发明授权
- 专利标题: Brown vat dye and its preparation
- 专利标题(中): 棕瓮染料及其制备
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申请号: US155189申请日: 1980-06-02
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公开(公告)号: US4323510A公开(公告)日: 1982-04-06
- 发明人: Helmut Hoch , Heinrich Hiller
- 申请人: Helmut Hoch , Heinrich Hiller
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX2926025 19790628
- 主分类号: C09B3/06
- IPC分类号: C09B3/06 ; C09B3/10 ; C09B5/28 ; C09B5/40 ; C07C50/18 ; C09B1/00
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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