Filter holder in a chromatography column

G - Physics – 01 – N

Patent

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Details

G01N 30/60 (2006.01) B01D 15/14 (2006.01)

Patent

CA 2760280

A filter holder to be used in a chromatography column is provided. Said filter holder comprising a filter squeezing part (356) facing the filter of the column essentially in the form of a plate and a squeezing means (354) adapted to squeeze the filter squeezing 5 part (356) against the filter (204) to prevent any leakage of particulate medium from the bed space (209) of the column in between the filter holder and the filter (204). According to the invention said filter squeezing part (356) comprises at least one channel (338), providing fluid connections through the filter squeezing part (356) from the side of the filter squeezing part (356) facing the filter (204) and to the side of the 10 filter squeezing part (356) facing the bed space (209).

La présente invention concerne un porte-filtre pour colonne de chromatographie. Ledit porte-filtre comprend une partie servant à comprimer le filtre (356) située face au filtre de la colonne et se présentant essentiellement sous la forme d'une plaque et un moyen de compression (354) conçu pour comprimer la partie 5 servant à comprimer le filtre (356) contre le filtre (204) pour éviter toute fuite de milieu particulaire hors de l'espace réservé au lit de résine (209) de la colonne entre le porte-filtre et le filtre (204). Selon l'invention, ladite partie servant à comprimer le filtre (356) comprend au moins un canal (338) assurant les connexions fluidiques à travers la partie servant à comprimer le filtre (356) depuis le côté de la partie servant à comprimer le filtre (356) faisant face au filtre (204) et jusqu'au côté de la partie 10 servant à comprimer le filtre (356) faisant face à l'espace réservé au lit de résine (209).

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