Medicinal aerosol formulations
US5439670A · kind A · utility
138Cited by
19References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1993 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | Jul 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/124
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.