Catalytic reforming process
CA 1189814 A · Owner: Exxon Research And Engineering Company · Inventors: Swan, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process wherein in a series of reforming zones, or on-stream reactors each of which contains a bed, or, beds of catalyst the catalyst in the leading reforming, zones is constituted of supported platinum and a relatively low concentration of rhenium, the catalyst in the last reforming zone, or reactor of the series is constituted of, platinum and a relatively high concentration of rhenium and a swing reactor, also containing a supported platinum and rhenium catalyst, is manifolded so that it can be substituted for any one of the on-stream reactors of the unit. The upper portion of the swing reactor contains a catalyst constituted of platinum and a relatively low concentration of rhenium, …
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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 July 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 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.