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Generated: August 16, 2017

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Summary for Patent: ► Subscribe

Title: Process for the organic synthesis of oligosaccharides and derivatives thereof
Abstract:The invention relates to a process for the organic synthesis of oligosaccharides constituting or comprising fragments of acid mucopolysaccharides comprising the reaction of two compounds constituted or terminated by units of glucosamine structure and of uronic acid structure respectively, said units being specifically substituted. This process particularly enables valuable anticoagulant drugs to be obtained.
Inventor(s): Petitou; Maurice (Paris, FR), Jacquinet; Jean-Claude (Orleans la Source, FR), Sinay; Pierre (Orleans la Source, FR), Choay; Jean (Paris, FR), Lormeau; Jean-Claude (Maromme, FR), Nassr; Mahmoud (Alexandria, EG)
Assignee: Choay, S.A. (Paris, FR)
Application Number:07/115,593
Patent Claim Types:
see list of patent claims
Process; Use; Compound; Composition;

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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France81 08472Apr 28, 1981
France82 00621Jan 15, 1982
France82 01675Feb 01, 1982
France82 02526Feb 16, 1982
France82 09392May 28, 1982

International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
France2533219► Subscribe
France2520744► Subscribe
France2521566► Subscribe
France2519987► Subscribe
France2518550► 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 500+ biopharmaceutical companies globally:

US Army
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Express Scripts
Chinese Patent Office

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