Stabilization of resorcinol derivatives in cosmetic compositions

Cosmetic compositions containing a micronized metal oxide along with a 4-substituted resorcinol derivatives of the general formula I exhibit improved storage stability:where each R1 and R2, independently, represents a hydrogen atom, -CO-R (acyl group), -COO-R, CONHR; where R represents saturated or...

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Bibliographic Details
Main Author LOVE ARTHUR RAY,KERSCHNER JUDITH LYNNE,BARRATT MICHAEL JAMES,ZHOU YAN
Format Patent
LanguageEnglish
Published 10.01.2007
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:Cosmetic compositions containing a micronized metal oxide along with a 4-substituted resorcinol derivatives of the general formula I exhibit improved storage stability:where each R1 and R2, independently, represents a hydrogen atom, -CO-R (acyl group), -COO-R, CONHR; where R represents saturated or unsaturated, linear, branched or cyclic C1-C18 hydrocarbon groups; andR3 represents (1) an alkyl group, having from 1 to 18 carbon atoms, preferably having from 2 to 12 carbon atoms, with or without substitution of one or more hydrogen atoms of a linear alkyl group with a methyl or ethyl group; e.g., R3 constitutes linear or branched chain alkyls, or (2) a group of the general formula formula (II)Where X is preferably H, n is 0 to 3 and the dashed lines represents an optional double bond.
Bibliography:Application Number: CN20038006756