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Details for Patent: 4,508,729

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Summary for Patent: 4,508,729

Title: Substituted iminodiacids, their preparation and pharmaceutical compositions containing them
Abstract:Compounds of the general formula: ##STR1## wherein: the ring A is saturated and n=0 or 1, or the ring A is a benzene ring and n=1, R.sub.1 represents a lower alkyl group which can carry an amino group, R.sub.2 represents a hydrogen atom or a lower alkyl group, R.sub.3 represents a straight or branched alkyl group, a mono- or di-cycloalkylalkyl or phenylalkyl group having no more than a total of 9 carbon atoms, or a substituted alkyl group, and also the salts thereof. These compounds are useful as therapeutic drugs.
Inventor(s): Vincent; Michel (Bagneux, FR), Remond; Georges (Versailles, FR), Laubie; Michel (Vaucresson, FR)
Assignee: Adir (Neuilly-sur-Seine, FR)
Application Number:06/308,234
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

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Foreign Priority and PCT Information for Patent: 4,508,729

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France80 21095Oct 02, 1980
France81 06916Apr 07, 1981

International Patent Family for Patent: 4,508,729

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina242949► subscribe
Austria7910► subscribe
Australia539414► 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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