Metered dose aerosol valve
US6032836A · kind A · utility
15Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Oct 29, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M15/009
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hand held apparatus and method for creating an aerosolised mist of particles is described. The apparatus comprises a high pressure vessel containing a solution or suspension of the substance to be aerosolised in a high pressure liquefied gas, a manually actuatable valve and a spray nozzle. The high pressure liquefied gas is in a sub-critical state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.