Quinolone and naphthyridine antibacterial agents containing an alpha-amino acid in the side chain of the 7-substituent
CA 1339216 C · Owner: Sanchez, Joseph Peter · Inventors: Sanchez, Joseph Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel quinolone and naphthyridine antibacterial agents are herein described having improved in vivo activity both orally and subcutaneously where the 7-side chain of such compounds contain an .alpha.-amino acid; also described are its corresponding optical isomers, methods of preparation as well as compositions and methods of treating infectious diseases. The naphthyridine antibacterial agents are of the following general structure:, (see fig. 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 August 5, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2014.
- 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
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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.