| 发明名称 |
Method for producing high-purity bisphenols |
| 摘要 |
Low-color bisphenols may be produced by condensing phenol with ketones in the presence of a strong-acid cation exchange resin acting as an acid catalyst for the condensation reaction, and of a small amount, relative to the acid catalyst, of a weak-base anion exchange resin.
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| 申请公布号 |
US5475154(A) |
申请公布日期 |
1995.12.12 |
| 申请号 |
US19940209574 |
申请日期 |
1994.03.10 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
LUNDQUIST, ERIC G.;BIGWOOD, MICHAEL P. |
| 分类号 |
B01J31/08;B01J31/10;C07B61/00;C07C37/20;C07C37/68;C07C39/16;(IPC1-7):C07C39/12 |
主分类号 |
B01J31/08 |
| 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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