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Details for Patent: 4,705,789

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Summary for Patent: 4,705,789

Title: Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids
Abstract:The invention relates to solutions of piperazinyl-quinolone- and piperazinyl-azaquinolone-carboxylic acids, and in particular both ready-to-use injection and/or infusion solutions and dosage forms which can be converted into such injection and/or infusion solutions before use. The solutions according to the invention are characterized in that, besides the lactic acid salts of the active substance and, if appropriate, customary auxiliaries, they additionally contain at least one acid which does not lead to precipitates, in particular lactic acid.
Inventor(s): Grohe; Klaus (Odenthal, DE), Lammens; Robert (Leverkusen, DE)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:06/644,834
Patent Claim Types:
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Formulation; Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,705,789

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3333719Sep 17, 1983

International Patent Family for Patent: 4,705,789

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria38332► subscribe
Australia3297684► subscribe
Australia562507► 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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