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Details for Patent: 4,957,922

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Summary for Patent: 4,957,922

Title: Infusion solutions of 1-cyclopropyl-6-fluoro-1,4-di-hydro-4-oxo-7-(1-piperazinyl)-quinoline-3- carboxylic acid
Abstract:An aqueous infusion solution containing 0.015 to 0.5 g of 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-quinoline-3-car box ylic acid per 100 ml of aqueous solution and an amount of at least one physiologically tolerated acid which suffices to dissolve the active compound.
Inventor(s): Lammens; Robert F. (Leverkusen, DE), Mahler; Hans F. (Colonge, DE), Serno; Peter (Colonge, DE)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:07/329,922
Patent Claim Types:
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Formulation; Compound;

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Foreign Priority and PCT Information for Patent: 4,957,922

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3537761Oct 24, 1985

International Patent Family for Patent: 4,957,922

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina244085► Subscribe
Austria59003► Subscribe
Australia571796► Subscribe
Australia6432786► Subscribe
Canada1282006► 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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