Patent ID: 9527009
Filing Date: 2016-12-27
CPC Classification: B01D,G01N

Claim Text:
1. An axial flow chromatography column comprising: a housing comprising a side wall; axially spaced first and second end units positioned opposed to each other and separated by and secured to said side wall; a first filter which is adjacent to said first end unit and a second filter which is adjacent to said second end unit wherein said first and second filters together with the side wall define an enclosed bed space for containing a bed of particulate medium therein; the first end unit including a first port positioned at a level or elevation, the first port being in fluid communication with said enclosed bed space for adding a liquid to or removing a liquid from the enclosed bed space for separation on said chromatography column; and a second port being attached to the first end and comprising a passageway extending through the second end unit and in fluid communication with the first port and the enclosed bed space; and a hollow member being integral with the column and attached to the second port at the first end unit and attached between the first end unit and the second end unit to be in fluid communication with the passageway wherein the second port is in communication with the passageway and the enclosed bed space via the hollow member, wherein the liquid added to the first port passes through the first filter into the enclosed bed space, and exits said chromatography column through the second filter and via said passageway to the second port, the second port positioned at the level or elevation of the first port above the enclosed bed space on said chromatography column.