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US 2013/0277298 A1Published application
Water treatment cartridge
Assignee3M Innovative Properties Company
InventorsStephen M. Sanocki, Kannan Seshadri
Life of this patent
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Abstract
A manually-operated gravity-flow water treatment cartridge for use in a portable water treatment device having a filtered water reservoir includes a housing comprising a framework defining a plurality of compartments that contain solid particulate water treatment media loosely arranged therein.
Claims19
A manually-operated gravity-flow water treatment cartridge for use in a portable water treatment device having a filtered water reservoir, the water treatment cartridge comprising:
- (a) a housing comprising a framework defining a plurality of compartments, wherein the housing is configured for removable arrangement in the water treatment device;
- and
- (b) solid particulate water treatment media loosely arranged in each of the compartments.
A water treatment cartridge, comprising:
- (a) a housing containing a plurality of compartments, wherein each compartment contains solid particulate water treatment media, and
- (b) a flow regulating member arranged to restrict the flow of water through the water treatment media.
A water treatment device, comprising:
- (a) a container defining a reservoir;
- (b) a water treatment cartridge configured for removable arrangement in the reservoir, wherein the water treatment cartridge comprises a housing comprising a framework defining a plurality of compartments, a side wall extending around the perimeter of the framework, an open scrim arranged adjacent opposite sides of the framework, and a nonwoven web arranged to restrict the flow of water through the water treatment media;
- and
- (c) solid particulate water treatment media comprising at least activated carbon and ion exchange resin loosely arranged in each of the compartments.
1 more element
Dependencies are inferred from the claim text.