Global Patent Index - EP 2079662 A2

EP 2079662 A2 20090722 - STABLE AQUEOUS SILICA DISPERSIONS

Title (en)

STABLE AQUEOUS SILICA DISPERSIONS

Title (de)

STABILE WÄSSRIGE DISPERSIONEN VON SILICIUMDIOXID

Title (fr)

DISPERSIONS AQUEUSES STABLES DE DIOXYDE DE SILICIUM

Publication

EP 2079662 A2 20090722 (DE)

Application

EP 07821445 A 20071017

Priority

  • EP 2007061080 W 20071017
  • DE 102006049526 A 20061020

Abstract (en)

[origin: WO2008046854A2] The invention relates to silica dispersions that have a long shelf-life, to a method for producing the same and to their use in the construction industry as concrete admixtures and in the paper industry for producing or coating paper.

IPC 8 full level

C01B 33/141 (2006.01); C01B 33/20 (2006.01)

CPC (source: EP KR US)

C01B 33/141 (2013.01 - KR); C01B 33/1417 (2013.01 - EP US); C01B 33/20 (2013.01 - KR); C04B 14/04 (2013.01 - KR); D21H 19/00 (2013.01 - KR)

Citation (search report)

See references of WO 2008046854A2

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)

DE 102006049526 A1 20080424; CN 101568491 A 20091028; CN 104692396 A 20150610; EP 2079662 A2 20090722; JP 2010506814 A 20100304; JP 5550344 B2 20140716; KR 101402511 B1 20140603; KR 20090079961 A 20090722; US 2010319582 A1 20101223; US 8545618 B2 20131001; WO 2008046854 A2 20080424; WO 2008046854 A3 20080612

DOCDB simple family (application)

DE 102006049526 A 20061020; CN 200780047562 A 20071017; CN 201510083790 A 20071017; EP 07821445 A 20071017; EP 2007061080 W 20071017; JP 2009532793 A 20071017; KR 20097010197 A 20071017; US 44636507 A 20071017