| 发明名称 |
Method for purifying electronic item material |
| 摘要 |
A method for purifying an electronic item material, which comprises dissolving an electronic item material or its intermediate product in an organic solvent and having the solution contacted with activated clay at a temperature of 65° C. to 200° C.
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| 申请公布号 |
US2003050489(A1) |
申请公布日期 |
2003.03.13 |
| 申请号 |
US20010893684 |
申请日期 |
2001.06.29 |
| 申请人 |
HODOGAYA CHEMICAL CO., LTD. |
发明人 |
ABE KATSUMI;NISHIMURA TOMONORI;WATANABE TAKANOBU;SUZUKA SUSUMU |
| 分类号 |
G03G5/00;B01D15/00;B01J20/12;C07C211/54;C07C211/60;C07C251/86;C09K11/06;G03G5/047;G03G5/05;G03G5/06;(IPC1-7):C07C243/00;B32B9/00 |
主分类号 |
G03G5/00 |
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