Liquid purification or separation – With means to add treating material – Chromatography
Reexamination Certificate
2005-09-26
2009-06-09
Therkorn, Ernest G. (Department: 1797)
Liquid purification or separation
With means to add treating material
Chromatography
C210S424000, C210S659000, C137S625400
Reexamination Certificate
active
07544293
ABSTRACT:
A unique valve assembly for simulated bed moving chromatography employs a combination of pressure compatible sealable materials that permit minimal frictional interaction between moving parts, ensures alignment of parts, and provides a method for conducting SMB countercurrent chromatography on a small scale, in which purity and separation efficiency are enhanced. Machine designs are disclosed which embody the SMB concepts. Finally, a quick disconnect connector and adaptor is provided for mounting chromatographic columns in an SMB device. Demonstration of this system in a fructose-glucose isomer separation with purity-recovery trade-off for this device is also presented.
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Escarcega Anthony Joseph
Johnson Kenneth U.
Oroskar Anil Rajaram
Oroskar Asha Anil
Parikh Saurabh Paresh
Barta S.C. Kent
SEMBA Inc.
Therkorn Ernest G.
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