Patent search ap:("BASF AG") AND inv:"GEORG ROESSLER KARL" Page 1

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发明授权
Linear polyesters dyed with 3'-hydroxy-quinophthalone dyestuffs 失效
Title translation: 用3'-羟基 - 喹酞酮染料染色的线性聚酯

公开(公告)号：US3036876A

公开(公告)日：1962-05-29

申请号：US83071659

申请日：1959-07-31

Applicant: BASF AG

Inventor： ALFRED SCHOELLIG , GEORG ROESSLER KARL , REINHOLD KRALLMANN

IPC: A61K6/083 , C09B25/00 , D06P1/16

CPC classification number: C09B25/00 , A61K6/083 , D06P1/16

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