Chromatographic device having an elongate rod and method of forming and chromatographic device
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United States of America Patent
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Mar 7, 2006
Issued Date -
N/A
app pub date -
Apr 12, 2002
filing date -
Apr 12, 2002
priority date (Note) -
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Abstract
A chromatographic device comprises a chromatographic tube, a chromatographic medium, a piston assembly, an elongate rod, and a threaded member. The piston assembly is within the tube and is positioned generally between a first end of the tube and the chromatographic medium. The chromatographic medium is generally between the piston assembly and a second end of the tube. The elongate rod extends partially into the chromatographic tube such that the piston assembly is between the elongate rod and the second end of the chromatographic tube. The elongate rod has a threaded outer surface. The threaded member is threaded to the threaded outer surface of the elongate rod. The treaded member is operatively secured to the chromatographic tube.
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