Invention Grant
- Patent Title: Method for producing colourless polyisocyanates
- Patent Title (中): 无色多异氰酸酯的制备方法
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Application No.: US13125408Application Date: 2009-10-19
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Publication No.: US08969614B2Publication Date: 2015-03-03
- Inventor: Horst Binder , Matthias Kroner , Alexander Bayer
- Applicant: Horst Binder , Matthias Kroner , Alexander Bayer
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP08167303 20081022
- International Application: PCT/EP2009/063634 WO 20091019
- International Announcement: WO2010/046327 WO 20100429
- Main IPC: C07C251/00
- IPC: C07C251/00 ; C08G18/73 ; C07C263/18 ; C07C263/20 ; C07D251/34 ; C08G18/79 ; C08G18/75 ; C08G18/02 ; C08G18/18
Abstract:
The present invention relates to a process for preparing colorless polyisocyanates, in particular for reducing the color of polyisocyanates.
Public/Granted literature
- US20110251423A1 METHOD FOR PRODUCING COLOURLESS POLYISOCYANATES Public/Granted day:2011-10-13
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