Production of diesel fuel from bitumen
CA 2440594 C · Owner: Davis, Stephen Mark · Inventors: Davis, Stephen Mark; Matturro, Michael Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing a diesel fuel stock from bitumen uses steam and a hydroisomerized diesel fraction produced by a gas conversion process to , respectively stimulate the bitumen production and increase the cetane number of a hydrotreated diesel fuel fraction produced by upgrading the bitumen to , form a diesel stock. The diesel stock is used for blending and forming diesel fuel.
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 March 1, 2002 and granted March 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2024.
- 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.