Phospholipid-based powders for drug delivery
US9439862B2 · kind B2 · utility
15Cited by
434References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2014 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Apr 21, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3306
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Phospholipid based powders for drug delivery applications are disclosed. The powders comprise a polyvalent cation in an amount effective to increase the gel-to-liquid crystal transition temperature of the particle compared to particles without the polyvalent cation. The powders are hollow and porous and are preferably administered via inhalation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.