Pharmaceutical composition
CA 1338438 C · Owner: Brown, Kenneth · Inventors: Brown, Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pharmaceutical composition comprising 9-ethyl-6,9dihydro-4,6-dioxo-10-propyl-4H-pyrano3,2-gquinoline -2,8-dicarboxylic acid or a pharmaceutically acceptable salt thereof, a pressurised or liquefied gas propellant and a, flavouring agent and/or a sweetening agent is useful in the treatment of reversible obstructive airways disease. The composition preferably contains nedocromil sodium as active ingredient. Flavouring agents which may be used include menthol and peppermint oil. Sweetening agents which may be used include sugar, aspartame, cyclamates and saccharin or salts thereof. The composition preferably includes both a flavouring agent and a sweetening agent. Any conventional aerosol …
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 July 9, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2013.
- 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.