High purity heparin and production method therefor
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United States of America Patent
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Jan 10, 2017
Grant Date -
Apr 2, 2015
app pub date -
Dec 10, 2014
filing date -
Sep 14, 2010
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Abstract
The present invention provides a high purity heparin useful to be a pharmaceutical product, cosmetics, research reagent, or the like, and a method for producing the same, more specifically, a heparin which does not substantially contain a nitrous acid degradation-resistant impurity and a method for producing a heparin, comprising mixing an aqueous solution of 5 to 30% by weight of the heparin with ethanol having an amount (volume) 0.2 to 1 times the amount (volume) of the aqueous heparin solution to obtain a colloidal precipitate of heparin.
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