Dialysis membrane made of polysaccharide ether
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United States of America Patent
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Dec 15, 1992
Grant Date -
N/A
app pub date -
May 31, 1991
filing date -
Jun 1, 1990
priority date (Note) -
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Abstract
Dialysis membrane for hemodialysis in the form of membrane films, tubular films, or hollow filaments made of polysaccharide ethers, are characterized by the fact that the polysaccharide ether has a structure shown by the formula ##STR1## in which Cell is the skeleton of the unmodified cellulose molecule or of the chitin molecule, without hydroxyl groups in each case, s is 3 in the unmodified cellulose molecule and 2 in the chitin molecule, and x corresponds to the degree of etherification, which is in the range from 0.08 to (s-0.4).
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