Spherical clay mineral powder, process for production thereof and composition containing the same
US5165915A · kind A · utility
42Cited by
5References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 19, 1990 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Jun 19, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/05
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m.sup.2 /g or more is provided, and the composite powder can contain an organic, inorganic or metal powder, an organic substance soluble in an organic solvent or a water-soluble substance, and these spherical powders can be formulated effectively in, for example, cosmetics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.