| 发明名称 |
Purification of poly(n-vinylcarbazole) containing impurities |
| 摘要 |
Poly-N-vinylcarbazole containing impurities is purified by a process in which the poly-N-vinylcarbazole to be purified is treated in a suitable apparatus at from 20 DEG to 150 DEG C. with an extracting agent.
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| 申请公布号 |
US4987220(A) |
申请公布日期 |
1991.01.22 |
| 申请号 |
US19880278354 |
申请日期 |
1988.12.01 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
ALDAG, REINHARD;NEUMANN, PETER |
| 分类号 |
G03G5/07;C08F6/00;C08F6/28;C08F26/12 |
主分类号 |
G03G5/07 |
| 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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