Detergents and cleaning agents having improved performance

US11434452B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Christian Kropf · Hilden, DE
• Sascha Schaefer · Bad Camberg, DE
• Christian Umbreit · Neuss, DE
• Alexander Schulz · Rietberg, DE
• Michael Strotz · Cologne, DE
• Thomas Mueller · Zell am Harmersbach, DE
• Bernhard Mayer · Neuss, DE
• Melanie Denissen · Leverkusen, DE

Key dates

• Filing date: Jul 23, 2020
• Grant date: Sep 6, 2022
• Expiry date: Feb 23, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to the use of substituted bis-4H-pyranonyl compounds in which the 4H-pyranonyl units are combined with heteroalkyl groups, in detergents and cleaning agents, for improving detergent or cleaning performance with respect to bleachable stains.