Method of measuring the efficiency of gas mask filters, respirators and other personnel protective equipment
US5080829A · kind A · utility
5Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Dec 7, 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 a salt nuclei coated with a mixture containing isostearic acid, isopalmatic acid, myristic acid and palmitic acid through the filter to be tested.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.