Chromatography columns

Details Chromatography columns Chromatography columns

2008-11-19

2010-10-05

Therkorn, Ernest G (Department: 1797)

Liquid purification or separation

With means to add treating material

Chromatography

C210S656000, C210S241000, C096S101000

Reexamination Certificate

active

07807054

ABSTRACT:
The present invention relates to a chromatography column that removes the longitudinal load from the column tube altogether and transfers it to a yoke and stanchion arrangement situated around but external to the column tube. By using the yoke/stanchion system, the central adjuster can be used to move the top end into and out of the housing. Thus, when internal pressure is applied to the column, the tube experiences no longitudinal load. Additionally, the yoke and stanchion design allows for complete removal of the end from the tube without cumbersome disassembly. Moreover, the yoke provides a place to retain the end while the tube is being filled, emptied, cleaned or repaired.

REFERENCES:
patent: 4350595 (1982-09-01), Gunkel
patent: 4451365 (1984-05-01), Sattler et al.
patent: 5674455 (1997-10-01), Marchand et al.
patent: 6123849 (2000-09-01), Purdom
patent: 6139732 (2000-10-01), Pelletier
patent: 7041216 (2006-05-01), Dunkley et al.
patent: 7534346 (2009-05-01), Dunkley et al.
patent: 0078435 (1983-05-01), None
patent: 0649019 (1993-10-01), None
patent: WO 97/32207 (1997-09-01), None

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