Drug delivery system including a drug transport enhancement mechanism
CA 2294202 A1 · Owner: Muller, David F. · Inventors: Muller, David F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drug delivery system includes a container (174) in which a shock wave is generated for transmission to a target material and a drug enhancement , mechanism for enhancing absorption of a medicament by the target material. The container (174) includes a shock generating chamber (322) a shock tube (308) , coupled to the shock generating chamber (322) having a membrane (310) mounted to a distal end through which the shock wave is transmitted and a shock wave , generating mechanism disposed within the shock generating chamber (322). Illustrative drug enhancement mechanisms include ultrasound iontophoresis, high-pressure gradients mechanical vibration, and surfactant. The shock generating …
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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 June 1, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 1, 2020.
- 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.