发明名称 |
Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine |
摘要 |
Compounds of the general formula I <IMAGE> I where R is hydrogen or C1-C6-alkyl and X is chlorine or bromine, with the proviso that X is only bromine when R is H, possess pigment properties and are distinguished by high color strength, brilliance and very good fastness properties.
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申请公布号 |
US4609726(A) |
申请公布日期 |
1986.09.02 |
申请号 |
US19840588972 |
申请日期 |
1984.03.14 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
KEMPER, REINHARD;LIEDEK, EGON |
分类号 |
C09B35/08;C09B35/18;(IPC1-7):C09B31/153;C09B33/12;C09B35/031;D06P1/52 |
主分类号 |
C09B35/08 |
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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