Gas separation – Two or more separators – Three or more serially spaced
Patent
1980-02-19
1981-10-13
Prunner, Kathleen J.
Gas separation
Two or more separators
Three or more serially spaced
55489, 55498, 55520, 55524, 55DIG33, 55DIG35, 12820617, B01D 5000, B01D 4612
Patent
active
042945992
ABSTRACT:
An aerosol respirator cartridge employing a prefilter having the form of a closely spiraled fiberglass mat functioning to distribute captured aerosol particles substantially uniformly therethrough for avoidance of prior art aerosol skin affect and the accompanying increased inhalation resistance.
REFERENCES:
patent: 1781254 (1930-11-01), Stelzner
patent: 2000064 (1935-05-01), Cover
patent: 2400076 (1946-05-01), Dauster
patent: 2400180 (1946-05-01), Venable
patent: 2505173 (1950-04-01), Conley
patent: 2640481 (1953-06-01), Conley
patent: 2744524 (1956-05-01), Whipple
patent: 2772195 (1956-11-01), Gaarder
patent: 3944403 (1976-03-01), Simpson et al.
patent: 4141703 (1979-02-01), Mulchi
Grovesteen William R.
Jones John A.
American Optical Corporation
Prunner Kathleen J.
Spencer Alan H.
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