Skin whitening compositions containing asparagus extract
US7247321B2 · kind B2 · utility
6Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2004 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jul 22, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K36/8965
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A skin whitening composition includes an extract of asparagus obtained by sequentially exposing the asparagus to two or more solvents of varying solvent strengths. The root and shoot portions of the asparagus can be separately used to obtain the extract. The composition can be topically applied to the human skin and can further include one or more cosmetically acceptable ingredients. A method of suppressing melanogenesis includes topically applying to the skin a composition comprising an extract of asparagus obtained by sequentially exposing the asparagus to two or more solvents of varying solvent strengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.