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Title:
LIPID COMPOSITION HAVING LIQUID CRYSTAL STRUCTURE
Document Type and Number:
Japanese Patent JP3343208
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain the subject composition useful as a cosmetic, medicine, etc., for enhancing water content-retaining ability of stratum corneum and improving roughened skin by including specific 2-aceto-aminoalkanediols, specific 2-acylaminoalkane-1,3-diols and sterole at a ratio having liquid crystal structure.
SOLUTION: This composition is obtained by including one component selected from (A) a 2-aceto-aminoalkane-1,3-diol represented by formula I (R1 is a 9-17C alkyl) and its optically active compound, (B) an 2-acylaminoalkane-1,3- diol represented by formula II (R2 is a 14-24C acyl) or its derivative and (C) a sterol group (especially cholesterol) and as necessary, (D) a compound selected from a cholesterol derivative, a fatty acid, etc., so that the the weight ratio of A:B is (1:1) to (1:8).


Inventors:
Izumi Kawada
Kazuhiko Tokoro
Kazutoshi Sakurai
Application Number:
JP31454297A
Publication Date:
November 11, 2002
Filing Date:
October 31, 1997
Export Citation:
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Assignee:
Takasago International Corporation
International Classes:
A61K8/30; A61K8/00; A61K8/02; A61K8/36; A61K8/37; A61K8/41; A61K8/42; A61K8/55; A61K8/63; A61P17/16; A61Q1/00; A61Q1/04; A61Q5/00; A61Q5/02; A61Q19/00; A61Q19/10; C07C215/00; C07C233/18; C07J1/00; C09K19/36; (IPC1-7): A61K7/00; A61P17/16
Domestic Patent References:
JP4327563A
JP834726A
JP63192703A
JP9235259A
JP9176097A
JP8508742A
Attorney, Agent or Firm:
Kazuo Watanabe