发明授权
- 专利标题: Process for preparing 1-amino-naphthalene-7-sulphonic acid
- 专利标题(中): 1-氨基 - 萘-7-磺酸的制备方法
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申请号: US706099申请日: 1976-07-16
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公开(公告)号: US4091013A公开(公告)日: 1978-05-23
- 发明人: Rolf Putter , Gunther Klag , Heinz Ulrich Blank
- 申请人: Rolf Putter , Gunther Klag , Heinz Ulrich Blank
- 申请人地址: DT Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DT Leverkusen
- 优先权: DT2535337 19750807
- 主分类号: C07C67/00
- IPC分类号: C07C67/00 ; C07C301/00 ; C07C303/22 ; C07C309/47 ; C07C143/60 ; C07C85/04
摘要:
1-Amino-naphthalene-7-sulphonic acid is prepared by reacting 1-chloro-naphthalene-4,7-disulphonic acid with ammonia at elevated temperatures in the presence of water and optionally in the presence of a catalyst such as a copper catalyst.
公开/授权文献
- USD338806S Combined tumbler and ice holder 公开/授权日:1993-08-31
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