Invention Grant
- Patent Title: Rigid PUR/PIR foams of isopropylidenediphenol-based polyethers
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Application No.: US15572589Application Date: 2016-05-09
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Publication No.: US10253134B2Publication Date: 2019-04-09
- Inventor: Hartmut Nefzger , Stephan Schleiermacher , Klaus Lorenz
- Applicant: Covestro Deutschland AG
- Applicant Address: DE Leverkusen
- Assignee: COVESTRO DEUTSCHLAND AG
- Current Assignee: COVESTRO DEUTSCHLAND AG
- Current Assignee Address: DE Leverkusen
- Agent N. Denise Brown
- Priority: EP15167106 20150511; EP16154562 20160205
- International Application: PCT/EP2016/060287 WO 20160509
- International Announcement: WO2016/180757 WO 20161117
- Main IPC: C08G18/76
- IPC: C08G18/76 ; C08G18/48 ; C08G65/48
Abstract:
The invention concerns a new polyol composition from isopropylidenediphenol-based polyethers, which are used in an advantageous manner for the production of polyurethane-polyisocyanurate (PUR-/PIR) rigid foams, as well as their production and use in PUR/PIR rigid foams.
Public/Granted literature
- US20180171062A1 RIGID PUR/PIR FOAMS OF ISOPROPYLIDENEDIPHENOL-BASED POLYETHERS Public/Granted day:2018-06-21
Information query
