Hydrocarbon gas processing to recover propane and heavier hydrocarbons
CA 1297913 C · Owner: Randall Corporation (The) · Inventors: Prible, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cryogenic process for recovering propane and heavier hydrocarbons from natural gas streams or similar refinery or process streams containing lighter hydrocarbons such as methane and ethane. In the process disclosed the gas, to be separated is cooled which may include some condensation in which case the condensate is separated from the vapor and fed to a lower region of all the fractionating column. The cooled vapor from the separator is split into two streams. One portion of the split vapor stream work expanded to a midpoint of the fractionating column, while another portion of the split vapor stream is further cooled causing partial condensation the condensate being separated and fed to …
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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.