Spray-dried microparticles and their use as therapeutic vehicles
US6709650B1 · kind B1 · utility
14Cited by
50References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1999 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Aug 25, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microparticles of a water-soluble material, which are smooth and spherical, and at least 90% of which have a mass median particle size of 1 to 10 &mgr;m, and which carry a therapeutic or diagnostic agent can successfully be used in dry powder inhalers to deliver the said agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.