Treated water-insoluble solid particles, preparation and use
US6548170B2 · kind B2 · utility
12Cited by
7References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2001 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Jul 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to water-insoluble solid particles, especially pigments, which characteristically are coated with at least one layer of at least one product resulting from the reaction between at least one molecule capable of becoming hydrated in contact with water and at least one lipophilic molecule. It further relates to cosmetic, pharmaceutical and agricultural compositions comprising such particles and to the manufacture and use of said particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.