| 发明名称 |
Method of obtaining water-free 2-trimethylammoniumethyl methacrylate chloride (TMAC) from an aqueous solution |
| 摘要 |
The invention relates to a method of obtaining water-free 2-trimethylammoniumethyl methacrylate chloride (TMAC) characterized in that an aqueous TMAC solution is subjected to the following operations: (a) Azeotropic removal using an alkyl (meth)acrylate; and (b) Filtration of the resulting suspension.
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| 申请公布号 |
US5849946(A) |
申请公布日期 |
1998.12.15 |
| 申请号 |
US19970857900 |
申请日期 |
1997.05.16 |
| 申请人 |
ROEHM GMBH CHEMISCHE FABRIK |
发明人 |
ARNDT, PETER-JOSEPH;UDE, WERNER;GOTTMANN, KLAUS;KEHR, THOMAS |
| 分类号 |
C07C213/10;C07C219/08;(IPC1-7):C07C69/52 |
主分类号 |
C07C213/10 |
| 代理机构 |
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