EP 2091992 A1 20090826 - POLYPHENYLENEPOLYMETHYLENE POLYISOCYANATE AND ITS USE FOR PRODUCING POLYURETHANE FOAMS
Title (en)
POLYPHENYLENEPOLYMETHYLENE POLYISOCYANATE AND ITS USE FOR PRODUCING POLYURETHANE FOAMS
Title (de)
POLYPHENYLENPOLYMETHYLENPOLYISOCYANAT UND SEINE VERWENDUNG ZUR HERSTELLUNG VON POLYURETHAN-SCHAUMSTOFFEN
Title (fr)
POLYPHÉNYLÈNE POLYMÉTHYLÈNE POLYISOCYANATE ET SON UTILISATION POUR LA FABRICATION DE MOUSSES EN POLYURÉTHANNE
Publication
Application
Priority
- EP 2007062188 W 20071112
- EP 06124306 A 20061117
- EP 07822476 A 20071112
Abstract (en)
[origin: WO2008058920A1] The invention relates to polyphenylenepolymethylene polyisocyanates (B) comprising (B1) the 2-ring product of polyphenylenepolymethylene polyisocyanate (B2) the 3-ring product of polyphenylenepolymethylene polyisocyanate (B3) the 4-ring product of polyphenylenepolymethylene polyisocyanate (B4) the 5-ring product of polyphenylenepolymethylene polyisocyanate, wherein the constituents (B2), (B3) and (B4) are, at a content of (B1) up to 55% by weight, based on the weight of (B), present in a weight ratio of (B2) : (B3) : (B4) of 8 ± 4 : 3.5 ± 1.8 : 1.2 ± 0.9 and the component (B) comprises at least 85% by weight, based on the weight of the component (B), of the constituents (B1), (B2), (B3) and (B4).
IPC 8 full level
C08G 18/76 (2006.01); C07C 263/20 (2006.01)
CPC (source: EP KR US)
C07C 263/20 (2013.01 - KR); C08G 18/08 (2013.01 - KR); C08G 18/283 (2013.01 - EP KR US); C08G 18/4018 (2013.01 - EP US); C08G 18/4252 (2013.01 - EP KR US); C08G 18/4816 (2013.01 - EP KR US); C08G 18/62 (2013.01 - KR); C08G 18/6677 (2013.01 - EP KR US); C08G 18/76 (2013.01 - KR); C08G 18/7664 (2013.01 - EP KR US); C08G 18/797 (2013.01 - EP KR US); C08G 2110/0025 (2021.01 - EP US)
Citation (search report)
See references of WO 2008058920A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008058920 A1 20080522; CN 101563387 A 20091021; CN 101563387 B 20120201; EP 2091992 A1 20090826; JP 2010510339 A 20100402; KR 20090091739 A 20090828; US 2010076101 A1 20100325
DOCDB simple family (application)
EP 2007062188 W 20071112; CN 200780042797 A 20071112; EP 07822476 A 20071112; JP 2009536712 A 20071112; KR 20097011536 A 20071112; US 51351507 A 20071112