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Last Updated: December 16, 2025

Claims for Patent: 4,692,435

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Summary for Patent: 4,692,435

Title:	Mucopolysaccharide composition having a regulatory action on coagulation, medicament containing same and process of preparation
Abstract:	The invention pertains to a mucopolysaccharide fraction obtainable from heparin or from fractions including heparinic constituents of molecular weights from 2000 to 50,000, which has a Yin-Wessler titer which is high relative to the USP titer. It contains components whose molecular weights are less than 10,000, particularly oligosaccharides in the area of 2000-3000, comprising from 8 to 12, notably 10 monosaccharide units, among which glucosamine units whose primary positions are sulphated. The last mentioned oligosaccharides include one N-acetyl-glucosamine unit per two units of 2-O-sulphate iduronic acid and per two N-sulphate-glucosamine units, the other saccharide units being of a different nature and including distinct substituents.
Inventor(s):	Jean-Claude Lormeau, Jean Goulay, Jean Choay
Assignee:	Sanofi Aventis France
Application Number:	US06/726,178
Patent Claims:

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