Production of hydrocarbons
CA 1047542 A · Owner: Imperial Chemical Industries Limited · Inventors: Dyer, Peter; Waterman, David C. A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the thermal cracking of a hydrocarbon feedstock the quenching of the gases leaving the cracking zone is deliberately deferred for a very short time to permit continued endothermic reaction and thereby increase the ethylene yield.
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 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 1996.
- 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.