Methods and compositions for improved bioavailability of bioactive agents for mucosal delivery
CA 2275502 A1 · Owner: Elan Drug Delivery Limited · Inventors: Roser, Bruce Joseph; Kampinga, Jaap; Sanderson, Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention encompasses compositions for increased bioavailability through mucosal delivery comprising, preferably in powder form an intimate mixture of , an effective amount of a bioactive agent and a hydrophobically derivatized carbohydrate. The compositions can also contain a surface active agent preferably for delivery to gastrointestinal mucosa and ocular delivery.
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 December 31, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 31, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 2019.
- 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.