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发明名称
VERFAHREN ZUR EXTRAKTION VON N-METHYL-PYRROLIDON-(2)
摘要
申请公布号
DE3834904(A1)
申请公布日期
1990.04.19
申请号
DE19883834904
申请日期
1988.10.13
申请人
HOECHST AG, 6230 FRANKFURT, DE
发明人
MIESS, DIPL.-CHEM. DR., 6238 HOFHEIM, DE;SCHWARZ, DIPL.-ING., 6237 LIEDERBACH, DE;TETZLAFF, DIPL.-CHEM. DR., 6000 FRANKFURT, DE;WOITECH, DIPL.-CHEM. DR., 6232 BAD SODEN, DE
分类号
C07D207/267;C07D207/38
主分类号
C07D207/267
代理机构
代理人
主权项
地址
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