Global Patent Index - EP 2228428 B1

EP 2228428 B1 20130116 - Scale-reducing additive for automatic dishwashing systems

Title (en)

Scale-reducing additive for automatic dishwashing systems

Title (de)

Wassersteinreduzierendes Additiv für automatische Geschirrspülsysteme

Title (fr)

Additif de réduction de tartre pour systèmes de lavage automatique de la vaisselle

Publication

EP 2228428 B1 20130116 (EN)

Application

EP 10154198 A 20100222

Priority

  • US 21002509 P 20090313
  • US 33730010 P 20100202

Abstract (en)

[origin: EP2228428A1] A phosphorus-free automatic dishwashing detergent composition containing a polymer of acrylic acid, maleic acid and 2-acrylamido-2-methylpropanesulfonic acid (AMPS); a carbonate; and a silicate. The composition contains carbonate and silicate in a weight ratio from 2.5:1 to 1:4, respectively; from 10 to 90 wt% total carbonate and silicate.

IPC 8 full level

C11D 3/37 (2006.01); C11D 3/08 (2006.01); C11D 3/10 (2006.01); C11D 7/12 (2006.01); C11D 7/14 (2006.01)

CPC (source: EP)

C11D 3/08 (2013.01); C11D 3/10 (2013.01); C11D 3/378 (2013.01); C11D 7/12 (2013.01); C11D 7/14 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

EP 2228428 A1 20100915; EP 2228428 B1 20130116; CA 2696155 A1 20100913; CA 2696155 C 20130423; JP 2014028870 A 20140213; JP 5544192 B2 20140709

DOCDB simple family (application)

EP 10154198 A 20100222; CA 2696155 A 20100310; JP 2010041457 A 20100226