Process for film-coating a particulate solid, and emulsions for conducting the process
US4456628A · kind A · utility
6Cited by
5References
4Claims
0Family size
Inventors
Key dates
| Filing date | Jan 7, 1981 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Jan 7, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process of coating a particulate medicinal agent; comprising the application to said medicinal agent of a liquid composition containing a water-insoluble film-forming agent, a lipophilic solvent, a hydrophilic solvent and water, said liquid composition comprising an emulsion with at least two phases, wherein the liquid components of the liquid composition are removed after application of said liquid composition to said particulate medicinal agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.