发明名称 |
METHOD FOR PRODUCTION OF BISPHENOLS |
摘要 |
FIELD: organic chemistry. SUBSTANCE: desired bisphenols are prepared by interaction of phenol with aliphatic aldehyde or with ketone in the presence of acid catalyst and anion-exchange resin of weak base. Cation-exchange resin of strong acid is used as mentioned above acid catalyst, quantity of said anion-exchange resin being less than that of acid catalyst. EFFECT: improved efficiency. |
申请公布号 |
RU95103432(A) |
申请公布日期 |
1996.12.10 |
申请号 |
RU19950103432 |
申请日期 |
1995.03.09 |
申请人 |
ROM EHND KHAAS KOMPANI |
发明人 |
EHRIK GUSTAV LANDKVIST;MAJKL PITER BIGVUD |
分类号 |
B01J31/08;C07C39/16;B01J31/10;B01J39/00;C07B61/00;C07C37/11;C07C37/20;C07C37/68 |
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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