Method of preventing coke formation in thermal cracking of heavy hydrocarbons
CA 1083993 A · Owner: Chiyoda Chemical Engineering & Construction Co. Ltd. · Inventors: Endo, Tomizo; Shigeta, Masatomo; Ohtake, Masaichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for the thermal cracking of a heavy hydrocarbon in a cylindrical reactor, a portion of the liquid charge material in the reactor is removed and injected back into the reactor tangentially according to a specific procedure to form a wet wall or liquid curtain on the inner peripheral wall of the reactor, thereby preventing coking in the reactor.
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 August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 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.