Patent search ap:("BAYER AG") AND inv:"DOROTHEA PROCHASKA HILDEGARD" Page 1

1.

发明授权
Water-insoluble azophthalocyanine dyestuffs and process for their production 失效
Title translation: 水不溶性偶氮酞菁染料及其制备方法

公开(公告)号：US3013006A

公开(公告)日：1961-12-12

申请号：US83804959

申请日：1959-09-04

Applicant: BAYER AG

Inventor： HILDEGARD BIENERT , DOROTHEA PROCHASKA HILDEGARD , KLAUS BIENERT BERTHOLD , KURT BREIG , MANFRED GROLL

IPC: C09B47/26 , C09B56/14

CPC classification number: C09B56/14 , C09B47/26

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