STABILIZATION OF THIOPYRIDINONE COMPOUND AND COMPOSITION COMPRISING SAME
The stability of thiopyridinone compounds in compositions for treating skin pigmentation is enhanced by incorporating a chelating agent, such as EDTA, which maintains the compound's effectiveness even under hot storage conditions.
FR3136667B1Active Publication Date: 2025-06-20LOREAL SA
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- FR2022007732
- Authority / Receiving Office
- FR · FR
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2022-06-21
- Filing Date
- 2022-07-27
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2042-07-27
AI Technical Summary
Technical Problem
Thiopyridinone compounds used in compositions for treating skin pigmentation spots tend to destabilize over time, especially when stored at elevated temperatures.
Method used
A composition comprising at least one thiopyridinone compound and a chelating agent, such as EDTA, is formulated to enhance the stability of the thiopyridinone compound, allowing it to maintain effectiveness even under hot storage conditions.
Benefits of technology
The inclusion of a chelating agent in the composition significantly increases the stability of the thiopyridinone compound, ensuring its efficacy over a longer period, including when stored at elevated temperatures.
✦ Generated by Eureka AI based on patent content.
Abstract
STABILIZATION OF THIOPYRIDINONE COMPOUND AND COMPOSITION COMPRISING SAME The present invention relates to a composition comprising: (1) at least one thiopyridinone compound; and (2) at least one chelating agent. The present invention can provide a composition including (1) thiopyridinone compound(s) exhibiting increased stability of the (1) thiopyridinone compound(s) over time, particularly even when the composition is maintained for a relatively long period at an elevated temperature. Figure for abstract: None
Need to check novelty before this filing date? Find Prior Art