Sulfur recovery process including removal of residual sulfur from claus catalyst after regeneration
CA 1290139 C · Owner: Cabanaw, Boyd E. · Inventors: Cabanaw, Boyd E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portion of the acid gas feedstream to a Claus plant is passed through Claus catalyst to strip residual sulfur and sulfur compounds from the catalyst. The resulting gas-in-process containing the stripped compounds can then be provided to a Claus conversion step. GMB:tb/lmw/tb 86282ART0053
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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 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.