| 发明名称 |
PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF. |
| 摘要 |
<p>This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof having a number-average molecular weight of at least about 250 g/mole by a polycondensation reaction using at least one acid catalyst.</p> |
| 申请公布号 |
MX2010004822(A) |
申请公布日期 |
2010.05.27 |
| 申请号 |
MX20100004822 |
申请日期 |
2008.10.31 |
| 申请人 |
E.I. DUPONT DE NEMOURS AND COMPANY |
发明人 |
CHRISTIAN HOFFMANN;SCOTT CHRISTOPHER JACKSON;MARK ANDREW HARMER;RUPERT SPENCE;EDWARD R. MURPHY |
| 分类号 |
C08G65/00 |
主分类号 |
C08G65/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
