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公开(公告)号：US3630664A
公开(公告)日：1971-12-28
申请号：US3630664D
申请日：1967-06-07
Applicant: BAYER AG
Inventor： NENTWIG JOACHIM , FUHR KARL , RUDOLPH HANS , ROMATOWSKI JOHANNES
CPC classification number: D06P3/56 , D06P1/65125 , Y10S8/922
Abstract: Obtaining deep shades and substantially accelerating dyestuff absorption in the dyeing of aromatic polycarbonates with dispersion dyestuffs or developing dyestuffs by carrying out the dyeing process in the presence of an aliphatic, aromatic or mixed aliphatic aromatic carbonate.
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公开(公告)号：US3532454A
公开(公告)日：1970-10-06
申请号：US3532454D
申请日：1967-04-25
Applicant: BAYER AG
Inventor： FUHR KARL , NENTWIG JOACHIM , RUDOLPH HANS , ROMATOWSKI JOHANNES
CPC classification number: D06P1/65106 , D06P3/54 , D06P3/56 , Y10S8/914
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3.发明授权Polyurethane spinning solutions containing ethylene diamine and bis-(4-aminophenyl)-alkane polyurethanes 失效含有乙烯二胺和双（4-氨基苯基） - 烷基聚氨酯的聚氨酯纺丝溶液
公开(公告)号：US3485800A
公开(公告)日：1969-12-23
申请号：US3485800D
申请日：1967-06-21
Applicant: BAYER AG
Inventor： WIEDEN HORST , ROMATOWSKI JOHANNES , MOOSMUELLER FRITZ , LENZ HANS
CPC classification number: C08G18/6648 , C08G18/10 , Y10S528/903 , Y10S528/906 , C08G18/3243 , C08G18/3225
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