B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 15/10 (2006.01) B01D 29/03 (2006.01)
Patent
CA 2658777
A prefilter element for continuous flow systems as illustrated by a high-performance liquid chromatography cartridge or column is constructed with a gradient filter that has a gradient in average pore size over its thickness, the pore size decreasing in the direction of flow. This prefilter element is retained in a housing separate from any functional components of the continuous-flow system other than the prefilter element itself, the prefilter element being separable from the other functional components to allow the prefilter to be replaced without disturbing any other functional components.
L'invention concerne un élément préfiltrant pour circuits à écoulement continu tel qu'illustré par une cartouche ou colonne de chromatographie liquide hautes performances, pourvu d'un filtre gradient de taille de pores moyennes par rapport à son épaisseur, la taille de pore décroissant dans la direction d'écoulement. Cet élément préfiltrant est retenu dans un logement séparé de tout composant fonctionnel du circuit à écoulement continu autre que l'élément préfiltrant proprement dit, l'élément préfiltrant étant séparable des autres composants fonctionnels pour permettre le remplacement du préfiltre sans gêner les autres composants fonctionnels.
Dewaele Chris
Surgeloose Hilde
Wijnant Pascal
Bio-Rad Laboratories Inc.
Fetherstonhaugh & Co.
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