Powder compaction and enrobing
US7625622B2 · kind B2 · utility
63Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2004 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | Dec 7, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24116
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus and method is disclosed for forming a compacted powder slug coated with a film. The powder, e.g. of a medicament, is compacted and enrobed to produce compacted powder slugs by preferably mechanically compacting a powder and forming a film of a material, preferably hydroxy propyl methyl cellulose, by vacuum or pressure differential, about the surface of the powder thus compacted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.