Non-chlorofluorocarbon aerosol formulations
US5474759A · kind A · utility
110Cited by
18References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1993 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Dec 9, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aerosol formulations substantially free of chlorofluorocarbons for oral and/or nasal administration are described. The formulations comprise 1,1,1,2,3,3,3-heptafluoropropane, a medicament, optionally an excipient and optionally a surfactant. Methods of treatment utilizing the formulations are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.