EP 1117696 A1 20010725 - METHOD FOR PRODUCING POWDER-SHAPED CROSS-LINKED POLYMERIZATES
Title (en)
METHOD FOR PRODUCING POWDER-SHAPED CROSS-LINKED POLYMERIZATES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON PULVERFÖRMIGEN VERNETZTEN POLYMERISATEN
Title (fr)
PROCEDE DE PRODUCTION DE POLYMERISATS RETICULES PULVERULENTS
Publication
Application
Priority
- DE 19833287 A 19980724
- EP 9904868 W 19990712
Abstract (en)
[origin: DE19833287A1] Production of crosslinked cationic polymers in powder form comprises polymerizing monoethylenically unsaturated monomers containing a quaternized or quaternizable nitrogen atom in supercritical carbon dioxide while mixing at a temperature of 31-150 deg C and a pressure above 73 bar.
IPC 1-7
IPC 8 full level
A61K 8/72 (2006.01); A61K 8/81 (2006.01); A61K 47/32 (2006.01); A61Q 5/00 (2006.01); A61Q 19/00 (2006.01); C08F 2/04 (2006.01); C08F 2/06 (2006.01); C08F 8/24 (2006.01); C08F 8/36 (2006.01); C08F 212/34 (2006.01); C08F 216/12 (2006.01); C08F 218/04 (2006.01); C08F 220/00 (2006.01); C08F 226/00 (2006.01); C08F 226/10 (2006.01); C08F 230/00 (2006.01); C08F 236/00 (2006.01); A61K 9/20 (2006.01)
CPC (source: EP US)
A61K 8/817 (2013.01 - EP US); A61K 8/8182 (2013.01 - EP US); A61Q 5/00 (2013.01 - EP US); A61Q 19/00 (2013.01 - EP US); C08F 2/06 (2013.01 - EP US); C08F 226/10 (2013.01 - EP US); A61K 9/2027 (2013.01 - EP US); A61K 2800/5426 (2013.01 - EP US); Y02P 20/54 (2015.11 - EP US)
Citation (search report)
See references of WO 0005274A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19833287 A1 20000127; CN 1311798 A 20010905; EP 1117696 A1 20010725; JP 2002521505 A 20020716; US 6482917 B1 20021119; WO 0005274 A1 20000203
DOCDB simple family (application)
DE 19833287 A 19980724; CN 99809072 A 19990712; EP 9904868 W 19990712; EP 99932863 A 19990712; JP 2000561229 A 19990712; US 72091601 A 20010102