发明申请
- 专利标题: PYRAZOLE DISAZO DYE AND INK CONTAINING THE DYE
- 专利标题(中): 吡哆醛染料和含有染料的墨水
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申请号: US12742506申请日: 2008-11-11
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公开(公告)号: US20100292450A1公开(公告)日: 2010-11-18
- 发明人: Yasushi Shiga , Mio Ishida
- 申请人: Yasushi Shiga , Mio Ishida
- 申请人地址: JP Tokyo
- 专利权人: MITSUBISHI CHEMICAL CORPORATION
- 当前专利权人: MITSUBISHI CHEMICAL CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2007-293226 20071112
- 国际申请: PCT/JP2008/070527 WO 20081111
- 主分类号: C09B31/02
- IPC分类号: C09B31/02
摘要:
The invention provides a specific pyrazole disazo dye which is a yellow dye having excellent solubility in nonpolar solvents, in particular, hydrocarbon solvents, and having a high extinction coefficient. The dye preferably is preferably a pyrazole disazo dye represented by the following general formula (I): (wherein R1 represents a C2-C10 alkyl group; R2 represents a C3-C10 alkyl group; the six-membered ring A represents a phenyl group which may have a substituent; and the six-membered ring B represents a phenylene group which may have a substituent).
公开/授权文献
- US08143382B2 Pyrazole disazo dye and ink containing the dye 公开/授权日:2012-03-27
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