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公开(公告)号:US3801620A
公开(公告)日:1974-04-02
申请号:US3801620D
申请日:1971-08-23
IPC分类号: C07C255/51 , C07C67/00 , C07C253/00 , C07C253/28 , C07C121/54
CPC分类号: C07C253/28 , C07C255/51
摘要: IN THE VAPOR PHASE AMMOXIDATION OF M-XYLENE TO ISOPHTHALONITRILE, THE IMPROVEMENT WHICH COMPRISES COOLING THE GASEOUS PRODUCTS FROM THE AMMOXIDATION REACTOR TO TEMPERATURE AND PRESSURE CONDITIONS WHICH WILLMAINTAIN SAID ISOPHTHALONITRILE IN THE LIQUID PHASE, SEPARATING VOLATILES FROM SAID LIQUID ISOPHTHALONITRILE, AND RECOVERING HIGHLY PURIFIED LIQUID ISOPHTHALONITRILE AS BOTTOMS.