Expired Canadian patentCanada
9-aminoalkylfluorenes
CA 1136624 A · Owner: Eli Lilly And Company · Inventors: Lacefield, William B.; Simon, Richard L.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
9-Aminoalkylfluorene derivatives and pharmaceutically-acceptable salts thereof have been found to be very effective in the therapy of cardiac disorders particularly cardiac arrythmias.
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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 10, 1980
GrantedNovember 30, 1982
Term endedNovember 30, 1999
Patent numberCA 1136624 A
Classification (IPC)C07D295/15 +1 more
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.