| 发明名称 |
Mixed substance of triphenylamine dimers |
| 摘要 |
<p>The present invention intends to provide a TPD derivative being excellent in electric properties as a compound due to its extremely less content of impurities (TPD analogues) as well as being excellent in film-forming property due to its low crystallinity. The TPD derivative is a mixed substance of triphenylamine dimers which contains at least the compound represented by formula B: <CHEM></p> |
| 申请公布号 |
EP1296192(A2) |
申请公布日期 |
2003.03.26 |
| 申请号 |
EP20020021217 |
申请日期 |
2002.09.18 |
| 申请人 |
ORIENT CHEMICAL INDUSTRIES, LTD. |
发明人 |
KITA, YOSHIO;YAMASAKI, YASUHIRO |
| 分类号 |
C07C209/10;C07B61/00;C07C211/54;G03G5/05;G03G5/06;(IPC1-7):G03G5/06;C09K11/06 |
主分类号 |
C07C209/10 |
| 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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