Medicinal aerosol formulations
US5683677A · kind A · utility
101Cited by
34References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1995 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | May 31, 2015 |
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.