EP 0000016 B1 19800723 - PROCESS FOR THE PREPARATION OF ALLOPHANATES-SUBSTITUTED POLYISOCYANATES AND THEIR USE IN THE MANUFACTURE OF POLYURETHANE PRODUCTS
Title (en)
PROCESS FOR THE PREPARATION OF ALLOPHANATES-SUBSTITUTED POLYISOCYANATES AND THEIR USE IN THE MANUFACTURE OF POLYURETHANE PRODUCTS
Publication
Application
Priority
DE 2725318 A 19770604
Abstract (en)
[origin: ES470460A1] This invention relates to a new process for the preparation of new organic polyisocyanates having at least three isocyanate groups and containing allophanate groups, to the polyisocyanates obtainable by this process, and to their use as components for the production of polyurethane resins.
IPC 1-7
IPC 8 full level
C08G 18/00 (2006.01); C07C 67/00 (2006.01); C07C 239/00 (2006.01); C07C 241/00 (2006.01); C07C 265/00 (2006.01); C07C 265/14 (2006.01); C07C 269/02 (2006.01); C07C 273/18 (2006.01); C08G 18/32 (2006.01); C08G 18/78 (2006.01); C08G 18/80 (2006.01); C07C 275/60 (2006.01)
CPC (source: EP US)
C07C 273/1836 (2013.01 - EP US); C08G 18/7818 (2013.01 - EP US); C08G 18/7837 (2013.01 - EP US); C08G 18/8058 (2013.01 - EP US)
C-Set (source: EP US)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0000016 A1 19781220; EP 0000016 B1 19800723; DE 2725318 A1 19781214; DE 2860034 D1 19801113; ES 470460 A1 19790101; IT 7849672 A0 19780602; JP S543013 A 19790111; JP S6123807 B2 19860607; US 4177342 A 19791204
DOCDB simple family (application)
EP 78100028 A 19780601; DE 2725318 A 19770604; DE 2860034 T 19780601; ES 470460 A 19780602; IT 4967278 A 19780602; JP 6587578 A 19780602; US 90923978 A 19780524