Particulate composite, method of producing thereof, and cosmetic containing particulate composite
US5968531A · kind A · utility
10Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1997 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Nov 5, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/80
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A particulate composite powder wherein each composite powder particle comprises a substrate particle surrounded by fine particles of metal oxide bound to the surface of the substrate particle by a binding agent containing at least one of metallic soap and wax, the amount of fine particles of metal oxide being between 10 and 30 wt % and the amount of said binding agent being between 0.5 and 5 wt % based on the total weight of substrate particles, fine particles of metal oxide and binding agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.