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1.发明授权
公开(公告)号：US3070578A
公开(公告)日：1962-12-25
申请号：US81582859
申请日：1959-05-26
Applicant: HOECHST AG
Inventor： CLAUS HENCK , FRITZ ROCHLITZ , HEINZ SCHMIDT , HERBERT VILCSEK , JAKOB WINTER
IPC: C08G63/692 , C08G63/91 , C08G79/04
CPC classification number: C08G63/6924 , C08G63/914 , C08G79/04
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