Non-enzymatic removal of proteinaceous soils with a salicylidene-based chelant

US11118138B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Sascha Schaefer · Bad Camberg, DE
• Iris Dienwiebel · Lengerich, DE
• Christian Umbreit · Neuss, DE
• Christian Kropf · Hilden, DE
• Tatjana Parac-Vogt · Leuven, BE
• Thomas Quanten · Leuven, BE

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 composition suitable for cleaning cooked-, baked- and burnt-on soils, which has improved efficacy on proteinaceous soils. Detergent compositions having metal complexes with certain salicylidene ligands solve this problem.