发明授权
US5847130A Method for reducing the nitrosamine content of N-methylmorpholine-N-oxide
失效
降低N-甲基吗啉-N-氧化物亚硝胺含量的方法
- 专利标题: Method for reducing the nitrosamine content of N-methylmorpholine-N-oxide
- 专利标题(中): 降低N-甲基吗啉-N-氧化物亚硝胺含量的方法
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申请号: US905578申请日: 1997-08-04
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公开(公告)号: US5847130A公开(公告)日: 1998-12-08
- 发明人: Mark Sandison
- 申请人: Mark Sandison
- 申请人地址: NJ Mount Olive
- 专利权人: BASF Corporation
- 当前专利权人: BASF Corporation
- 当前专利权人地址: NJ Mount Olive
- 主分类号: C07D295/24
- IPC分类号: C07D295/24
摘要:
Aqueous solutions of N-methylmorpholine N-oxide having reduced nitrosamine concentrations are produced by adding catalytic amounts of inorganic carbonate or bicarbonate or carboxylic acid or carboxylate salt.
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