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公开(公告)号：SG66381A1
公开(公告)日：1999-07-20
申请号：SG1997002516
申请日：1997-07-22
Applicant: HOECHST AG
Inventor： ODENWALDSTRABE THOMAS MARTINI , NEUNZERLING HELMUT , MARTINI THOMAS
IPC: C08L75/04 , C08K5/00 , C08K5/3445 , C08L75/08
Abstract: Optically brightened polyurethane (PUR), obtained by poly-addition of the required polyol and isocyanate components, either of which contains a dissolved pyrazoline brightener.
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