发明名称 |
KONTINUIERLICHES VERFAHREN ZUR HERSTELLUNG VON POLYTRIMETHYLENETHERGLYKOL |
摘要 |
The invention is a continuous process for the preparation of polytrimethylene ether glycol from 1,3-propanediol reactant. In addition, the invention is directed to a continuous multi-stage process comprising reacting at least one reactant in a liquid phase in an up-flow column reactor, and forming a gas or vapor phase by-product wherein the gas or vapor phase by-product is continuously removed at the top and at least one intermediate stage. |
申请公布号 |
AT340154(T) |
申请公布日期 |
2006.10.15 |
申请号 |
AT20000986476T |
申请日期 |
2000.12.15 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SUNKARA, HARI B.;MARCHILDON, ERNEST, KEITH;NG, HOWARD, CHUNG-HO;MANZER, LEO E. |
分类号 |
B01D3/00;B01J8/04;B01J10/00;B01J19/24;C07C41/09;C07C43/11;C08G65/34 |
主分类号 |
B01D3/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|