| 发明名称 |
Process for reducing caprolactam and its oligomers in nylon-6 pre-polymer |
| 摘要 |
Disclosed is a process for reducing low molecular weight impurities, namely caprolactam and its oligomers, from Nylon-6 pre-polymer during the preparation of Nylon-6 polymer.
|
| 申请公布号 |
US6875838(B2) |
申请公布日期 |
2005.04.05 |
| 申请号 |
US20030424696 |
申请日期 |
2003.04.28 |
| 申请人 |
INVISTA NORTH AMERICAL S.A.R.L. |
发明人 |
ALSOP ALBERT W.;CAMP CARL E.;IWASYK JOHN M.;RAJAGOPALAN DILIP |
| 分类号 |
C08F6/00;C08G69/04;C08G69/08;C08G69/16;C08G69/38;C08J3/00;(IPC1-7):C08G69/04 |
主分类号 |
C08F6/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
