Shale oil demetallization process
CA 1231663 A · Owner: Tenneco Oil Company · Inventors: Silverman, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Trace metals, particularly As, Fe and Ni are, removed from hydrocarbonaceous oils particularly shale oil, by contacting the shale oil with quadrolobe alumina with or without a processing gas such as hydrogen or nitrogen at 500° F. to 800° F. at 250 to 750 psig and LHSV of 0.4 to 3.0 to deposit a portion of said trace metal onto said alumina and recover an oil product having substantially reduced amount of trace metal.
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 January 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2005.
- 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.