Process for enhancement of the selectivity of physically acting solvents used for the absorption of gas components from industrial gases
CA 2595967 C · Owner: Menzel, Johannes · Inventors: Menzel, Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process for recovering hydrocarbon compounds coabsorbed, in the absorption of sour gases from industrial gases such as natural gas, using, physically acting absorbents the pressure of the laden absorbent leaving the absorption device being increased first the laden absorbent subsequently , being fed to the head of the stripping column equipped with a bottom reboiler and one or several, side boilers and operated at pressure slightly higher than that in the absorption column, an equilibrium being obtained in the said stripping column by controlling in such a, manner that the sour gas concentration in the absorbent increases on its way to the, column bottom …
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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 January 12, 2006 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 12, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.