Sorbent material

Details Sorbent material Sorbent material

B - Operations, Transporting

01

J

252/23

B01J 20/26 (2006.01) B01D 53/14 (2006.01) B01D 53/72 (2006.01) B01J 20/32 (2006.01)

Patent

CA 1187063

Abstract Granular sorbent material comprising a granular high surface area support impregnated with a water soluble, essentially non-volatile primary or secondary amine with equivalent weight less than about 400 and bearing either zero or two carbonyl substituents attached directly to the amino nitrogen atom is disclosed. The resulting material can be used as the filtration media in respirators, powered air purifiers, room air purifiers, ventilation filters, exhaust filters, process gas filters and the like to reduce the formaldehyde content of air.

422404

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