Self-dispersible coated metal oxide powder, and process for production and use
US9662280B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jan 27, 2016 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Jan 27, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/64
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a composition having a substrate comprising metal oxide particles. The substrate has a coating thereon that includes an organic dispersant present in a amount that renders the substrate self-dispersible. Also disclosed is a composition, such as a cosmetic composition, that includes that self-dispersible coated substrate, and a process that includes coating a particulate metal oxide with an organic dispersant to render the metal oxide self dispersible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.