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1.Bis-(o:o-diethyl-dithiophosphoryl) 1:4-butylene-dimethyl ether 失效
Title translation: 双 - (邻 - 二乙基 - 二硫代磷酰基)1:4-丁烯 - 二甲醚公开(公告)号:US2885430A
公开(公告)日:1959-05-05
申请号:US65007957
申请日:1957-04-02
Applicant: HOECHST AG
Inventor: OTTO SCHERER , HELMUT HAHN , HEINZ FRENSCH , FRIEDRICH EMMEL LUDWIG , WILHELM STAUDERMANN
CPC classification number: C07F9/1651 , C07F9/091
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2.Unsaturated polycyclic sulfites and a process for their manufacture 失效
Title translation: 不饱和多环亚硫酸盐及其制造方法公开(公告)号:US2799685A
公开(公告)日:1957-07-16
申请号:US50026455
申请日:1955-04-08
Applicant: HOECHST AG
Inventor: HEINZ FRENSCH , HELMUT GOEBEL , WILHELM STAUDERMANN , WALTER FINKENBRINK
IPC: B27K3/34 , B27K3/36 , C07C33/50 , C07D327/10
CPC classification number: C07D327/10 , B27K3/343 , B27K3/36 , C07C33/50 , D21H21/36
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