Multox: extraction of metal values from metal bearing ores
CA 2070722 A1 · Owner: Hallinan, Mark S. · Inventors: Hallinan, Mark S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the extraction of metal values from metal bearing ores. More specifically, the invention comprises in a process 10 for extracting metal values from metal bearing ores, a method of enhancing metal value recovery from the ore. The method comprises introducing upstream of a metal recovery, section 26 a gaseous agent by means of arrangements 30. The gaseous agent is capable of promoting recovery of metal values from the ore. The gaseous agent introduction is into at least one of the pipelines 20, 24, 28 conveying ore slurry or process water for use in slurrying ore or for slurry make-up. The gaseous agent introduction is effected at a plurality of spaced points or …
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 June 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 8, 2014.
- 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.