EP 1838463 B2 20190814 - METHOD FOR GRADING A PARTICULATE WATER-ABSORBING RESIN
Title (en)
METHOD FOR GRADING A PARTICULATE WATER-ABSORBING RESIN
Title (de)
VERFAHREN ZUM KLASSIEREN EINES TEILCHENFÖRMIGEN WASSERABSORBIERENDEN HARZES
Title (fr)
PROCEDE DE CALIBRAGE D'UNE RESINE PARTICULAIRE HYDROABSORBANTE
Publication
Application
Priority
- EP 2005014163 W 20051231
- DE 102005001789 A 20050113
Abstract (en)
[origin: WO2006074816A1] The invention relates to a method for grading a particulate water-absorbing resin, by means of a sieve device at a reduced pressure relative to ambient pressure and a sieve device for grading a particulate water-absorbing resin at a reduced pressure relative to ambient pressure.
IPC 8 full level
B07B 1/46 (2006.01); B07B 1/40 (2006.01); B07B 1/56 (2006.01)
CPC (source: EP US)
B07B 1/40 (2013.01 - EP US); B07B 1/46 (2013.01 - EP US); B07B 1/56 (2013.01 - EP US)
Citation (opposition)
Opponent :
- WO 0010619 A1 20000302 - STOCKHAUSEN CHEM FAB GMBH [DE]
- EP 0780424 A1 19970625 - NIPPON CATALYTIC CHEM IND [JP]
- JP H11179187 A 19990706 - TELNITE LTD
- JP H06126252 A 19940510 - UBE INDUSTRIES
- EP 1462473 A1 20040929 - NIPPON CATALYTIC CHEM IND [JP]
- EP 1178059 A2 20020206 - NIPPON CATALYTIC CHEM IND [JP]
- EP 1367081 A1 20031203 - NIPPON CATALYTIC CHEM IND [JP]
- US 2003087983 A1 20030508 - KAJIKAWA KATSUHIRO [JP], et al
- JP 2003320308 A 20031111 - SUMITOMO CHEMICAL CO
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 NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006074816 A1 20060720; AT E513627 T1 20110715; CN 101102854 A 20080109; CN 101102854 B 20130417; DE 102005001789 A1 20060727; EP 1838463 A1 20071003; EP 1838463 B1 20110622; EP 1838463 B2 20190814; JP 2008526498 A 20080724; TW 200631676 A 20060916; US 2008202987 A1 20080828; US 8104621 B2 20120131
DOCDB simple family (application)
EP 2005014163 W 20051231; AT 05821876 T 20051231; CN 200580046589 A 20051231; DE 102005001789 A 20050113; EP 05821876 A 20051231; JP 2007550714 A 20051231; TW 95101500 A 20060113; US 81330605 A 20051231