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US 7,887,619 B2Granted
Adsorptive filter material
Assigneeartemis control AG
InventorJost Kames
Life of this patent
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Abstract
An adsorptive filter material for the adsorption of acids or acid forming substances from the air is presented, which comprises an ion exchange material. The ion exchange material comprises a strong alkaline anion exchange resin with a ratio of at least 60% in the hydrogencarbonate form and a cation exchange resin in the H form with a ratio of not more than 15%.
Claims16
Adsorptive filter material for the adsorption of acids and acid-forming substances from the air, comprising an ion exchange material comprising
- a) an amount of at least 60% of a strong alkaline ion exchange resin in the hydrogencarbonate form;
- and
- b) an amount of not more than 15% of a cation exchange resin in the H-Form.
Dependencies are inferred from the claim text.