| 发明名称 |
Process for inhibiting polymer formation in an vinyl monomer azeotropic dehydration process |
| 摘要 |
An improved process is provided herein for the purification of polymerizable organic material, e.g., acrylic acid, by azeotropic distillation.
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| 申请公布号 |
EP1319649(A1) |
申请公布日期 |
2003.06.18 |
| 申请号 |
EP20020258417 |
申请日期 |
2002.12.05 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
CHALFANT, DAVID CLARK;DAY, JAMES CLARENCE;GRIECO, WILLIAM JOSEPH |
| 分类号 |
C07C51/46;B01D3/34;C07C;C07C7/06;C07C51/50;C07C57/04;C08F6/02;(IPC1-7):C07C51/50 |
主分类号 |
C07C51/46 |
| 代理机构 |
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