Density and magnetic separations
CA 1053612 A · Owner: Anglo American Corporation Of South Africa Limited · Inventors: Horsfall, David W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for recovering magnetic dense medium particles from a suspension containing these particles and other less dense particles includes the steps of subjecting the suspension to at least a single stage high relative density separation to form a first fraction containing substantially only dense medium particles and a second fraction containing the bulk of the other particles and some dense medium particles and, subjecting the second fraction to a magnetic separation for recovery of the remaining dense medium particles. Each stage of the high relative density separation is effected in a cyclone. The suspension may be the overflow or the underflow from a dense medium process for the …
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
- Granted May 1, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 1996.
- 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.