Hydrocarbon recovery process utilizing enhanced reflux streams
CA 2560554 C · Owner: Lummus Technology Inc. · Inventors: Foglietta, Jorge H.; Patel, Sanjiv N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and apparatus for the recovery of ethane and heavier components from a hydrocarbon feed gas stream. Feed gas stream is cooled (14 56) and , separated (22) into a first vapor stream (24) and a first liquid stream (36~). Vapor stream is divided into a first (26) and a second (28~) gas streams. First gas stream is expanded (70) and sent (30) to a fractionation tower (50). Second gas stream is supplied to an absorber tower (32). At least a part of the first liquid stream is cooled (38) and sent (48) to the absorber. Absorber column produces a lean vapor stream (34) and a second liquid stream (42). Lean vapor stream is cooled (38) and sent to the fractionation tower. Second …
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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 March 18, 2005 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 18, 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.