Patent search ap:("BAYER AG") AND inv:"OUAEDVLIEG MATHIEU" Page 1

1.

发明授权
Process for the dyeing of fibre materials of polyacrylonitrile or copolymers containing acrylonitrile 失效
Title translation: 含有丙烯腈的聚丙烯腈或共聚物纤维材料的染色工艺

公开(公告)号：US3574527A

公开(公告)日：1971-04-13

申请号：US3574527D

申请日：1968-07-25

Applicant: BAYER AG

Inventor： WALZ KLAUS , HEES WALTER , OUAEDVLIEG MATHIEU

IPC: C07C279/26 , C07D233/48 , C07D233/88 , D06P1/649 , D06P5/06

CPC classification number: C07C279/26 , C07D233/48 , C07D233/88 , D06P1/6494

Abstract: PROCESS FOR DYEING FIBERS CONTAINING AT LEAST 80% BY WEIGHT POLYACRYLONITRILE WITH CATIONIC DYESTUFFS IN LEVEL AND DEEP SHADES BY USING AS DYEING AUXILIARIES A GUANIDINE COMPOUND OF THE FORMULA R1-N(-R2)-C(=N-R3)-N(-R4)-R5 .HX WHERE THE R''S AND X ARE AS DEFINED HEREINBELOW.

Patent Agency Ranking