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Generated: October 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,061,722

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Summary for Patent: 5,061,722

Title: Cis, endo-2-azabicyclo-[3.3.0]-octane-3-carboxylic acids, a process for their preparation, agents containing these compounds and their use
Abstract:Compounds of the formula I ##STR1## in which the carboxyl group on carbon atom 3 is orientated in the endo-position relative to the bicyclic ring system of cis-configuration, and in which R.sup.1 denotes hydrogen, allyl, vinyl or a side-chain of a naturally occurring .alpha.-aminoacid, which may be protected, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl and 2 denotes hydrogen, or Y and Z together denote oxygen, and X denotes alkyl, alkenyl or cycloalkyl, or aryl which is optionally mono-, di- or tri-substituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or denotes indol-3-yl, a process for their preparation, agents containing these compounds and their use.
Inventor(s): Teetz; Volker (Hofheim am Taunus, DE), Geiger; Rolf (Frankfurt am Main, DE), Urbach; Hansjorg (Kronberg, DE), Becker; Reinhard (Wiesbaden, DE), Scholkens; Bernward (Kelkheim, DE)
Assignee: Hoechst AG (Frankfurt am Main, DE)
Application Number:07/296,513
Patent Claim Types:
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Compound; Composition; Use;

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Foreign Priority and PCT Information for Patent: 5,061,722

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3143946Nov 05, 1981
Germany3226768Jul 17, 1982

International Patent Family for Patent: 5,061,722

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark172751► Subscribe
Finland863401► Subscribe
Finland80442► Subscribe
Finland81087► Subscribe
Finland823757► Subscribe
European Patent Office0150263► Subscribe
Finland863400► Subscribe
Spain8308542► Subscribe
Spain518133► Subscribe
Spain8308541► 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:

Johnson and Johnson
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