7-amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo- quinoline-3-carboxylic acids, processes for their preparation and antibacterial agents containing these compounds
CA 1304738 C · Owner: Zeiler, Hans-Joachim · Inventors: Metzger, Karl Georg; Zeiler, Hans-Joachim; Petersen, Uwe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to 7-amino-1-cyclopropyl-6,8difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acids processes for their preparation and compositions containing them as antibacterial agents. Also included in the invention are methods for treating bacterial infection using the compounds and compositions of the invention. The compounds have the general structural formula I:, (I)
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.