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1.Process for the separation of acrylonitrile and acetonitrile by absorption,extractive distillation and solvent stripping 失效
Title translation: 通过吸收,萃取蒸馏和溶剂剥离分离丙烯腈和乙酸酯的方法公开(公告)号:US3535849A
公开(公告)日:1970-10-27
申请号:US3535849D
申请日:1968-06-24
Applicant: ERDOELCHEMIE GMBH , BAYER AG
Inventor: HAUSWEILER ARNOLD , BITNERS FELIKS , KNAPP KARL-HEINRICH
IPC: B01D3/40 , B01D19/00 , C07C20060101 , C07C121/32
CPC classification number: C07C253/34 , C07C255/08 , C07C255/03
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2.Thermoplastic-elastic moulding compositions with improved notched bar impact strength 失效
Title translation: 热塑性弹性成型组合物,具有改进的注射棒冲击强度公开(公告)号:US3442979A
公开(公告)日:1969-05-06
申请号:US3442979D
申请日:1964-07-14
Applicant: BAYER AG
Inventor: OTT KARL-HEINZ , KNAPP KARL-HEINRICH , DINGES KARL , ROEHR HARRY
IPC: C08F279/04 , C08F19/18 , C08F41/12
CPC classification number: C08F279/04 , C08F2/22
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