| 发明名称 |
Method for preserving quaternary ammonium salt |
| 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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| 申请公布号 |
EP1669351(A2) |
申请公布日期 |
2006.06.14 |
| 申请号 |
EP20050019667 |
申请日期 |
2001.03.09 |
| 申请人 |
TOKUYAMA CORPORATION |
发明人 |
HIRANO, NOAKI;SAIJYO, MASAKO |
| 分类号 |
C07D251/46;C07C67/08;C07C69/24;C07C69/612;C07C69/618;C07C231/02;C07D277/20;C07D501/22;C07D501/24;C07D501/36;C07D501/48;C07D501/59 |
主分类号 |
C07D251/46 |
| 代理机构 |
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代理人 |
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