Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1998-06-04
1999-06-29
Richter, Johann
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514844, 514374, 549315, 549316, 5493351, A61K 3134, C07D30726
Patent
active
059169150
ABSTRACT:
Disclosed herein are a L-ascorbic acid derivative having an improved water-in-stability, represented by a following general formula (I): ##STR1## and a method for preparation thereof, and to a skin-whitening cosmetic composition containing the same as an active ingredient.
REFERENCES:
patent: 5723645 (1998-03-01), Lee et al.
Cho Jun Chul
Chun Ji Min
Hong Jong Eon
Jang Dong Il
Lee Jang Sob
Pacific Corporation
Richter Johann
Solola Taofiq A.
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