Method of measuring the efficiency of gas mask filters using non-toxic mono dispersed aerosols
US5087389A · kind A · utility
3Cited by
5References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 31, 1990 |
| Grant date | Feb 11, 1992 |
| Priority date | — |
| Expiry date | Dec 31, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved process of passing an aerosol mixture through a filter. The asol mixture solely contains in percentage, by volume, of about: ______________________________________ % Chemical ______________________________________ A. 60-66 isostearic acid B. 13-17 isooleic acid C. 1-3 isopalmitic acid D. 8-10 stearic acid E. 6-12 oleic acid. ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.