B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/02 (2006.01) B01D 39/04 (2006.01) B01D 39/06 (2006.01) B01J 20/20 (2006.01) B01J 20/26 (2006.01) B01J 20/32 (2006.01) B01J 39/02 (2006.01) C02F 1/42 (2006.01)
Patent
CA 2505795
A cationically charged material suitable for use as a filter medium that is capable of reducing a large number of active microorganisms from a fluid such as water. The filter medium includes a substrate material. Portions of the substrate material are modified by adhesion of a cationic polymer thereto, the cationic polymer having aluminum-containing groups. The cationically charged material can further include an antimicrobially active metal complexed with the polymer. Illustrative metals include copper, zinc, tin, and preferably silver.
Riches Mckenzie & Herbert Llp
The Clorox Company
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