Process for regenerating metal-contaminated hydrocarbon conversion catalysts
CA 1069871 A · Owner: Exxon Research And Engineering Company · Inventors: Luckenbach, Edward C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydrocarbon conversion catalysts which have become deactivated by the deposition of coke and metal contaminants such as nickel iron, vanadium, etc. are regenerated under conditions which include temperatures in excess of 1300°F. and the periodic use of an amount of oxygen which is in excess of that required to completely burn the coke to C02.
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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.