Method and installation for producing treated natural gas from a c3+ hydrocarbon-rich cut and ethane-rich stream
CA 2592012 C · Owner: Technip France · Inventors: Paradowski, Henri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method comprising cooling the initial natural gas (13) and introducing same into a C2+ hydrocarbon recovery column (35). It comprises recovering the overhead stream (131) of the column (35) to form the treated natural gas (15) and recovering the bottoms stream (171) of the column (35) to introduce same at a supply level (P1) of the fractionating column (61) provided with an overhead condenser (63). The column (61) produces in the bottoms said C3+ hydrocarbon cut (17). The method comprises recovering the ethane-rich stream (19) from the intermediate level (P2) of the column (61) located above said supply level (P1) and the production of a secondary reflux stream …
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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 December 19, 2005 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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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.