Water-in-stable L-ascorbic acid derivative and a method for preparation thereof, and a skin-whitening cosmetic composition containing the same
US5916915A · kind A · utility
20Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1998 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Jun 4, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65846
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.