Patent Number: 6,966,991

Title: Methods and apparatus for packing chromatography columns and chromatography column

Abstract: Ultrasound transceivers (20) are distributed up the side wall of a chromatography column (1) and enable tracking of the progress of a rising bed front (5) during packing. Comparison with a predetermined stored profile is used for feedback control of the packing pump P. Other uses of ultrasound monitoring of the column interior are disclosed.

Inventors: Hofmann; Martin John (Stroud, GB)

Assignee: Pall Corporation

International Classification: B01D 15/20 (20060101); B01D 15/10 (20060101); G01N 30/56 (20060101); G01N 30/00 (20060101); G01N 30/50 (20060101); G01N 30/78 (20060101); B01D 015/08 ()

Expiration Date: 1/22/02018