Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate
2011-07-19
2011-07-19
Barry, Chester T (Department: 1776)
Liquid purification or separation
Processes
Ion exchange or selective sorption
Reexamination Certificate
active
07981296
ABSTRACT:
Geotextile composite configured to filter liquids and related methods are provided. The geotextile composites include a pre-filter layer, a post-filter layer and at least two intermediate filter layers disposed between the pre-filter layer and the post-filter layer. At least one fibrous web that includes composite fibers and adsorptive particulates is disposed between the at least two intermediate filters. The fibrous web has a structural component, and a thermally-bondable, polymeric component. The geotextile can be placed in a location where a liquid that contains contaminants therein resides. The liquids can pass through the geotextile such that the liquid contacts the adsorptive particulate. The contaminants are then filtered from the liquid through contact of the contaminants with the adsorptive particulate.
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Supplemental European Search Report for PCT/US 2008012344 dated Jan. 19, 2011.
Cronia Forrest E.
Gallamore Cameron B.
Lothspeich Steven E.
Barry Chester T
Huesker, Inc.
Jenkins Wilson Taylor & Hunt, P.A.
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