Method of preparing biological implantation material
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United States of America Patent
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Feb 23, 1999
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app pub date -
Mar 11, 1997
filing date -
Mar 12, 1996
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Abstract
A method of preparing biological implantation material fixed by means of aldehydes, in which the excess aldehyde is bound by treatment with an aminocarboxylic acid and the acid is selected from compounds of the general formula: ##STR1## in which n is 1 or 2 and X is a sulpho- (--SO.sub.3 H) or phosphono-(--PO.sub.3 H) group, and mixtures of such compounds.
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