Supercritical fluid extraction of mould lubricant from hard shell capsules
US6228394A · kind A · utility
7Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1998 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Sep 21, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hard shelled capsules and dry, powdered pharmaceutical formulations are treated with supercritical fluids to remove impurities such as mold lubricants and moisture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.