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1.发明授权Production of lactams by the beckmann rearrangement using urea bisulfate as catalyst 失效使用尿素硫酸氢盐作为催化剂，通过贝克曼重排生产内酰胺
公开(公告)号：US3016374A
公开(公告)日：1962-01-09
申请号：US76506758
申请日：1958-10-03
Applicant: SPENCER CHEM CO
Inventor： HOPKINS THOMAS R , DAVID OSBORN MYRON , FRANCIS WILLIAM C
IPC: B01J27/00 , B01J31/02 , C07D201/04
CPC classification number: C07D201/04 , B01J27/00 , B01J31/0249 , B01J2231/50
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