EP 4208493 A1 20230712 - ISOCYANATE-TERMINATED PREPOLYMERS BASED ON POLYOXYMETHYLENE-POLYOXYALKYLENE BLOCK COPOLYMERS, PROCESS FOR THE PREPARATION AND USE THEREOF
Title (en)
ISOCYANATE-TERMINATED PREPOLYMERS BASED ON POLYOXYMETHYLENE-POLYOXYALKYLENE BLOCK COPOLYMERS, PROCESS FOR THE PREPARATION AND USE THEREOF
Title (de)
ISOCYANAT-TERMINIERTE PREPOLYMERE AUF BASIS VON POLYOXYMETHYLEN-POLYOXYALKYLEN-BLOCKCOPOLYMEREN, VERFAHREN ZUR DEREN HERSTELLUNG UND DEREN VERWENDUNG
Title (fr)
PRÉPOLYMÈRES À TERMINAISON ISOCYANATE À BASE DE COPOLYMÈRES BLOCS POLYOXYMÉTHYLÈNE-POLYOXYALKYLÈNE, PROCÉDÉ POUR LEUR PRODUCTION ET LEUR UTILISATION
Publication
Application
Priority
- EP 20193788 A 20200901
- EP 2021073822 W 20210830
Abstract (en)
[origin: WO2022049012A1] The present invention relates to isocyanate-terminated prepolymers based on polyoxymethylene-polyoxyalkylene block copolymers, to a process for their preparation, and to the use of these isocyanate-terminated prepolymers as isocyanate components in 1- and 2-component systems for coatings, adhesives and sealants.
IPC 8 full level
C08G 18/48 (2006.01); C08G 18/50 (2006.01); C08G 18/56 (2006.01); C08G 18/76 (2006.01); C08L 59/04 (2006.01)
CPC (source: EP KR US)
C08G 18/10 (2013.01 - US); C08G 18/307 (2013.01 - US); C08G 18/482 (2013.01 - EP KR); C08G 18/4866 (2013.01 - EP KR); C08G 18/5021 (2013.01 - EP KR US); C08G 18/56 (2013.01 - EP KR); C08G 18/7664 (2013.01 - EP KR); C08L 59/04 (2013.01 - EP KR); C09J 175/08 (2013.01 - US); C08G 2150/00 (2013.01 - US); C08G 2170/00 (2013.01 - US); C08G 2190/00 (2013.01 - US)
Citation (search report)
See references of WO 2022049012A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 3960783 A1 20220302; CN 115996968 A 20230421; EP 4208493 A1 20230712; JP 2023539503 A 20230914; KR 20230058627 A 20230503; US 2023235110 A1 20230727; WO 2022049012 A1 20220310
DOCDB simple family (application)
EP 20193788 A 20200901; CN 202180053714 A 20210830; EP 2021073822 W 20210830; EP 21769708 A 20210830; JP 2023513803 A 20210830; KR 20237006680 A 20210830; US 202118042800 A 20210830