Global Patent Index - EP 0626004 A1

EP 0626004 A1 19941130 - METHOD OF STABILIZING AQUEOUS ZEOLITE SUSPENSIONS.

Title (en)

METHOD OF STABILIZING AQUEOUS ZEOLITE SUSPENSIONS.

Title (de)

VERFAHREN ZUR STABILISIERUNG VON WÄSSRIGEN ZEOLITH-SUSPENSIONEN.

Title (fr)

PROCEDE DE STABILISATION DE SUSPENSIONS AQUEUSES DE ZEOLITES.

Publication

EP 0626004 A1 19941130 (DE)

Application

EP 93909530 A 19930201

Priority

  • DE 4203789 A 19920210
  • EP 9300227 W 19930201

Abstract (en)

[origin: WO9316159A1] Disclosed is method of stabilizing aqueous zeolite suspensions by adding fatty-alcohol poly(ethylene glycol) ethers of the formula (I): R?1O-(CH2?CH2?O)n?H, in which R?1 is an aliphatic alkyl or alkenyl group with 12 to 18 carbon atoms and n is a number from 4 to 7.

Abstract (fr)

Des suspensions aqueuses de zéolites sont stabilisées en ajoutant à celles-ci un polyéthylèneglycoléther d'alcool gras ayant la formule (I): R1O-(CH2CH2O)nH dans laquelle R1 désigne un reste alkyle ou alcényle aliphatique de 12 à 18 atomes de carbone, et n est un nombre compris entre 4 et 7.

IPC 1-7

C11D 3/12; C11D 1/825

IPC 8 full level

C11D 1/72 (2006.01); C09K 23/42 (2022.01); C11D 1/825 (2006.01); C11D 3/12 (2006.01)

CPC (source: EP KR US)

C11D 3/12 (2013.01 - KR); C11D 3/1286 (2013.01 - EP US)

Citation (search report)

See references of WO 9316159A1

Designated contracting state (EPC)

BE DE ES GB IT NL

DOCDB simple family (publication)

WO 9316159 A1 19930819; DE 4203789 A1 19930812; DE 59302613 D1 19960620; EP 0626004 A1 19941130; EP 0626004 B1 19960515; ES 2086940 T3 19960701; JP H07503493 A 19950413; KR 950700398 A 19950116; US 5501817 A 19960326

DOCDB simple family (application)

EP 9300227 W 19930201; DE 4203789 A 19920210; DE 59302613 T 19930201; EP 93909530 A 19930201; ES 93909530 T 19930201; JP 51373093 A 19930201; KR 19940702702 A 19940805; US 28459494 A 19940810