Gas stream purification method
CA 2606332 C · Owner: Praxair Technology, Inc. · Inventors: Arman, Bayram; Bonaquist, Dante P.; Lane, Jonathan Andrew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of purifying a gas stream (12) by removing oxygen from the gas stream in which the gas stream (12) is introduced into a series of electrically driven oxygen separation zones (16, 18 20) that separate the oxygen from the gas stream (12) . Each of the electrically driven oxygen separation zones (16 18, 20) has an electrolyte (34) that conducts oxygen ions upon the application of the voltage (38, 39, 40) to electrodes (22 24; 26, 28; 30, 32) sandwiching , the electrolyte (34) . The voltage (38 39, 40) applied to each of the , electrodes (22 24; 26, 28; 30, 32) of the separation zones (16 18, 20) is , selected such that an ionic current induced in the electrolyte (34) within a …
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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 April 19, 2006 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 19, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.