Dishwasher detergent containing metal complexes

US10358621B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Christian Kropf · Hilden, DE
• Nadine Bluhm · Goldkronach, DE
• Inga Kerstin Vockenroth · Goldkronach, DE
• Noelle Wrubbel · Goldkronach, DE

Key dates

• Filing date: Oct 21, 2015
• Grant date: Jul 23, 2019
• Expiry date: Dec 4, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/14
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present disclosure relates to an automatic dishwasher detergent which comprises metal complex of formula Mn+L(Am−)n/m, wherein M is a metal cation, A is an arbitrary anion, n and m are integers selected from 1 to 6, and L is a neutral ligand of formula (II), wherein each X is as defined herein, and which exhibits improved cleaning performance in the removal of burnt-on soiling, to the use of this dishwasher detergent, and to a method for automatically washing dishes using this dishwasher detergent.