EP 1735356 A2 20061227 - USE OF COPOLYMERS FOR REDUCING PRECIPITATES AND DEPOSITS FROM INORGANIC AND ORGANIC IMPURITIES IN THE BAYER PROCESS FOR THE EXTRACTION OF ALUMINIUM HYDROXIDE
Title (en)
USE OF COPOLYMERS FOR REDUCING PRECIPITATES AND DEPOSITS FROM INORGANIC AND ORGANIC IMPURITIES IN THE BAYER PROCESS FOR THE EXTRACTION OF ALUMINIUM HYDROXIDE
Title (de)
VERWENDUNG VON COPOLYMERISATEN ZUR VERRINGERUNG VON AUSFÄLLUNGEN UND BELÄGEN DURCH ANORGANISCHE UND ORGANISCHE VERUNREINIGUNGEN IM BAYER PROZESS ZUR GEWINNUNG VON ALUMINIUMHYDROXID
Title (fr)
UTILISATION DE PRODUITS DE COPOLYMERISATION POUR REDUIRE DES PRECIPITATIONS ET DES DEPOTS DUS A DES IMPURETES INORGANIQUES ET ORGANIQUES DANS LE PROCEDE BAYER POUR LA PRODUCTION D'HYDROXYDE D'ALUMINIUM
Publication
Application
Priority
- EP 2005002093 W 20050228
- DE 102004017034 A 20040402
Abstract (en)
[origin: WO2005095477A2] The invention relates to the use of water-soluble copolymers, formed from monoethylenically-unsaturated monomers, comprising acid groups (a) and at least one unsaturated double-bond containing hydrophobic component (b) in the Bayer process liquors as means for reducing precipitates and deposit formations arising from inorganic and organic impurities.
IPC 8 full level
C01F 7/066 (2022.01); C08F 220/00 (2006.01); C01F 7/0606 (2022.01); C08F 2/00 (2006.01)
CPC (source: EP US)
C01F 7/0606 (2013.01 - EP US); C01F 7/066 (2013.01 - EP US); C08F 2/005 (2013.01 - EP US)
Citation (search report)
See references of WO 2005095477A2
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 2005095477 A2 20051013; WO 2005095477 A3 20060202; AU 2005229337 A1 20051013; BR PI0509398 A 20070918; CA 2561407 A1 20051013; CN 1953999 A 20070425; DE 102004017034 A1 20051020; EP 1735356 A2 20061227; RU 2006138500 A 20080510; RU 2365595 C2 20090827; US 2009008335 A1 20090108
DOCDB simple family (application)
EP 2005002093 W 20050228; AU 2005229337 A 20050228; BR PI0509398 A 20050228; CA 2561407 A 20050228; CN 200580015869 A 20050228; DE 102004017034 A 20040402; EP 05752621 A 20050228; RU 2006138500 A 20050228; US 54750605 A 20050228