Easy-to-suspend hydrophobing agents
US8323795B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 15, 2008 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Mar 30, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to solids powders comprising particles having an average particle size of 0.1 to 50 μm with predominantly a core-shell structure, wherein the core comprises at least one water-insoluble fatty acid salt and the shell at least one anionic, cationic or non-ionic emulsifier, and the solids powder when introduced into water or at least one polar organic solvent or a mixture comprising water and at least one polar organic solvent, at a temperature of 23° C. while exposed to a mechanical force, forms a complete dispersion within 60 minutes or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.