Methods for skin whitening using a gallotannin
US10155738B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Apr 6, 2015 |
| Grant date | Dec 18, 2018 |
| Priority date | — |
| Expiry date | Apr 6, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D309/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method is disclosed for synthesizing a compound that includes gallotannins from a part of a maple tree, into new skin whitening compounds. The method includes the step of isolating the gallotannin from the part of the maple tree.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.