| 发明名称 |
A METHOD FOR PREPARING HIGH PURITY 3-CARBOXY-N,N,N-TRIMETHYL-1-PROPANAMINIUM HYDROXIDE INNER SALT |
| 摘要 |
The invention relates to preparation of high purity 3-carboxy-N,N,N-trimethyl-1-propanaminium hydroxide inner salt by saponification of 3-trimethylaminiumbutanoic acid ester salt and following precipitation of inorganic salts with carbon dioxide or sulfur dioxide. |
| 申请公布号 |
EA016101(B1) |
申请公布日期 |
2012.02.28 |
| 申请号 |
EA20090000836 |
申请日期 |
2007.11.01 |
| 申请人 |
AKCIYU SABIEDRIBA "OLAINFARM" |
发明人 |
KALVINSH IVARS;CHERNOBROVIJS ALEKSANDRS;VARACHEVA LARISA;PUGOVICHS OSVALDS |
| 分类号 |
C07C227/40;C07C227/18 |
主分类号 |
C07C227/40 |
| 代理机构 |
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