EP 1756183 A1 20070228 - METHOD FOR PRODUCING POLYMERS THAT ARE PREDOMINANTLY FORMED FROM VINYL FORMAMIDE
Title (en)
METHOD FOR PRODUCING POLYMERS THAT ARE PREDOMINANTLY FORMED FROM VINYL FORMAMIDE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON ÜBERWIEGEND AUS VINYLFORMAMID AUFGEBAUTEN POLYMEREN
Title (fr)
PROCEDE POUR PRODUIRE DES POLYMERES FORMES PRINCIPALEMENT DE VINYLFORMAMIDE
Publication
Application
Priority
- EP 2005004339 W 20050422
- DE 102004022256 A 20040504
Abstract (en)
[origin: WO2005108445A1] The invention relates to a method for producing polymers that are predominantly formed from vinyl formamide and that contain a small amount of residual vinyl formamide monomers. Said method comprises the radical polymerisation of: (a) 49.9 - 99.9 wt. % N-vinyl formamide; (b) 0 - 50 wt. % of one or more radically polymerisable monomers; (c) 0.1 - 5 wt. % of at least one monomer from the group containing N-vinyl pyrrolidone, N-vinyl-N-methyl-acetamide, N-vinyl caprolactam and N-vinyl piperidone, whereby the monomer (c) is only added for the polymerisation when the fraction of monomer (a) that has not yet been polymerised is < 5 wt. %.
IPC 8 full level
C08F 226/00 (2006.01); A61K 8/81 (2006.01); A61Q 5/00 (2006.01); A61Q 5/12 (2006.01); A61Q 19/00 (2006.01); C08F 8/12 (2006.01); C08F 226/02 (2006.01); D21H 17/54 (2006.01)
CPC (source: EP US)
A61K 8/8182 (2013.01 - EP US); A61Q 19/00 (2013.01 - EP US); C08F 8/12 (2013.01 - EP US); C08F 226/02 (2013.01 - EP US); A61Q 5/00 (2013.01 - EP US); C08F 226/06 (2013.01 - EP US)
Citation (search report)
See references of WO 2005108445A1
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 MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005108445 A1 20051117; CN 100523026 C 20090805; CN 1950407 A 20070418; DE 102004022256 A1 20051201; EP 1756183 A1 20070228; JP 2007536419 A 20071213; US 2007197767 A1 20070823
DOCDB simple family (application)
EP 2005004339 W 20050422; CN 200580014128 A 20050422; DE 102004022256 A 20040504; EP 05737094 A 20050422; JP 2007511926 A 20050422; US 54779905 A 20050422