Invention Grant
- Patent Title: Method for producing polyisocyanates of (cyclo)aliphatic diisocyanates which are flocculation-stable in solvents
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Application No.: US16339124Application Date: 2017-10-02
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Publication No.: US11807709B2Publication Date: 2023-11-07
- Inventor: Harald Schaefer , Daniel Flojhar , Jens Scheidel , Thomas Genger , Sebastian Emmerling , Matthias Kroner , Guillermo Arens
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Agency: Faegre Drinker Biddle & Reath LLP
- Priority: EP 192852 2016.10.07
- International Application: PCT/EP2017/074933 2017.10.02
- International Announcement: WO2018/065343A 2018.04.12
- Date entered country: 2019-11-14
- Main IPC: C08G18/79
- IPC: C08G18/79 ; C08G18/73 ; C08K5/17 ; C08K5/521 ; C08K5/5313 ; C08K5/5333 ; C09D175/04 ; C08K5/5317
Abstract:
The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.
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