Substituted bridged-diazabicycloalkyl quinolone carboxylic acids
CA 1340734 C · Owner: Jefson, Martin Raymond · Inventors: Mcguirk, Paul Robert; Jefson, Martin Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antibacterial compounds have the formula (see formula I), wherein R1 is hydrogen a pharmaceutically acceptable, cation, or alkyl; A is CH CF, CCl or N; Y is alkyl, haloalkyl, cyclopropyl vinyl, methoxy, N-methylamino, p-fluorophenyl p-hydroxyphenyl or p-aminophenyl; or A is carbon and is taken together with Y and the carbon and nitrogen to which A and Y are attached to form a five to seven membered ring which is optionally substituted; and R2 is a bridged-diazabicycloalkyl group.
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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 September 14, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2016.
- 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.