发明授权
- 专利标题: VERFAHREN ZUR HERSTELLUNG WÄSSRIGER, IM WESENTLICHEN METALLIONENFREIER HYDROXYLAMINLÖSUNGEN
- 专利标题(英): Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions
- 专利标题(中): 用于生产水的,基本上无金属离子羟胺
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申请号: EP99908908.9申请日: 1999-02-16
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公开(公告)号: EP1056713B1公开(公告)日: 2003-06-25
- 发明人: WATZENBERGER, Otto , SCHNEIDER, Hans-Michael
- 申请人: BASF AKTIENGESELLSCHAFT
- 申请人地址: 67056 Ludwigshafen DE
- 专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人地址: 67056 Ludwigshafen DE
- 代理机构: Kinzebach, Werner, Dr.
- 优先权: DE19806578 19980217
- 国际公布: WO99042434 19990826
- 主分类号: C07C213/00
- IPC分类号: C07C213/00
摘要:
The invention relates to a method for producing an aqueous hydroxylamine solution which is substantially free of metal ions. According to said method the hydroxylamine solution is subjected to at least one treatment with an acid cation exchanger.
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