Carbapenem antibiotics
CA 1283659 C · Owner: Misco, Peter F. Jr. · Inventors: Misco, Peter F. Jr.; Kim, Choung U.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula, in which A represents cyclopentylene cyclohexylene or C2-C6, alkylene optionally substituted by one or more C1-C4 alkyl groups and, represents a quaternized nitrogen-containing aromatic heterocycle, Such derivatives are useful as potent antibacterial agents. Also disclosed are processes for the preparation of such derivatives and novel intermediates utilized in these processes.
Read the whole patent
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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.