Patent search ap:("DUISBERG WALTHER H") AND inv:"KOESSLINGER KARL" Page 1

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发明授权
Process of treating textile materials 失效

公开(公告)号：US2261240A

公开(公告)日：1941-11-04

申请号：US18224937

申请日：1937-12-29

Applicant: DUISBERG WALTHER H

Inventor： ESSELMAN PAUL , BITTERFELD WOLFEN , KOESSLINGER KARL , DUESING JOSEPH

IPC: C07D277/16 , C08G73/04 , C08G75/00 , D01F1/10 , D06M15/61 , D06P5/22

CPC classification number: C07D277/16 , C08B9/00 , C08G75/00 , D01F2/08 , D06M15/61 , D06P5/225

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