Installation for continuous fire refining of copper
CA 2579586 C · Owner: Wallner, Stefan · Inventors: Riveros, Gabriel; Warczok, Andrzej; Gonzalez, Luis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a system for continuous fire refining of liquid copper. The system has an , oxidation reactor with an input launder for receiving blister copper by continuous gravity feed to , produce liquid oxidized copper. A reduction reactor is connected in series to the oxidation , reactor, for removing the liquid oxidized copper from the oxidation reactor by continuous gravity , feed and having an output launder for egress of liquid reduced copper from the reduction , reactor. The oxidation reactor houses a packed bed of chemically neutral grains through which , the received blister copper descends. The oxidation reactor provides at least one opening for , the introduction of …
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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 6, 2005 and granted June 13, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 6, 2025.
- 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.