| 发明名称 |
METHOD FOR RECOVERING TUNGSTEN |
| 摘要 |
<p>A method for recovering tungsten from a reaction mixture obtained by reacting an organic compound with hydrogen peroxide in the presence of a tungsten catalyst comprising blowing a gas into the reaction mixture to precipitate tungstic acid (WO 3 ·H 2 O) and separating tungstic acid precipitated.</p> |
| 申请公布号 |
EP1942094(A1) |
申请公布日期 |
2008.07.09 |
| 申请号 |
EP20060798349 |
申请日期 |
2006.09.20 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
HAGIYA, KOJI |
| 分类号 |
C07C51/285;B01J23/30;B01J38/04;B01J38/10;C07B61/00;C07C29/50;C07C35/08;C07C45/33;C07C49/403;C07C55/14 |
主分类号 |
C07C51/285 |
| 代理机构 |
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代理人 |
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| 地址 |
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