EP 0352358 A1 19900131 - Stable aqueous suspensions of inorganic silica-based materials insoluble in water.
Title (en)
Stable aqueous suspensions of inorganic silica-based materials insoluble in water.
Title (de)
Stabile wasserhaltige Suspensionen aus anorganischen in Wasser unlöslichen Materialien auf der Basis von Kieselerde.
Title (fr)
Suspensions aqueuses et stables de matériaux inorganiques à base de silice, insolubles dans l'eau.
Publication
Application
Priority
- EP 88112299 A 19880729
- US 66015691 A 19910221
Abstract (en)
Aqueous suspensions of a silica-based inorganic material insoluble in water and in a finely subdivided form, stabilized with at least one organic polymeric compound containing hydroxylic groups and with an ammonium or phosphonium quaternary compound of the formula: <CHEM> wherein: B is nitrogen or phosphorus; A is either mono or polyvalent anion, while A1<-> is SO3<-> or COO<->.
IPC 1-7
IPC 8 full level
C11D 3/12 (2006.01); C11D 3/22 (2006.01); C11D 17/00 (2006.01)
CPC (source: EP)
C11D 3/1286 (2013.01); C11D 3/222 (2013.01); C11D 17/0013 (2013.01)
Citation (search report)
- [A] DE 2550900 A1 19760520 - PROCTER & GAMBLE EUROP
- [A] US 3325415 A 19670613 - JOSEPH KENNEY EDWARD, et al
- [A] GB 2125452 A 19840307 - LION CORP
- [A] FR 2268071 A1 19751114 - PROCTER & GAMBLE [US]
- [AD] EP 0154291 A2 19850911 - HENKEL KGAA [DE]
- [A] FR 2340276 A1 19770902 - HENKEL & CIE GMBH [DE]
- [A] US 3629139 A 19711221 - VOSSOS PETER H
- [A] FR 1549014 A 19681206
Designated contracting state (EPC)
AT BE CH DE FR GB LI NL
DOCDB simple family (publication)
DOCDB simple family (application)
EP 88112299 A 19880729