Global Patent Index - EP 1682645 B1

EP 1682645 B1 20090211 - USE OF COPOLYMERS, CONTAINING ALKYLENE OXIDE UNITS, AS DEPOSIT INHIBITOR ADDITIVES IN RINSING COMPOSITIONS OF A DISHWASHER

Title (en)

USE OF COPOLYMERS, CONTAINING ALKYLENE OXIDE UNITS, AS DEPOSIT INHIBITOR ADDITIVES IN RINSING COMPOSITIONS OF A DISHWASHER

Title (de)

VERWENDUNG VON ALKYLENOXIDEINHEITEN ENTHALTENDEN COPOLYMEREN ALS BELAGSINHIBIERENDE ADDITIVE IN KLARSPÜLMITTELN FÜR MASCHINELLE GESCHIRRSPÜLER

Title (fr)

UTILISATION DE COPOLYMERES CONTENANT DES UNITES OXYDE D'ALKYLENE COMME ADDITIFS INHIBITEURS DE DEPOT DANS DES COMPOSITIONS DE RINCAGE D'UN LAVE-VAISSELLE

Publication

EP 1682645 B1 20090211 (DE)

Application

EP 04790785 A 20041023

Priority

  • EP 2004011994 W 20041023
  • DE 10350420 A 20031028

Abstract (en)

[origin: US7530360B2] Use of copolymers comprising alkylene oxide units and comprising, in randomly or blockwise copolymerized form, (a) 50 to 93 mol % of acrylic acid and/or a water-soluble salt of acrylic acid, (b) 5 to 30 mol % of methacrylic acid and/or a water-soluble salt of methacrylic acid and (c) 2 to 20 mol % of at least one nonionic monomer of the formula I in which the variables have the following meanings: R1 is hydrogen or methyl; R2 is a chemical bond or unbranched or branched C1-C6-alkylene; R3 is identical or different unbranched or branched C2-C4-alkylene radicals; R4 is unbranched or branched C1-C6-alkyl; n is 3 to 50, as deposit-inhibiting additives in the rinsing cycle of a dishwasher.

IPC 8 full level

C11D 3/37 (2006.01); C11D 17/00 (2006.01)

CPC (source: EP US)

C11D 3/3757 (2013.01 - EP US); C11D 17/0091 (2013.01 - EP US)

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 PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005042684 A1 20050512; AT E422533 T1 20090215; CA 2543543 A1 20050512; DE 10350420 A1 20050602; DE 502004008984 D1 20090326; EP 1682645 A1 20060726; EP 1682645 B1 20090211; ES 2318349 T3 20090501; JP 2007510021 A 20070419; US 2007082831 A1 20070412; US 7530360 B2 20090512

DOCDB simple family (application)

EP 2004011994 W 20041023; AT 04790785 T 20041023; CA 2543543 A 20041023; DE 10350420 A 20031028; DE 502004008984 T 20041023; EP 04790785 A 20041023; ES 04790785 T 20041023; JP 2006537146 A 20041023; US 57726104 A 20041023