Liquid purification or separation – With means to add treating material – Chromatography
Reexamination Certificate
2007-05-01
2008-10-28
Therkorn, Ernest G (Department: 1797)
Liquid purification or separation
With means to add treating material
Chromatography
C210S502100, C210S635000, C210S656000
Reexamination Certificate
active
07442299
ABSTRACT:
Embodiments of the present invention are directed to porous resins for solid phase extractions. The resins feature at least one hydrophobic component, at least one hydrophilic component and at least one ion exchange functional group. The resins exhibit superior wetting and ion exchange performance.
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Lee Peter Jeng-Jong
O'Gara John E.
Edwards Angell Palmer & & Dodge LLP
Lauro Peter C.
Russett Mark D.
Therkorn Ernest G
Waters Investments Limited
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