Method of testing the efficiency of gas mask filters using monodispersed aerosols
US5059351A · kind A · utility
5Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1990 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Dec 31, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/084
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved method of testing a particulate filter. This is accomplished by assing the following ester mixture on salt nuclei consisting essentially in percentage, by volume, of about: ______________________________________ % Chemical ______________________________________ 58 methyl oleate 24 methyl stearate 14 methyl linoleate 4 methyl palmitate. ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.