EP 2076338 B1 20121219 - METHOD FOR GRADING WATER-ABSORBENT POLYMER PARTICLES
Title (en)
METHOD FOR GRADING WATER-ABSORBENT POLYMER PARTICLES
Title (de)
VERFAHREN ZUM KLASSIEREN WASSERABSORBIERENDER POLYMERPARTIKEL
Title (fr)
PROCÉDÉ DESTINÉ À CLASSER DES PARTICULES POYLMÈRES ABSORBANT L'EAU
Publication
Application
Priority
- EP 06121228 A 20060925
- EP 2007060076 W 20070924
Abstract (en)
[origin: WO2008037675A1] The invention relates to a method for grading water-absorbent polymer particles. The invention is characterized in that the polymer particles are separated into n grain size fractions by means of at least n sieves, n being an integer greater than 1.
IPC 8 full level
B07B 1/46 (2006.01)
CPC (source: EP US)
B07B 1/00 (2013.01 - US); B07B 1/46 (2013.01 - EP US); B07B 4/08 (2013.01 - US)
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 2008037675 A1 20080403; CN 101516531 A 20090826; CN 101516531 B 20140521; EP 2076338 A1 20090708; EP 2076338 B1 20121219; EP 2076338 B2 20220126; JP 2010504211 A 20100212; JP 2015145507 A 20150813; JP 5888836 B2 20160322; JP 6157534 B2 20170705; US 2009266747 A1 20091029; US 2013098809 A1 20130425; US 8443982 B2 20130521; US 8844729 B2 20140930
DOCDB simple family (application)
EP 2007060076 W 20070924; CN 200780035437 A 20070924; EP 07820483 A 20070924; JP 2009529676 A 20070924; JP 2015081511 A 20150413; US 201213714157 A 20121213; US 43868207 A 20070924