CORPORATION;CANON KABUSHIKI KAISHA |
发明人 |
OHTA, TOKUYA;KOBAYASHI, MASATSUNE;SUGA, YUKO;MIURA, KONOE;TAKIMOTO, HIROSHI MITSUBISHI CHEMICAL IND. LTD.;YONEYAMA, TOMIO |
分类号 |
C09D11/00;C09D11/02;C09D11/16 |
主分类号 |
C09D11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|