发明名称 |
Black azo dyes |
摘要 |
Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fastness.
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申请公布号 |
US6451989(B1) |
申请公布日期 |
2002.09.17 |
申请号 |
US20010883904 |
申请日期 |
2001.06.18 |
申请人 |
LEXMARK INTERNATIONAL, INC. |
发明人 |
BEACH BRADLEY LEONARD;HOLLOWAY ANN P;FEEMAN JAMES F |
分类号 |
C09B31/08;C09D11/00;(IPC1-7):C09B31/08;C09B33/22;C09D11/02 |
主分类号 |
C09B31/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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