| 发明名称 |
Process for purifying a polyether |
| 摘要 |
A process for purifying a polyether, which comprises adding to a polyether (A) containing a first salt, water (B) and a compound (C) which is capable of reacting with an ion constituting the first salt to form a second salt which is essentially insoluble in the polyether (A), then removing water, followed by removing the second salt from the polyether (A).
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| 申请公布号 |
US5811566(A) |
申请公布日期 |
1998.09.22 |
| 申请号 |
US19950503211 |
申请日期 |
1995.07.17 |
| 申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
WATABE, TAKASHI;HATANO, HIROSHI;CHIBA, KAZUNORI;DOI, TAKAO;UENO, TORU;SAKAI, ETSUKO;YAMADA, MINORU;SAIKI, SHINYA;YAMAMOTO, HIROTSUGU;HIGUCHI, TOSHIHIKO |
| 分类号 |
C08G65/30;C08G59/40;C08G65/02;C08G65/26;C08G65/32;C08G65/327;C08G65/336;(IPC1-7):C07F7/08 |
主分类号 |
C08G65/30 |
| 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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