Process for manufacturing omniphobic cosmetic pigments
US11040000B2 · kind B2 · utility
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Key dates
| Filing date | Nov 15, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
For the cosmetic field, omniphobic cosmetic pigments under the form of a core shell structure: the core is or includes of a metal oxide on which is adsorbed poly(β-(1→4)-D-glucosamine) chains; the chains being acetylated, or partially or totally deacetylated. Also, the process for manufacturing the omniphobic cosmetic pigments, including:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.