EP 2580256 A2 20130417 - WATER-ABSORBING POLYMER PARTICLES WITH IMPROVED COLOUR STABILITY
Title (en)
WATER-ABSORBING POLYMER PARTICLES WITH IMPROVED COLOUR STABILITY
Title (de)
WASSERABSORBIERENDE POLYMERPARTIKEL MIT VERBESSERTER FARBSTABILITÄT
Title (fr)
PARTICULES POLYMÈRES HYDROABSORBANTES PRÉSENTANT UNE STABILITÉ DE COULEUR AMÉLIORÉE
Publication
Application
Priority
- EP 10165823 A 20100614
- EP 2011059710 W 20110610
- EP 11726118 A 20110610
Abstract (en)
[origin: WO2011157656A2] The invention relates to water-absorbing polymer particles with improved colour stability and to processes for preparing them, the water-absorbing polymer particles comprising at least one optical brightening agent.
IPC 8 full level
C08F 220/06 (2006.01); C08F 2/44 (2006.01); C08K 5/00 (2006.01)
CPC (source: EP KR US)
A61F 13/15 (2013.01 - KR); B01J 20/26 (2013.01 - KR); C08F 2/44 (2013.01 - EP KR); C08F 220/06 (2013.01 - EP KR US); C08K 5/0025 (2013.01 - EP); C08K 5/0041 (2013.01 - EP)
Citation (search report)
See references of WO 2011157656A2
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
DOCDB simple family (publication)
WO 2011157656 A2 20111222; WO 2011157656 A3 20120726; BR 112012031895 A2 20161108; CN 103068861 A 20130424; CN 103068861 B 20151125; EP 2580256 A2 20130417; JP 2013530281 A 20130725; JP 5766283 B2 20150819; KR 20130096218 A 20130829
DOCDB simple family (application)
EP 2011059710 W 20110610; BR 112012031895 A 20110610; CN 201180038595 A 20110610; EP 11726118 A 20110610; JP 2013514660 A 20110610; KR 20137000789 A 20110610