Filter for liquor filtration
AssigneePall Corporation
InventorsKurt H. Wollinsky, Michael W. K. Saefkow
Life of this patent
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Abstract
A filter and process of using the filter for the filtration of liquor cerebrospinalis, the filter has a membrane filter layer having a pore size of from 0.04-0.45 .mu.m a thickness of 0.1 to 1 mm, a geometric surface area of from 15-300 cm2, and a separation capacity of at least 500 .mu.g.
Claims39
A filter for use in a process for the filtration of liquor cerebrospinalis, comprising a membrane filter layer having a pore size of 0.04 to 0.45 .mu.m and a layer thickness of from 0.1 to 1 mm, wherein said filter has a geometric surface area of from 50 to 300 cm.sup.2, a pyrogen separation capacity of at least 500 .mu.g and a pore volume from 50 to 90%.
A method for the filtration of liquor cerebrospinalis comprising passing liquor cerebrospinalis through a filter comprising a membrane layer having a pore size of 0.04 to 0.45 .mu.m and a layer thickness of from 0.1 to 1 mm, wherein said filter has a geometric surface area of from 50 to 300 cm.sup.2, a pyrogen separation capacity of at least 500 .mu.g, and a pore volume from 50 to 90%.
Dependencies are inferred from the claim text.