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US 2006/0130442 A1Published application
Ozone filter material
AssigneeCarl Freudenberg KG
InventorsHeinz Reinhardt, Richard Borris, Bernd Klausnitzer, Michael Zaplatilek
Life of this patent
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Abstract
An ozone filter material, with a long-lasting ozone degradation capacity, comprising a non-woven fabric filter material containing 200-600 g/m2 of activated charcoal impregnated with 0.1-5 wt. % of an organic acid and 0.1-5 wt. % of a bromide and/or iodide salt.
Claims8
1-7. (canceled)
An ozone filter material comprising:
- a nonwoven fabric filter material containing 100 to 800 g/m2 of activated carbon impregnated with 0.1-5 weight % of an organic acid and 0.1 to 5 weight % of a bromide salt and/or of an iodide salt.
Dependencies are inferred from the claim text.