Liquid purification or separation – Filter – Material
Reexamination Certificate
2011-04-12
2011-04-12
Kim, John (Department: 1777)
Liquid purification or separation
Filter
Material
C210S501000, C210S502100, C210S504000, C210S505000, C210S506000, C210S507000, C210S508000
Reexamination Certificate
active
07922008
ABSTRACT:
A filter and filter material for providing or treating potable water is provided. The filter includes a housing having an inlet and an outlet, a filter material disposed within the housing, the filter material formed at least in part from a mixture of a plurality of mesoporous and microporous activated carbon particles. Preferably, at least some of the mesoporous activated carbon filter particles are coated with a cationic polymer, and even more preferably, at least some of the particles are coated with a cationic polymer and silver or a silver containing material. Kits comprising filters and information relating to the reduction, killing or removal of bacteria, viruses, microbials, and TTHM are also provided.
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Astle Robert E.
Bahm Jeannine Rebecca
Collias Dimitris Ioannis
Faye Katharine L. K.
Governal Robert Andrew
Clay Cynthia L.
Kim John
The Procter & Gamble & Company
William Zerby Kim
LandOfFree
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