EP 3997152 A1 20220518 - PROCESS FOR PRODUCING NDI PREPOLYMERS
Title (en)
PROCESS FOR PRODUCING NDI PREPOLYMERS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON NDI-PREPOLYMEREN
Title (fr)
PROCÉDÉ DE PRODUCTION DE PRÉPOLYMÈRES DE NDI
Publication
Application
Priority
- US 201962872747 P 20190711
- US 2020041485 W 20200710
Abstract (en)
[origin: WO2021007467A1] The present invention relates to a process for producing naphthalene diisocyanate (NDI) prepolymer and the production of polyurethane polymers from such prepolymers.
IPC 8 full level
C08G 18/76 (2006.01); C08G 18/10 (2006.01); C08G 18/12 (2006.01); C08G 18/42 (2006.01); C08G 18/44 (2006.01); C08G 18/48 (2006.01); C08G 18/67 (2006.01)
CPC (source: CN EP)
C08G 18/10 (2013.01 - CN EP); C08G 18/12 (2013.01 - CN EP); C08G 18/32 (2013.01 - CN); C08G 18/4238 (2013.01 - CN EP); C08G 18/4277 (2013.01 - CN EP); C08G 18/44 (2013.01 - CN EP); C08G 18/48 (2013.01 - CN EP); C08G 18/67 (2013.01 - CN EP); C08G 18/7678 (2013.01 - CN EP)
C-Set (source: EP)
Citation (search report)
See references of WO 2021007467A1
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
DOCDB simple family (publication)
WO 2021007467 A1 20210114; CN 114008101 A 20220201; EP 3997152 A1 20220518
DOCDB simple family (application)
US 2020041485 W 20200710; CN 202080046239 A 20200710; EP 20751416 A 20200710