Hydrocarbon catalytic cracking process
CA 1071658 A · Owner: Gulf Research And Development Company · Inventors: Mckinney, Joel D.; Titmus, Robert A.; Readal, Thomas C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved hydrocarbon catalytic cracking process which comprises determining the concentrations of carbon dioxide and carbon monoxide in the gaseous effluent from the catalyst regeneration zone and adjusting the rate of addition of a selective treating agent to the hydrocarbon feed to the cracking zone so as to maintain a volume ratio of carbon dioxide to carbon monoxide of at least 2.2 in said effluent.
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 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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.