| 发明名称 |
Process for eliminating dissolved oxygen from phenol |
| 摘要 |
The present invention relates to a method for avoiding undesirable discoloration in polycarbonate production by catalytic removal of dissolved oxygen from phenol by(a) admixing hydrogen with phenol and(b) passing the phenol stream over ion exchangers doped with platinum group metals. |
| 申请公布号 |
EP1123912(B1) |
申请公布日期 |
2003.08.20 |
| 申请号 |
EP20010101656 |
申请日期 |
2001.01.29 |
| 申请人 |
BAYER AG |
发明人 |
HEYDENREICH, FRIEDER, DR.;WAGNER, RUDOLF, DR.;BOEDIGER, MICHAEL, DR. |
| 分类号 |
B01J41/04;B01J41/14;C07C37/68;C07C37/86;C07C39/04;C07C39/16;C08G64/06 |
主分类号 |
B01J41/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
