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Last Updated: December 16, 2025

Claims for Patent: 5,389,618

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Summary for Patent: 5,389,618

Title:	Mixtures of particular LMW heparinic polysaccharides for the prophylaxis/treatment of acute thrombotic events
Abstract:	Heterogeneous intimate admixtures of sulfated heparinic polysaccharides, well suited for the prophylaxis/treatment of acute thrombotic episodes in a human patient, comprise immixture of sulfated polysaccharides having a weight average molecular weight less than that of heparin and which include from 9% to 20% of polysaccharide chains having a molecular weight less than 2,000 daltons and from 5% to 20% of polysaccharide chains having a molecular weight greater than 8,000 daltons, the ratio between the weight average molecular weight and the number average molecular weight thereof ranging from 1.3 to 1.6.
Inventor(s):	Roger Debrie
Assignee:	Aventis Pharma SA
Application Number:	US08/092,577
Patent Claims:

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