Regeneration process of an aromatisation catalyst
CA 1187859 A · Owner: Elf France · Inventors: Bernard, Jean R.; Breysse, Michele
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process for the regeneration of an aromatisation catalyst containing a metal of Group VIII supported on zeolite. In the process the catalyst, is subjected to a combustion then an oxychloration. Accord-, ing to the invention the oxychloration step is followed, by a hydration step. The treatment according to the invention increases the selectivity of the regenerated catalyst.
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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 May 28, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2002.
- 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.