Bacteriostatic filter cartridge
AssigneeMicroban Products Company
InventorsArvind S. Patil, Gilbert Patrick
Life of this patent
Estimating the term…
Abstract
A bacteriostatic filter cartridge having a porous core member about which is layered a yarn and/or a polyester membrane and/or melt blown web of polypropylene and/or a trilaminate polypropylene membrane, any or all of which may be impregnated with an antimicrobial agent. The filter cartridge is sized so as to fit tightly into a cartridge housing of a fluid filtration system. Fluid passing through the cartridge housing will be filtered by the filter cartridge to remove contaminants from the water and which prevents the growth of bacterial and other microorganisms on the filter media.
Claims17
A bacteriostatic filter cartridge, comprising an inner perforated core member, a wet laid polyester membrane wrapped around said core and a layer of criss-crossed yarn wrapped about said wet laid polyester membrane where at least one of the group consisting of said inner perforated core member, said wet laid polyester membrane and said yarn is treated with a non-water-soluble, non-leaching antimicrobial agent.
A bacteriostatic filter cartridge, comprising an inner perforated core member, a wet laid polyester membrane wrapped around said core and a melt blown web wrapped around said polyester membrane where at least one of the group consisting of said inner perforated core member, said wet laid polyester membrane and said melt blown web is treated with a non-water-soluble, non-leaching antimicrobial agent.
A bacteriostatic filter cartridge, comprising an inner perforated core member, a wet laid polyester membrane wrapped around said core member, a composite membrane wrapped around said polyester membrane and a criss-crossed layer of yarn wrapped around said composite membrane where at least one of the group consisting of said inner perforated core member, said wet laid polyester membrane, said composite membrane and said yarn comprises a non-leaching antimicrobial agent.
A bacteriostatic filter cartridge, comprising an inner perforated core member, a wet laid polyester membrane wrapped around said core member, a composite membrane wrapped around said polyester membrane and a melt blown web wrapped around said composite membrane where at least one of the group consisting of said inner perforated core member, said wet laid polyester membrane, said composite membrane and said web comprises a non-leaching antimicrobial agent.
Dependencies are inferred from the claim text.