Composite powder in which jade powder particles are impregnated in porous polymer, cosmetic composition containing same and manufacturing method for same
US10624822B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Feb 8, 2019 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Feb 8, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/83
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composite powder of jade powder and a porous polymer, and more specifically relates to a composite powder (jade sphere) in which jade powder particles are impregnated in a porous polymer, the composite powder being produced by spraying, in one step, a dispersion in which jade powder has been dispersed in a solution that dissolves porous polymers, and to a cosmetic composition containing the composite powder, and to a manufacturing method for the composite powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.