Patent search ap:("BASF AG") AND inv:"FRIEDRICH ARNEMANN" Page 1

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发明授权
Dyeing of polyacrylonitrile and copolymers of acrylonitrile 失效
Title translation: 聚丙烯腈染色和丙烯腈共聚物

公开(公告)号：US2913303A

公开(公告)日：1959-11-17

申请号：US65329657

申请日：1957-04-17

Applicant: BASF AG

Inventor： HANS BAUMANN , FRIEDRICH ARNEMANN , JULIUS EISELE , WILHELM FEDERKIEL

IPC: C09B23/16 , D06P3/76

CPC classification number: C09B23/16 , D06P3/76 , Y10S8/927

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