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Serving leading biopharmaceutical companies globally:

Chinese Patent Office
Argus Health
Daiichi Sankyo

Generated: November 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,529,596

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Summary for Patent: 4,529,596

Title: Thieno [3,2-c] pyridine derivatives and their therapeutic application
Abstract:This invention relates to new thieno [3,2-c] pyridine derivatives having the formula: ##STR1## in which: Y represents the OH group or an OR group in which R is a straight or branched lower alkyl radical, or Y represents a group ##STR2## in which R.sub.1 and R.sub.2 are each independently of each other, hydrogen or a straight or branched lower alkyl group; or R.sub.1 and R.sub.2 form together and with the nitrogen atom to which they are attached a heterocycle which may include a second heteroatom such as oxygen or nitrogen, wherein the latter may be substituted by a lower alkyl or benzyl radical which may be substituted; and X represents hydrogen, a halogen or a lower alkyl radical; and their addition salts with pharmaceutically acceptable mineral or organic acids if Y represents the group OR or ##STR3## or with mineral bases if Y represents OH, as well as the two enantiomers or their mixture. The invention also relates to the preparation process of new thieno [3,2-c] pyridine derivatives and to their therapeutic application as blood-platelet aggregation inhibiting agents and antithrombotics.
Inventor(s): Aubert; Daniel (Plaisance Du Touch, FR), Ferrand; Claude (Ramonville Saint-Agne, FR), Maffrand; Jean-Pierre (Garonne, FR)
Assignee: Sanofi, S.A. (Toulouse, FR)
Application Number:06/510,582
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Dosage form;

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Foreign Priority and PCT Information for Patent: 4,529,596

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France82 12599Jul 13, 1982

International Patent Family for Patent: 4,529,596

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
France2530247► Subscribe
Finland832543► Subscribe
Finland73218► Subscribe
Spain8403901► Subscribe
Spain523943► Subscribe
European Patent Office0099802► Subscribe
Egypt16540► Subscribe
Algeria558► Subscribe
Denmark157552► Subscribe
Denmark304183► 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:

Farmers Insurance
Boehringer Ingelheim
Harvard Business School
US Army
Chinese Patent Office
Fish and Richardson

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