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1.Recovery of benzoic acid by distillation in presence of excess water 失效
Title translation: 在过量水存在下通过蒸馏回收苯甲酸公开(公告)号:US3309289A
公开(公告)日:1967-03-14
申请号:US22923462
申请日:1962-10-08
Applicant: SNIA VISCOSA
Inventor: GIUSEPPE MESSINA , WERNER MUENCH , ROBERTO MATTONE , ENZA PASCALINO , PAOLA NOTARBARTOLO
IPC: C07C51/265 , C07C51/42 , C07C51/46
CPC classification number: C07C51/42 , C07C51/265 , C07C51/46 , C07C63/06
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2.Process for the polycondensation of diamines and dicarboxylic acids 失效
Title translation: 二胺和二羧酸的缩聚方法公开(公告)号:US3017394A
公开(公告)日:1962-01-16
申请号:US75712658
申请日:1958-08-25
Applicant: SNIA VISCOSA
Inventor: WERNER MUENCH , CESANO MADERNO , LUIGI NOTARBARTOLO , GIUSEPPE MESSINA
IPC: C08G69/28
CPC classification number: C08G69/28
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公开(公告)号:CH439297A
公开(公告)日:1967-07-15
申请号:CH1255262
申请日:1962-10-25
Applicant: SNIA VISCOSA
Inventor: WERNER MUENCH , CESANO MADERNO , LUIGI NOTARBARTOLO , GIUSEPPE MESSINA , MARIO TAVERNA
IPC: C07D201/10 , C07D41/06
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公开(公告)号:CH432493A
公开(公告)日:1967-03-31
申请号:CH1185562
申请日:1962-10-09
Applicant: SNIA VISCOSA
Inventor: LUIGI NOTARBARTOLO , GIUSEPPE MESSINA , WERNER MUENCH , CESANO MADERNO , ROBERTO MATTONE
IPC: C07C51/265 , C07C51/42 , C07C51/46 , C07C63/06
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