Patent ID: 8262804
Filing Date: 2012-09-11
Classification: C11D

Abstract:
1. A phosphate-free detergent formulation for machine dishwashing, comprising, as components: a) from 1 to 20% by weight of a mixture of hydrophobically modified polycarboxylates a1) and hydrophilically modified polycarboxylates a2), comprising where the sum of a1) and a2) adds up to 100% by weight, b) from 0 to 50% by weight of complexing agents, c) from 0.1 to 20% by weight of low-foam nonionic surfactants, d) from 0.1 to 30% by weight of bleaches and optionally bleach activators, e) from 0 to 60% by weight of further builders, f) from 0 to 8% by weight of enzymes, and g) from 0 to 50% by weight of one or more further additives, selected from anionic or zwitterionic surfactants, bleach catalysts, alkali carriers, corrosion inhibitors, defoamers, dyes, fragrances, fillers, organic solvents and water, where the sum of components a) to g) adds up to 100% by weight.