Capsules containing high doses of levodopa for pulmonary use
US8545878B1 · kind B1 · utility
3Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2012 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Nov 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/198
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a capsule containing an inhalable powder composition wherein the composition comprises about 75% by weight or more levodopa, dipalmitoylphosphatidylcholine (DPPC) and a salt characterized by a working density of less than about 100 g/L. The invention further provides a capsule containing an inhalable powder composition wherein the composition comprises about 75% by weight or more levodopa, dipalmitoylphosphatidylcholine (DPPC) and a salt characterized by a working density of less than about 100 g/L wherein the capsule material comprises hydroxypropylmethylcellulose (HPMC) and titanium dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.