Cationic dry powders
US9433576B2 · kind B2 · utility
3Cited by
44References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2011 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Dec 25, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to respirable dry particles that contain one or more divalent metal cations, such as calcium, in an amount of less than 3% by weight, and to dry powders that contain the respirable particles. The dry particles can further contain an active agent, or can be used as carrier particles to deliver an active agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.