Dry quenching of coke
CA 1047433 A · Owner: Nippon Kokan Kabushiki Kaisha · Inventors: Okada, Yutaka; Sasaguri, Kyoji; Ishihara, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a dry type quenching facility for red hot coke wherein an operation pressure at the upper portion of a quenching station thereof is set to within the range of 0 to +10 mmH2O the, improvement wherein red hot coke is charged into said station under a reduced pressure of 0 to -30 mmH2O so that escape of dust, and smoke from the station is restrained and pollution of the environment is avoided.
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.