Preparing a gaseous feed for a gas treating plant
CA 1330962 C · Owner: Shell Canada Limited · Inventors: Kaija, Steven Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Preparing a gaseous hydrocarbon-containing feed for a gas treating plant comprises a) supplying heated raw gas and heated raw liquid to a separation vessel (3); b) passing a gaseous stream and a liquid stream from the separation vessel (3) to a main distillation column (10) producing a gaseous product and a liquid product; c) heating the liquid product, returning part thereof to the main distillation column (10) as stripping agent and separating in a subsidiary distillation column (38) the C5+ fraction from the remainder; and d) condensing in cooler (18) part of the gaseous product to produce a hydrocarbon-containing liquid which is returned as reflux and a gaseous stream which is supplied …
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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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
- 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.