Non-oxidative catalytic method of sweetening a sour hydrocarbon fraction
CA 1300544 C · Owner: Uop Inc. · Inventors: Bricker, Jeffery C.; Imai, Tamotsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sour hydrocarbon fraction is sweetened by treating the sour hydrocarbon fraction containing mercaptans with sufficient unsaturated hydrocarbons in the presence of an acid-type catalyst at non-oxidative reaction conditions selected to convert said mercaptans to thioethers. Acid type catalysts which may be used include polymeric sulfonic acid resins, intercalate compounds, solid acid catalysts and acidic inorganic oxide catalysts.
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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 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.