Treatment of hydrogen sulfide-containing gaseous compositions
CA 2318709 A1 · Owner: Kogelschatz, Ulrich · Inventors: Eliasson, Baldur; Killer, Eric; Kogelschatz, Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of treating a normally gaseous composition comprising hydrogen sulfide and at least one normally gaseous hydrocarbon, which method comprises the steps of feeding the normally gaseous composition into a reactor including a first electrode means, a second electrode means, and at least one layer of a normally solid dielectric material positioned between the first and the second electrode means; submitting the normally gaseous composition within the reactor to a dielectric barrier discharge; and controlling the dielectric barrier discharge to effect a selective conversion of a major portion at least, of the, hydrogen sulfide into hydrogen and sulfur while minimizing transformation of …
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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
- Filed September 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 2022.
- 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.