Gas filter

Details Gas filter Gas filter

B - Operations, Transporting

01

D

128/109, 183/34

B01D 53/28 (2006.01) A61F 5/44 (2006.01) A61F 5/441 (2006.01)

Patent

CA 1288062

XF45 ABSTRACT GAS FILTER A gas filter suitable for an ostomy bag comprises a pad impregnated with a deodorizing agent (e.g., activated carbon) and made of any open cell plastic foam material which is laminated together with a first microporous membrane. A layer of water repellent material is applied on the surface of the first microporous membrane other than the surface to which the foam pad is attached. The layer is sufficiently thin so that gas flow though the microporous membrane is not blocked.

501930

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