Method for controlling claus furnace with variable hydrocarbon feed composition
CA 1286481 C · Owner: Reed, Robert L. · Inventors: Reed, Robert L.; Holdeman, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Oxygen feed to a Claus plant is controlled by calibrating a hydrocarbon-representative response signal but not a hydrogen sulfide representative response signal responsive to the ratio of hydrogen sulfide:sulfur dioxide in effluent from the Claus plant. GMB:mh/go 86162ART0059
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.