发明申请
- 专利标题: Method for storing quaternary ammonium salt
- 专利标题(中): 储存季铵盐的方法
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申请号: US10755444申请日: 2004-01-13
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公开(公告)号: US20040147740A1公开(公告)日: 2004-07-29
- 发明人: Naoki Hirano , Masako Saijyo
- 优先权: JP2000-64659 20000309; JP2000-122628 20000424; JP2000-243558 20000811
- 主分类号: C07D413/04
- IPC分类号: C07D413/04
摘要:
A method of improving the stability of a quaternary ammonium salt and a method of efficiently preparing the quaternary ammonium salt having improved stability.
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