Substituted cinnamic acid derivatives as UV absorbers and uses thereof

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2-cyano acrylic acid derivatives are developed as biodegradable UV absorbers for sunscreens, offering effective UV protection and reducing environmental impact.

WO2025242884A1 Publication Date: 2025-11-27BASF SE

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Patent Information

Application Number: PCT/EP2025/064315
Authority / Receiving Office: WO · WO
Patent Type: Applications
Current Assignee / Owner
Priority Date: 2024-05-24
Filing Date: 2025-05-23
Publication Date: 2025-11-27

Application Information

Patent Timeline

24 May 2024

Priority

23 May 2025

Application

PCT/EP2025/064315

27 Nov 2025

Publication

WO2025242884A1

IPC: C07D307/54; C07D317/22; A61Q17/00; C07C1/00; C07D211/22; C07C255/00

CPC: C07D307/54; C07D317/22; C07D211/22; A61Q17/04; A61K8/40; A61K8/4973; A61K8/37; C07C255/18

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Application Domain

Cosmetic preparations Toilet preparations

Technology Topics

Uv absorber Perylene derivatives

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AI Technical Summary

Technical Problem

Current UV filters used in sunscreens are not fully biodegradable, leading to environmental persistence and potential health risks, necessitating the development of biodegradable alternatives.

Method used

Development of 2-cyano acrylic acid derivatives and their salts, hydrates, and stereoisomers as UV absorbers, which exhibit biodegradability of at least 20% over 28 days, suitable for use in personal care and pharmaceutical compositions.

Benefits of technology

The compounds provide effective UV protection while being more environmentally friendly, addressing the biodegradability concerns of existing UV filters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present relates to compounds of formula (I) as defined herein. The compounds are suitable for protection against ultraviolet (UV) radiation. Further, the present invention is concerned with compositions comprising at least one compound of formula (I) and uses of said compounds as UV filters and light stabilizing agents.

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