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发明名称
A METHOD OF REMOVING IMPURITIES FROM N-METHYL-PYRROLIDONE USED FOR SOLVENT EXTRACTION OF LUBE OIL FRACTIONS USING ACTIVATED ALUMINA
摘要
申请公布号
EP0251517(B1)
申请公布日期
1992.01.15
申请号
EP19870305022
申请日期
1987.06.05
申请人
EXXON RESEARCH AND ENGINEERING COMPANY
发明人
KRUPAY, BORDAN WALTER;REID, LLOYD E.
分类号
B01D15/00;C07D207/267;C10G21/28;C10M177/00
主分类号
B01D15/00
代理机构
代理人
主权项
地址
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