Whitening cosmetic
US4847074A · kind A · utility
14Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1988 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | Jul 18, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A whitening cosmetic comprises kojic acid and cyclodextrins in addition to cosmetic base materials. The kojic acid may be included in cyclodextrins before being incorporated into the cosmetic. The cosmetic has an improved stability against coloring with the passage of time and an enhance whitening effect. The cosmetic can be a toilet lotion, a cosmetic cream, a milky lotion, a pack, etc., for application to human skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.