ALPHA.-HYDROXY FATTY ACID DERIVATIVES AND EXTERNAL COMPOSITIONS CONTAINING THE SAME

A novel oily base, which has excellent stability and a low melting point, dose not irritate the skin and is superior feel in use. And an external composition contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): (...

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Bibliographische Detailangaben
Hauptverfasser:	IKEMOTO, TAKESHI, YAKUMARU, MASAFUMI, IWAMOTO, YOSHIKO, NAKATSUGAWA, HIROKO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	A novel oily base, which has excellent stability and a low melting point, dose not irritate the skin and is superior feel in use. And an external composition contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): (see fig I) wherein R1 represents a straight-chain or branched alkyl group having 10 to 24 carbon atoms, R2 represents a straight-chain or branched alkyl group having 1 to 31 carbon atoms, and R1 represents a straight-chain or branched alkyl group having 11 to 31 carbon atoms, and an external composition contains at least one of the derivatives.