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公开(公告)号:US3520937A
公开(公告)日:1970-07-21
申请号:US3520937D
申请日:1967-04-03
Applicant: BASF AG
Inventor: MOELL HANS , ECKERT ERNST , KERBER HORST , APPL MAX , HOHENSCHUTZ HEINZ , WALZ HELMUT
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2.Production of pure phthalic anhydride from o-xylene 失效
Title translation: 从O-XYLENE生产纯的PHTHALIC ANHYDRIDE公开(公告)号:US3431284A
公开(公告)日:1969-03-04
申请号:US3431284D
申请日:1965-08-20
Applicant: BASF AG
Inventor: NONNENMACHER HELMUT , APPL MAX , HAUG JUERGEN , ANDRUSSOW KONSTANTIN
IPC: C07C51/265 , C07C51/573 , C07C63/02 , C07C63/18
CPC classification number: C07C51/265 , C07C51/573 , C07C63/16
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