Electrochemical gaseous diffusion half cell
CA 2271297 A1 · Owner: Pinter, Hans-Dieter · Inventors: Pinter, Hans-Dieter; Camphausen, Jens; Gestermann, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrochemical half cell based on a gaseous diffusion electrode (5) as a cathode or anode, comprising a gas space for a gaseous diffusion electrode (5) formed by one or several gas pockets (2a 2b, 2c, 2d), an ion exchanger , membrane (40) a retaining element (11), a gas inlet (21) and a gas outlet (22), an electrolyte feed pipe (20), an electrolyte discharge pipe (22) and a housing (13). Said half-cell is characterized in that the gas diffusion electrode (5) is connected to one or more of the gas pockets (2a 2b, 2c, 2d) , thereby forming one or several modules (1a 1b, 1c, 1d) which are removably , secured to the retaining element (11) wherein the gas inlet (21) and the gas outlet …
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 October 31, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 31, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 2019.
- 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.