Invention Grant
US5693796A 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

  • Patent Title: Method for reducing the nitrosamine content of N-methylmorpholine-N-oxide
  • Patent Title (中): 降低N-甲基吗啉-N-氧化物亚硝胺含量的方法
  • Application No.: US702415
    Application Date: 1996-08-14
  • Publication No.: US5693796A
    Publication Date: 1997-12-02
  • Inventor: Mark Sandison
  • Applicant: Mark Sandison
  • Applicant Address: NJ Mount Olive
  • Assignee: BASF Corporation
  • Current Assignee: BASF Corporation
  • Current Assignee Address: NJ Mount Olive
  • Main IPC: C07D295/24
  • IPC: C07D295/24
Method for reducing the nitrosamine content of N-methylmorpholine-N-oxide
Abstract:
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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