Peptides with dirt-releasing effect for detergents and cleaning agents

EP4728036A1Pending Publication Date: 2026-04-22HENKEL KGAA
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
HENKEL KGAA
Filing Date
2024-05-08
Publication Date
2026-04-22

AI Technical Summary

Technical Problem

Current detergents and cleaning agents face challenges with non-biodegradable 'soil release polymers' (SRP) for effectively removing dirt from low surface energy polymer (LSEP) surfaces, which are difficult to treat due to their material properties, and there is a need for biodegradable alternatives that can improve cleaning performance and reduce chemical usage.

Method used

The use of specific peptides and peptide conjugates with hydrophobic and hydrophilic ends, which bind to textile and plastic surfaces, creating a dirt-repellent and dirt-removing effect, thereby enhancing cleaning performance and providing a biodegradable alternative to traditional SRP polymers.

Benefits of technology

These peptides and peptide conjugates improve cleaning efficiency on greasy and oil-containing soils, offer a biodegradable solution, and can stabilize other ingredients in detergents, providing a superior dirt-removing and dirt-repellent effect on LSEP surfaces.

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Abstract

The invention relates to peptides and / or peptide conjugates as described herein. The invention also relates to detergents or cleaning agents comprising at least one peptide and / or peptide conjugate as defined herein. Furthermore, the invention relates to a method for cleaning textiles and / or hard surfaces using the aforementioned detergent or cleaning agent and to the use of a peptide and / or peptide conjugate as a dirt-releasing and / or dirt-repelling active ingredient in the washing and / or cleaning of textiles and / or hard surfaces, and for improving the cleaning performance of a detergent or cleaning agent containing said peptide and / or peptide conjugate.
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