Dialysis membrane of cellulose

Details Dialysis membrane of cellulose Dialysis membrane of cellulose

C - Chemistry, Metallurgy

08

J

182/13, 18/25

C08J 9/28 (2006.01) C08L 1/06 (2006.01)

Patent

CA 1171615

ABSTRACT A regenerated cellulose, dialysis membrane having a dialytic permeability to vitamin B12, adjustable as a function of the ultra-filtration power (UFP) and measured at 20°C, of at least the value calculated from the linear regression equation: DL vitamin B12 = 5.3 (UFP) + 2.3 x 10-3 said ultra-filtration power being between 0 and 10 x 10-4 ml/min. N; the dialysis membrane of the invention has a higher vitamin B12 permeability than prior regenerated cellulose membranes, and still display a significant vitamin B12 permeability when ultra-filtration power is practically no longer measurable.

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