Inhalable particles
US11759420B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2022 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | May 5, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/137
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A powder formulation, or pharmaceutical composition comprising or consisting of particles of an antimuscarinic agent, said particles being obtainable by supercritical anti-solvent (SAS) precipitation and having a D50 of 4 μm or less and a D90 of 10 μm or less. Methods of forming the formulation and composition are also disclosed, as are uses of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.