Hydrodesulfurization catalyst
CA 1104997 A · Owner: Gulf Research & Development Company · Inventors: Paraskos, John A.; Mckinney, Joel D.; Frayer, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A catalyst having utility as a downstream catalyst in processes for hydrodesulfurization of asphaltene-containing petroleum oils, coal liquids, shale oil or oils from tar sands which employ both upstream and downstream catalysts in series. The downstream catalyst comprises supported Group VI and Group VIII metals together with a promoting amount of a Group IV-B metal. The particles of said promoted catalyst are elongated extrudates whose surface is provided with a plurality of alternating longitudinal grooves and protrusions. In processes using this catalyst the, upstream catalyst comprises Group VI and Group VIII metals without promotion with Group IV-B metal and …
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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 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 1998.
- 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.