Patent search ap:("HOECHST AG") AND inv:"SIEGFRIED NOETZEL" Page 1

1.

发明授权
Process for preparing block polymers of a polyepoxide and polyoxymethylene 失效
Title translation: 制备聚环氧化物和聚甲醛的嵌段聚合物的方法

公开(公告)号：US3379789A

公开(公告)日：1968-04-23

申请号：US38748664

申请日：1964-08-04

Applicant: HOECHST AG

Inventor： KLAUS WEISSERMEL , DIETER HERMANN HANS , SIEGFRIED NOETZEL

IPC: C08G2/38 , C08G4/00

CPC classification number: C08G4/00 , C08G2/38

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