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Generated: October 21, 2017

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Details 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): Lormeau; Jean-Claude (Maromme-la-Maine, FR), Goulay; Jean (Oissel, FR), Choay; Jean (Paris, FR)
Assignee: Choay, S.A. (Paris, FR)
Application Number:06/726,178
Patent Claim Types:
see list of patent claims
Process; Use; Composition; Formulation;

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Foreign Priority and PCT Information for Patent: 4,692,435

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France78 31357Nov 06, 1978
France79 18873Jul 20, 1979

International Patent Family for Patent: 4,692,435

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Hungary188657► Subscribe
Ireland802075► Subscribe
Ireland51166► Subscribe
Ireland810632► Subscribe
Spain8201596► Subscribe
France2440376► Subscribe
France2461719► Subscribe
France2478646► Subscribe
Spain501130► Subscribe
Spain8107245► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

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