Title:
【発明の名称】水安定型L-アスコルビン酸誘導体とその製造方法及びこれを含有する美白化粧料組成物
Document Type and Number:
Japanese Patent JP2926046
Kind Code:
B2
Abstract:
Disclosed herein are a L-ascorbic acid derivative having an improved water-in-stability, represented by a following general formula (I): and a method for preparation thereof, and to a skin-whitening cosmetic composition containing the same as an active ingredient.
Inventors:
KO SOGEN
RI KIWA
CHO SHUNTETSU
RI CHOSHO
RISEI RO
TEN SHIMIN
CHO TOITSU
RI GYOKUSHO
RI SORIN
RI KIWA
CHO SHUNTETSU
RI CHOSHO
RISEI RO
TEN SHIMIN
CHO TOITSU
RI GYOKUSHO
RI SORIN
Application Number:
JP15646198A
Publication Date:
July 28, 1999
Filing Date:
June 04, 1998
Export Citation:
Assignee:
TAIHEIYO KK
International Classes:
A61K8/00; A61K8/02; A61K8/67; A61Q19/00; A61Q19/02; A61Q19/08; C07F9/09; C07F9/655; C07F9/6584; C07H11/04; (IPC1-7): C07F9/09; A61K7/00; A61K7/48
Domestic Patent References:
JP1283208A | ||||
JP6150908A | ||||
JP3291289A | ||||
JP7206879A | ||||
JP4431237B1 |
Other References:
【文献】米国特許5723645(US,A)
Attorney, Agent or Firm:
Katsuo Naruse (2 outside)