Medicinal aerosol compositions with an amide and/or ester containing excipient compound
US7186402B2 · kind B2 · utility
0Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2002 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Feb 25, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention comprises a medicinal aerosol composition comprising a propellant, an excipient comprising an acid or amine end-group and at least one and no more than two amide and/or ester functional groups, and a drug. The invention also comprises particulate medicinal compositions comprising particles with a mean mass aerodynamic diameter of less than about 10 microns that incorporate an excipient containing an acid or amine end-group and at least one and no more than two amide and/or ester functional groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.