Composition comprising a thiopyridinone compound, a hydrophilic gelling agent, a poly(propylene oxide) and poly(ethylene oxide) block polymer and a filler

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A composition with thiopyridinone, a hydrophilic gelling agent, and a block polymer stabilizes cosmetic formulations, addressing flocculation and sedimentation issues and enhancing sensoriality for effective depigmentation and bleaching of keratinous materials.

FR3155141B1Active Publication Date: 2026-08-07LOREAL SA

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Patent Information

Application Number: FR2023012522
Authority / Receiving Office: FR · FR
Patent Type: Patents
Current Assignee / Owner
Filing Date: 2023-11-15
Publication Date: 2026-08-07
Estimated Expiration: 2043-11-15

Application Information

Patent Timeline

15 Nov 2023

Application

FR2023012522

07 Aug 2026

Publication

FR3155141B1

IPC: A61K8/49; A61K8/73; A61K31/455; A61P17/00; A61Q19/02; C07D213/82

CPC: A61K8/4933; A61K8/73; A61K8/90; A61K8/25; A61K8/895; A61Q19/02; A61K8/8158; A61K8/891

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Application Domain

Organic active ingredients Cosmetic preparations

Technology Topics

Polymer science Polyethylene oxide

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AI Technical Summary

Technical Problem

The incorporation of thiopyridinone compounds in cosmetic compositions destabilizes the formulation, leading to issues such as flocculation and sedimentation of fillers, and there is a need for compositions that provide good sensoriality when applied to keratinous materials.

Method used

A composition comprising a thiopyridinone compound, a hydrophilic gelling agent, and a poly(propylene oxide) and poly(ethylene oxide) block polymer, which stabilizes the formulation and enhances sensoriality.

Benefits of technology

The composition effectively stabilizes thiopyridinone compounds, preventing flocculation and sedimentation while providing good sensoriality and efficacy in depigmenting or bleaching keratinous materials.

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Abstract

Composition comprising a thiopyridinone compound, a hydrophilic gelling agent, a poly(propylene oxide) and poly(ethylene oxide) block polymer, and a filler. The present invention relates to a composition, preferably cosmetic, comprising at least one compound selected from the compounds of formula (I) below, the tautomers of formula (I'), their salts, their solvates, such as their hydrates, their optical isomers, their racemates, and mixtures thereof; at least one hydrophilic gelling agent; at least one poly(propylene oxide) and poly(ethylene oxide) block polymer; and at least one filler. The present invention also relates to a non-therapeutic cosmetic treatment method for the care of keratinous materials, as well as a non-therapeutic cosmetic use of said composition.

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