EP 1590064 A4 20071121 - POLYVINYL ALCOHOL FILTER MEDIA
Title (en)
POLYVINYL ALCOHOL FILTER MEDIA
Title (de)
POLYVINYLALKOHOLFILTERMEDIEN
Title (fr)
MILIEU FILTRANT D'ALCOOL POLYVINYLIQUE
Publication
Application
Priority
- US 0341099 W 20031224
- US 43631802 P 20021224
Abstract (en)
[origin: WO2004058374A2] Filters comprising water-soluble polyvinyl alcohol material are disclosed. Methods of making and using filters formed from water-soluble polyvinyl alcohol material are also disclosed.
IPC 1-7
IPC 8 full level
B01D 39/16 (2006.01); D04H 13/00 (2006.01)
CPC (source: EP KR US)
B01D 39/08 (2013.01 - KR); B01D 39/083 (2013.01 - EP US); B01D 39/1623 (2013.01 - EP US); B01D 39/18 (2013.01 - EP US); B01D 2239/0407 (2013.01 - EP US); B01D 2239/0654 (2013.01 - EP US); B01D 2239/0695 (2013.01 - EP US); B01D 2239/1216 (2013.01 - EP US); Y10T 442/30 (2015.04 - EP US); Y10T 442/40 (2015.04 - EP US); Y10T 442/60 (2015.04 - EP US)
Citation (search report)
- [Y] US 3834547 A 19740910 - RENJILIAN A
- [YA] US 3616603 A 19711102 - WARNER JOHN GLENN
- [AD] US 2002185448 A1 20021212 - CHISHOLM ROBERT D [US], et al
- See references of WO 2004058374A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004058374 A2 20040715; WO 2004058374 A3 20041007; AU 2003299860 A1 20040722; AU 2003299860 A8 20040722; CA 2507041 A1 20040715; CN 1732036 A 20060208; EP 1590064 A2 20051102; EP 1590064 A4 20071121; JP 2006521911 A 20060928; KR 20050085868 A 20050829; RU 2005123383 A 20060120; RU 2327507 C2 20080627; UA 81651 C2 20080125; US 2004192135 A1 20040930
DOCDB simple family (application)
US 0341099 W 20031224; AU 2003299860 A 20031224; CA 2507041 A 20031224; CN 200380107376 A 20031224; EP 03800134 A 20031224; JP 2004564007 A 20031224; KR 20057011761 A 20050622; RU 2005123383 A 20031224; UA 2005007322 A 20031224; US 74615203 A 20031224