Management of segregating industrial tailings by using thickeners producing segregated thickened tailings
CA 2363932 A1 · Owner: Ozum, Baki · Inventors: Ozum, Baki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention claims that for the management of segregating industrial tailings, such as tailings produced by oil sands mining and coal industry, the tailings is thickened, by using a suitable thickener producing segregated thickened tailings as thickener, underflow and release water as thickener overflow. The production of segregated, thickened tailings in the thickener is the key factor for fast recovery of the released water, from the tailings stream. Thickener overflow is the release water which is , preferably, reconditioned and recycled. The thickener underflow is the segregated thickened tailings, which can be converted to engineered tailings product and discharged for …
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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 November 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2023.
- 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.