Regeneration of an iron based natural catalyst used in the hydroconversion of heavy crudes and residues
CA 1313651 C · Owner: Larrauri Derteano, Jose M. · Inventors: Krasuk, Julio; Larrauri Derteano, Jose M.; Ramirez De Agudelo, Magdalena M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for regenerating a spent naturally, occurring catalyst characterized by an iron content of about 10 to 70 wt.% as metal comprises contacting the spent catalyst with a mixture of water vapor and air in a water vapor/air ratio of between 1:1 to 20:1 at a flow rate of about 0.1 to 50 1/min. a temperature of about 200 to 700°C, a pressure of about 0.3 to 80 atmospheres for a time of about 0.1 to 20 hours so as to obtain a regenerated catalyst having a crystallinity value of about 1.0 to 6.5. -36-
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 February 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 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.