Liquid purification or separation – Processes – Separating
Reexamination Certificate
2011-07-26
2011-07-26
Popovics, Robert James (Department: 1776)
Liquid purification or separation
Processes
Separating
C210S806000, C210S231000, C210S788000, C210S494100, C095S286000, C055S523000, C055S484000
Reexamination Certificate
active
07985343
ABSTRACT:
Disclosed herein are modular filter assemblies having a plurality of stacked filter plates formed from a porous material. The filter plate can comprise a planar base portion from which a convoluted ridge wall, having a ridge outer side surface, a ridge inner surface, and a top ridge surface extends. A plurality of fluid inlet troughs and a plurality if fluid outlet troughs are defined by the ridge wall. Adjoining filter plates form a plurality of fluid inlet cavities defined by the fluid inlet trough of one filter plate and a portion of the bottom surface of the adjoining filter plate; and a plurality of fluid outlet cavities defined by the fluid outlet trough of the one filter plate and a portion of the bottom surface of the adjoining filter plate. In use, the plurality of fluid inlet cavities are in filtered communication with the plurality of fluid outlet cavities.
REFERENCES:
patent: 4882050 (1989-11-01), Kopf
patent: 6551608 (2003-04-01), Yao
patent: 2003/0062311 (2003-04-01), Yao et al.
patent: 2008/0296238 (2008-12-01), Haldopoulos et al.
patent: WO 2007/143133 (2007-12-01), None
IPER of Dec. 3, 2008, 5 pages.
Haldopoulos Dean
Hirokawa Benjamin
Kilpatrick Townsend & Stockton
Popovics Robert James
Porex Corporation
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