发明名称 |
Method for purifying a polyoxyalkylene alcohol. |
摘要 |
<p>A method for purifying a polyoxyalkylene alcohol, which comprises treating with a treating agent consisting essentially of a pH buffer, a polyoxyalkylene alcohol containing a double metal cyanide complex catalyst, synthesized by ring-opening polymerization of an alkylene oxide in the presence of said catalyst, and then removing the catalyst and the treating agent from the polyoxyalkylene alcohol.</p> |
申请公布号 |
EP0383333(A1) |
申请公布日期 |
1990.08.22 |
申请号 |
EP19900102979 |
申请日期 |
1990.02.15 |
申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
WATABE, TAKASHI;TAKEYASU, HIROMITSU;DOI, TAKAO;KUNII, NOBUAKI |
分类号 |
C08G65/26;C08G65/30 |
主分类号 |
C08G65/26 |
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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