Use of soluble fluorosurfactants for the preparation of metered-dose aerosol formulations
US5118494A · kind A · utility
184Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1991 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Mar 13, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y5/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pharmaceutical suspension aerosol formulations using one or more perfluorinated carboxylic acids or esters thereof as surface-active dispersing agents and 1,1,1,2-tetra-fluorethane or 1,1,1,2,3,3,3-heptafluoropropane as the propellant are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.