Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate
2006-03-24
2008-08-05
Barry, Chester T. (Department: 1797)
Liquid purification or separation
Processes
Ion exchange or selective sorption
C210S688000, C502S416000
Reexamination Certificate
active
07407587
ABSTRACT:
Anion exchange materials loaded with oxygen-containing metal compounds within the exchange matrix as a sorbent, and a method for preparation. The materials remove arsenic and other ligands or contaminants from water and other fluid streams.
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Barry Chester T.
Layne Christensen Company
Thompson Hine LLP
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