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Details for Patent: 4,758,579

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Summary for Patent: 4,758,579

Title: Fluoroalkoxy substituted benzimidazoles useful as gastric acid secretion inhibitors
Abstract:Dialkoxypyridines of formula I ##STR1## wherein R1 is 1-3C-alkyl which is completely or predominantly substituted by fluorine, or a chlorodifluoromethyl radical and R1' is hydrogen, halo, trifluoromethyl, 1-3C-alkyl, or 1-3C-alkoxy which is optionally completely or predominantly substituted by fluorine, or R1 and R1', together with the oxygen atom to which R1 is bonded, are 1-2C-alkylenedioxy, which is optionally completely or partly substituted by fluorine, or chlorotrifluoroethylenedioxy, R3 is 1-3C-alkoxy, one of R2 and R4 is 1-3C-alkoxy and the other is a hydrogen atom or 1-3C-alkyl and n is 0 or 1, and salts thereof are new compounds with a pronounced protective action on the stomach. Processes for preparing these compounds, medicaments containing them and their use, as well as intermediate compounds and their use for preparing the subject dialkoxypyridines, are disclosed.
Inventor(s): Kohl; Bernhard (Konstanz, DE), Sturm; Ernst (Konstanz, DE), Rainer; Georg (Konstanz, DE)
Assignee: BYK Gulden Lomberg Chemische Fabrik GmbH (Konstanz, DE)
Application Number:07/045,799
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

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Foreign Priority and PCT Information for Patent: 4,758,579

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland2899/84Jun 16, 1984
Switzerland2901/84Jun 16, 1984

International Patent Family for Patent: 4,758,579

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria45737► subscribe
Australia4364085► subscribe
Australia578703► 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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