Combinations of epinastine, belladonna and pseudoephedrine as new pharmaceutical formulations
CA 2477751 A1 · Owner: Boehringer Ingelheim International Gmbh · Inventors: Seko, Noritaka
Overview
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 oral pharmaceutical compositions comprising as pharmaceutically active compounds a combination of an antihistaminic-effective amount of epinastine or a pharmaceutically acceptable salt thereof, an anticholinergic amount of Belladonna alkaloids (Belladonna) or a pharmaceutically acceptable salt thereof and of a decongestant-effective amount of pseudoephedrine or a pharmaceutically acceptable salt thereof. Optionally, the formulation may comprise methylephedrine (methylephrine) in a decongestant-effective amount or a pharmaceutically acceptable salt thereof. The formulation further comprises suitable pharmaceutically acceptable carriers or …
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 March 28, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 2025.
- 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.