| 发明名称 |
Decoloration of bisphenol-A recycle stream with cation exchange resin |
| 摘要 |
All or part of bisphenol-A process mother liquor recycle stream is contacted with acidic cation exchange resin to remove color bodies. The acidic cation exchange resin is periodically washed and reactivated after use by a mixed phenol/water wash.
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| 申请公布号 |
US4107218(A) |
申请公布日期 |
1978.08.15 |
| 申请号 |
US19770794419 |
申请日期 |
1977.05.06 |
| 申请人 |
UNION CARBIDE CORPORATION |
发明人 |
KONRAD, FREDERICK MILLER;MASON, STEPHEN HOWARD |
| 分类号 |
C07C39/16;(IPC1-7):C07C37/22 |
主分类号 |
C07C39/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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