CERAMIDES, METHODS OF THEIR PRODUCTION, CERAMIDE-BASED COSMETIC COMPOSITION AND OF HYDRATING TREATMENT OF SKIN OR HAIR Russian patent published in 1999 - IPC

Abstract RU 2141944 C1

FIELD: cosmetic compositions. SUBSTANCE: ceramides of common formula 1 , where R₁ is C_11-21 alkyl or C_11-21 alalkenyl; R₂ is oxy ((C_1-29)) alkyl, oxy ((C_7-29)) aralkyl where hydroxyl group is in α-position relative to carbonyl; compound has form of racemic mixture of erythro- and threo-diastereoisomers; erytho : treo ratio for aminodiol part ranges from 85:15 to 20:80. EFFECT: improved hydrating effect in treatment of skin or hair. 24 cl, 1 dwg, 1 tbl, 3 ex

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RU 2 141 944 C1

Authors

Did'E Semer'Ja

Mishel' Filipp

Klod Maje

Dates

1999-11-27—Published

1994-10-11—Filed