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.
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
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