Tobacco – Smoke separator or treater
Patent
1995-01-06
1997-10-21
Millin, V.
Tobacco
Smoke separator or treater
131230, 131238, A41B 304
Patent
active
056785763
ABSTRACT:
An apparatus for treating environmental tobacco smoke (ETS) using a high efficiency particle air filter (HEPA) is provided. The apparatus has a pleated HEPA filter positioned in the top of a housing for filtering ETS particle contaminants. Layers of granulated activated alumina and layers of granulated activated carbon are also positioned in the top of the housing to filter gas-phase ETS contaminants. The apparatus offers substantial improvements over commercially available "smokeless ashtrays" by more effectively 1) directing ETS smoke over filter components, 2) removing ETS particle contaminants and 3) removing ETS gas-phase contaminants. The apparatus also indicates the effectiveness of the treatment process and allows users to increase the effectiveness of the treatment process.
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Gadgil Ashok J.
Nazaroff William W.
Anderson Charles W.
Millin V.
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