Skin electrode construction and transdermal drug delivery device utilizing same
CA 2074467 C · Owner: Zucker, Shlomo · Inventors: Zucker, Shlomo; Gross, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transdermal drug delivery device includes an electrode a porour insulating , layer on one side of the electrode and impregnated with a liquid containing the drug to be delivered a reservoir for , the liquid on the other side of the electrode and a dis-, placeable diaphragm controlling the feeding of the liquid from the reservoir to the porous insulating layer via a passageway through the electrode.
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 13, 1991 and granted February 19, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 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
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.