发明名称 |
Brown vat dye and its preparation |
摘要 |
A vat dye obtained by heating a condensation product, which itself has been prepared by heating 3,9-di-(1-anthraquinonylamino)-benz[d,e]anthrone in an aluminum chloride/picoline or aluminum chloride/quinoline melt in the presence of sulfuryl chloride or thionyl chloride, in a melt of an alkali metal hydroxide in an alcohol or glycol or aqueous glycol. The dye gives deep clear brown dyeings having good fastness characteristics.
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申请公布号 |
US4323510(A) |
申请公布日期 |
1982.04.06 |
申请号 |
US19800155189 |
申请日期 |
1980.06.02 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HOCH, HELMUT;HILLER, HEINRICH |
分类号 |
C09B3/06;C09B3/10;C09B5/28;C09B5/40;(IPC1-7):C07C50/18;C09B1/00 |
主分类号 |
C09B3/06 |
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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