Inhalable medicament
US9707295B2 · kind B2 · utility
1Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2016 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | May 3, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a solution formulation for inhalation comprising: a liquid phase; an active ingredient containing a carboxylic ester in which the oxygen atom is covalently bound to a quaternary nitrogen-containing heterocycle, dissolved in the liquid phase; and a magnesium or calcium salt, dissolved in the liquid phase. The formulation is particularly suited to pMDIs and nebulizers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.