Filter material for removal of ozone from the atmosphere

Details Filter material for removal of ozone from the atmosphere Filter material for removal of ozone from the atmosphere

1978-03-17

1980-01-22

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252472, 423210, B01J 2104, B01J 2342, B01J 2346

Patent

active

041849833

ABSTRACT:
Ozone, which may be an irritating factor present in the atmosphere, may be removed therefrom by utilizing, as a filter material, in masks a material comprising at least one metal or metal oxide selected from Group VIII of the Periodic Table, a carbonaceous pyropolymer or combinations thereof composited on a solid support such as an alumina.

REFERENCES:
patent: 2298607 (1942-10-01), Anderson
patent: 3259453 (1966-07-01), Stiles
patent: 3682585 (1972-08-01), Frevel et al.
patent: 3741725 (1973-06-01), Graham

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