Expired Canadian patentCanada
Medicaments for inhalation comprising steroids and fluorene carboxylic acid esters
CA 2533792 C · Owner: Pohl, Gerald · Inventors: Pohl, Gerald; Reichl, Richard; Germeyer, Sabine
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel pharmaceutical compositions based on steroids and salts of a new anticholinergic processes for preparing them and , their use in the treatment of respiratory complaints.
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
- Filed July 17, 2004 and granted September 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 17, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2026.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 2004
GrantedSeptember 11, 2012
Term endedJuly 17, 2024
Patent numberCA 2533792 C
Classification (IPC)A61K31/53 +2 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.