Whitening cosmetic composition containing green tea extract
US8545905B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Oct 25, 2011 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Nov 22, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/9789
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a whitening cosmetic composition containing a green tea extract and, more particularly, to a whitening cosmetic composition containing a green tea extract that is prepared from green tea leaves by hot water extraction and liquid culture with Aspergillus oryzae to provide a high inhibitory effect on tyrosinase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.