发明授权
- 专利标题: Preparation of halogenated indigo
- 专利标题(中): 卤化靛蓝的制备
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申请号: US117075申请日: 1993-09-14
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公开(公告)号: US5380871A公开(公告)日: 1995-01-10
- 发明人: Reinhold Kohlhaupt , Udo Bergmann , Lothar Haas
- 申请人: Reinhold Kohlhaupt , Udo Bergmann , Lothar Haas
- 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: DEX4110458 19910330
- 主分类号: C09B7/04
- IPC分类号: C09B7/04 ; C07D405/04
摘要:
A process for preparing halogenated indigo by reacting indigo with bromine and/or chlorine in the presence or absence of iodine as catalyst comprises using thionyl chloride as reaction medium.
公开/授权文献
- USD434200S Container for holding insulation equipment 公开/授权日:2000-11-21
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