Detection systems and methods

Details Detection systems and methods Detection systems and methods

2007-03-27

2007-03-27

Therkorn, Ernest G. (Department: 1723)

Liquid purification or separation

With means to add treating material

Chromatography

C210S656000, C210S096100, C210S635000, C422S070000

Reexamination Certificate

active

10496940

ABSTRACT:
The application describes apparatus and methods using ultrasound transmitted through a chromatography column bed to determine the status of materials in the bed space, particularly during chromatography runs. Detected conditions include the profile of a band of eluting material—to see whether it is satisfactory—the arrival of a band of material at the column output, the fitness for use of the ed packing, the passage of different mobile phases, e.g. salt fronts, and other conditions. Aspects claimed include control processors and corresponding programmed products.

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patent: 5770087 (1998-06-01), Reuter
patent: 6966991 (2005-11-01), Hofmann
patent: 2003/0089662 (2003-05-01), Hofmann
patent: 1312096 (1973-04-01), None
patent: WO 02 10739 (2002-02-01), None

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