Whitening agent
US11090351B2 · kind B2 · utility
0Cited by
6References
3Claims
0Family size
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Key dates
| Filing date | Feb 17, 2017 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Apr 16, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/782
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provision of a material, which has tyrosinase-inhibiting activity and is effective for skin whitening. A tyrosinase inhibitor comprising Syzygium polyanthum or an extract therefrom as an active ingredient is provided. Also, a compound represented by any one of the following formulae (I) to (III) and a tyrosinase inhibitor comprising the compound as an active ingredient are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.