Purified heparin fractions, method for obtaining them and pharmaceutical compositions containing them
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United States of America Patent
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Feb 4, 1997
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N/A
app pub date -
May 6, 1994
filing date -
May 7, 1993
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Abstract
Heparin fractions obtained by nitrous depolymerization, containing at most 150 ppb of total N-nitroso compounds, prepared by subjecting heparins of natural origin which have been depolymerized with a nitrite to the action of UV radiation.
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