| 发明名称 |
METHOD FOR PULVIRIZING TO FINE POWDER |
| 摘要 |
<p>The present invention has for its object to provide a method of micronizing (E)-4-Ä2-Ä2-ÄN-acetyl-N-(4-methoxybenzenesulfonyl)aminoÜphenylethenylÜ pyridine 1-oxide while maintaining its crystalline. The present invention relates to a method of micronizing the above compound characterized in that the compound is comminuted, for example, to the extent that the mean particle diameter of the compound will be 1 SIMILAR 25 mu m with 50 mu m and larger particles accounting for 2% or less with a mill of the open-circuit pulverizing type.</p> |
| 申请公布号 |
EP1174427(A1) |
申请公布日期 |
2002.01.23 |
| 申请号 |
EP20000917408 |
申请日期 |
2000.04.21 |
| 申请人 |
NIPPON SHINYAKU CO., LTD. |
发明人 |
YUKI, TETUO;WATANABE, SHUJI;KUDO, HITOSHI |
| 分类号 |
A61J3/02;A61K9/14;A61K9/16;A61K31/4409;A61K31/4412;A61P35/00;C07D213/89;(IPC1-7):C07D213/89;A61K31/440 |
主分类号 |
A61J3/02 |
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