| 发明名称 |
PROCESS FOR THE REMOVAL OF 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 pheno l 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 |
CA2334473(A1) |
申请公布日期 |
2001.08.10 |
| 申请号 |
CA20012334473 |
申请日期 |
2001.02.07 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HEYDENREICH, FRIEDER;WAGNER, RUDOLF;BODIGER, MICHAEL |
| 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 |
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