USE OF BISMUTH OXYCARBONATE PARTICLES FOR FILTERING ULTRAVIOLET RADIATION

The present invention relates to the use of bismuth oxycarbonate particles having the empirical formula (BiO)2 -x(CO3), wherein -0.4 <x < 0.6, for filtering ultraviolet radiation, the greatest mean dimension of said particles being less than 400 nm. It also relates to a composition comprising:...

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Bibliographic Details
Main Authors LARQUET, Clément, GHOBRIL, Cynthia, VIVES, Aude
Format Patent
LanguageEnglish
French
German
Published 30.10.2024
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Summary:The present invention relates to the use of bismuth oxycarbonate particles having the empirical formula (BiO)2 -x(CO3), wherein -0.4 <x < 0.6, for filtering ultraviolet radiation, the greatest mean dimension of said particles being less than 400 nm. It also relates to a composition comprising: i) bismuth oxycarbonate particles as defined above; ii) at least one aqueous phase and/or at least one fatty phase; and iii) at least one compound selected from: a) UV- screening agents other than the bismuth oxycarbonate particles i); b) colorants; c) cosmetic active agents for caring for keratin materials; d) surfactants; e) thickeners; and mixtures thereof. It also finally relates to a process for filtering UV radiation, comprising at least the application, to the keratin materials, of a cosmetic composition comprising bismuth oxycarbonate particles as defined above.
Bibliography:Application Number: EP20220840127