Dishwashing detergents containing a salicylidene-based chelant

US11118139B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Sascha Schaefer · Bad Camberg, DE
• Inga Kerstin Vockenroth · Goldkronach, DE
• Thomas Weber · Dormagen, DE
• Britta Strauss · Solingen, DE
• Iris Dienwiebel · Lengerich, DE

Key dates

• Filing date: Jan 6, 2020
• Grant date: Sep 14, 2021
• Expiry date: Jan 6, 2040

Classification

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

Abstract

The object of the present invention is to provide a detergent, especially a dishwashing detergent, with improved detergency. Detergent compositions having metal complexes with certain salicylidene ligands, which may be created in situ, solve this problem.