Spray-dried microparticles and their use as therapeutic vehicles
US5993805A · kind A · utility
196Cited by
46References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
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 .mu.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.