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发明名称
Metal contg azo dyes for dyeing paper
摘要
<p>Metal-contng. azo dyes for dyeing paper. New dyes have formula:- wherein Me is a metal ion, pref. alkali metal esp. Na, or NH4 and rings A and/or B can be further substd.</p>
申请公布号
CH529205(A)
申请公布日期
1972.10.15
申请号
CH19710000780
申请日期
1969.05.14
申请人
SANDOZ AG
发明人
FREI,ALFRED,DR.
分类号
C09B35/14;C09B45/24;C09B67/26;(IPC1-7):C09B67/00;D21H3/80
主分类号
C09B35/14
代理机构
代理人
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