Process for flocculating recycle water from oil sands processing to effect efficiencies
CA 1301692 C · Owner: Suncor, Inc. · Inventors: Martschuk, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the process of recovering bitumen from oil sands wherein the oil sands are subjected to a hot water extraction comprising the steps of conditioning the oil sands settling, the conditioned oil sands in separation cells and subjecting the middlings layer to a scavenging step the improvement of, flocculating the discharge from the separation cells and/or scavenger circuits and recycling the released water to the conditioning step and separation cells.
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 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.