Iontotherapeutic devices, reservoir electrode devices therefor, process and unit dose
CA 2109092 A1 · Owner: Banga, Ajay K. · Inventors: Banga, Ajay K.; Chien, Yie W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided are reservoir electrodes (10) for iontotherapeutic devices which have two chambers; the first chamber (14) is electrically connected to the iontotherapeutic device and is designed to contain electrolytic solution and the second chamber (16) has ionized pharmaceutical dissolved in electrolytic solution. The two chambers are separated by a permselective membrane (18). The first chamber has means to inhibit increase in ionic content caused by the operation of the iontotherapeutic device. Also provided are unit dose forms (34) adapted for insertion into the reservoir electrodes. The dose unit forms are made of crosslinked polymer and contain ionizable pharmaceutical which is released …
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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 September 25, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.