Liquid purification or separation – Casing divided by membrane into sections having inlet – Planar membrane
Reexamination Certificate
2006-12-01
2011-11-22
Kim, Vickie (Department: 1777)
Liquid purification or separation
Casing divided by membrane into sections having inlet
Planar membrane
C210S321760
Reexamination Certificate
active
08062523
ABSTRACT:
A coreless and spirally wound non-woven filter element is provided. The filter element includes at least one band of base media having a selected porosity and an interlay having a different porosity within at least one band of base media. The presence of the interlay in the filter element can create additional surface area within the contiguous construction of a filter element for filtration. This interlay can also create the ability to change direction of flow and to increase the deposition of specifically sized contaminants.
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Cloud Dan
Krogue John A.
Greenberg & Traurig, LLP
Kim Vickie
Perry Equipment Corporation
Pham Chinh H.
Salem Natalie
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