Ore pelletisation
CA 1319016 C · Owner: Allied Colloids Limited · Inventors: Allen, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ore Pelletisation, Finely divided mineral ore is pelletised using a soluble synthetic polymer. Preferably the polymer is in the form of beads made by reverse phase polymerisation and all having a size of below 300µm. When the ore gives a pH in water of below 8 the soluble polymer is preferably cationic.
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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.