Method and apparatus for controlled environment electrotransport
CA 2129242 C · Owner: Phipps, Joseph Bradley · Inventors: Moodie, Lyn Cammarano; Phipps, Joseph Bradley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods for conducting controlled environment electrotransport are described. The methods generally concern control of the ionic environment of the active electrode reservoir in an , electrotransport system. This control may be utilized for example, to, maintain a constant extraneous ion presence such as pH. It may also be , applied in a preferred manner to maintain selected control over the delivery rate of a target species in time, in the presence of , extraneous ions. Apparatus usable to provide for controlled environment electrotransport are also described. In general the apparatus comprises an electrotransport system (5) including an active electrode reservoir (6) having therein both …
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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 February 3, 1992 and granted December 25, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 3, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2014.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.