Stable, non-aqueous, single-phase gels and formulations thereof for delivery from an implantable device
CA 2508124 A1 · Owner: Fereira, Pamela J. · Inventors: Berry, Stephen; Desjardin, Michael A.; Fereira, Pamela J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a suspension vehicle and suspension formulations deliverable from an implantable delivery device. In particular the suspension vehicle of the present invention allows the formulation of beneficial agent suspensions that are stable over time at ambient and physiological temperatures. In addition the beneficial agent suspensions , formed using the suspension vehicle of the present invention allow controlled delivery of beneficial agent from an implanted delivery device over sustained periods of time, even when such delivery occurs at low flow rates through a , small-diameter delivery channel. Also included in the present invention are implantable delivery …
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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 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 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.