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Johnson and Johnson
US Army
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Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,486,420

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Summary for Patent: 4,486,420

Title: Mucopolysaccharide composition having a regulatory action on coagulation, medicament process for preparation and method of use
Abstract:The invention pertains to a mucopolysaccharide fraction obtainable from heparin or from fractions including heparinic constituents of molecular weights from 2,000 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 2,000-3,000, 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 2-0-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 C. (Maromme La Maine, FR), Choay; Jean (Paris, FR), Goulay, deceased; Jean (late of Oissel, FR), by Goulay, heir; Marie T. (St. Pierre de Varangeville, FR), by Goulay, heir; Marie A. (St. Pierre de Varangeville, FR), by Goulay, heir; Gerard (Saind Amand des Hautes Terres, FR)
Assignee: Choay, S.A. (Paris, FR)
Application Number:06/301,611
Patent Claim Types:
see list of patent claims
Compound; Composition; Formulation; Use; Process;

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Foreign Priority and PCT Information for Patent: 4,486,420

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: 4,486,420

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina227417► Subscribe
Austria17586► Subscribe
Austria26450► Subscribe
Australia540433► Subscribe
Australia543679► Subscribe
Australia6392080► Subscribe
Australia6787081► Subscribe
Bosnia and Herzegovina97179► Subscribe
Canada1194441► Subscribe
Canada1207759► 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:

Cantor Fitzgerald
Farmers Insurance
Fish and Richardson
Harvard Business School

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