Phospholipid-based powders for drug delivery
US7442388B2 · kind B2 · utility
25Cited by
129References
80Claims
0Family size
Inventors
Key dates
| Filing date | May 8, 2001 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | May 8, 2021 |
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.