Spray freeze-dried compositions
US7229645B2 · kind B2 · utility
23Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2002 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Feb 23, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K39/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for producing a powder comprises spray freeze-drying an aqueous solution or suspension comprising a pharmaceutical agent, said solution or suspension having a solids content of 20% by weight or more. The spray freeze-dried powder may be administered to a subject via a needleless syringe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.