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21.Crystallization of benzene tricarboxylic acids from aqueous solutions 失效
Title translation: 苯三羧酸从水溶液中结晶公开(公告)号:US3033899A
公开(公告)日:1962-05-08
申请号:US70020257
申请日:1957-12-02
Applicant: STANDARD OIL CO
Inventor: KNOBLOCH JAMES O , LIAO HSIANG P
IPC: C07C51/43
CPC classification number: C07C51/43 , C07C63/307
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22.Resolution of trimellitic anhydride and benzene dicarboxylic acids 失效
Title translation: 偏苯三酸酐和苯二羧酸的拆分公开(公告)号:US3032559A
公开(公告)日:1962-05-01
申请号:US1619160
申请日:1960-03-21
Applicant: STANDARD OIL CO
Inventor: HIRSCH ARTHUR G , KNOBLOCH JAMES O
IPC: C07C51/573
CPC classification number: C07C51/573 , C07C63/307
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公开(公告)号:US2665280A
公开(公告)日:1954-01-05
申请号:US26351651
申请日:1951-12-26
Applicant: STANDARD OIL CO
Inventor: KNOBLOCH JAMES O , SPARKS JOSEPH W
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