Liquid purification or separation – Filter – Material
Reexamination Certificate
2007-10-09
2007-10-09
Menon, Krishnan S. (Department: 1723)
Liquid purification or separation
Filter
Material
C210S502100, C210S504000, C210S505000, C210S506000, C210S508000, C210S509000, C210S496000, C502S239000, C422S171000, C422S177000, C422S180000, C422S198000, C422S222000
Reexamination Certificate
active
10365138
ABSTRACT:
The invention concerns a filtering medium based on a photocatalytic agent and activated carbon, characterized in that it comprises a permeable support covered with a first layer based on activated carbon, then a separate second layer based on a photocatalytic agent, or vice versa. The invention also concerns a method for making such a filtering medium.
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Bouvier Léonie
Chevalier Fabien
Dussaud Joseph
Ahlstrom Research and Services
Cardona, Esq. Victor A.
Heslin Rothenberg Farley & & Mesiti P.C.
Menon Krishnan S.
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