Process of thermally cracking heavy petroleum oil
CA 1283616 C · Owner: Shohji, Yoshihiko · Inventors: Takahashi, Yuzo; Takatsuka, Toru; Matsuo, Itaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A process of thermally cracking a heavy petroleum oil characterized in that the heavy petroleum oil is treated with the use of a combination of one cracking furnace and one perfect mixing type tank reactor, that the thermal cracking in the cracking furnace is performed at a temperature of 450-520 °C with a conversion of at least 50 % of the total conversion rate and that the thermal cracking in the tank reactor is performed at a temperature of 400-450 °C to produce a liquid pitch having a volatile matter content of 30-45 wt % and useful as a fuel along with a gaseous product including cracked light oil.
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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.