Method for removal for furfural coke from metal surfaces
CA 1296280 C · Owner: Turner, Joe D. · Inventors: Turner, Joe D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for removing furfural-derived coke from metallic surfaces by heating in an oxygen-containing gas, such as air for a time and at a, temperature sufficient to change the crush strength of the furfural coke to a point which will permit easy removal of such coke without such an evolution, of heat that the metallurgical properties of said metal surfaces are undesirably changed.
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 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2009.
- 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.