Processing nitrogen-rich, hydrogen-rich, and olefin- rich gases with physical solvents
CA 1298065 C · Owner: Mehra, Yuv R. · Inventors: Mehra, Yuv R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous process is disclosed for separating components of a hydrocarbon gas stream which are selected from the group consisting of hydrogen, nitrogen, methane, ethylene, ethane higher, saturated and unsaturated hydrocarbons and mixtures, thereof by countercurrently contacting the hydrocarbon gas stream with a physical solvent selected from the group consisting of:, 1) paraffinic solvents having molecular weights ranging from 75 to 140 and UOP characterization factors ranging from, 12.0 to 13.5 these factors being, independent of the aromatic content of the paraffinic solvents, 2) naphthenic solvents having molecular weights ranging from 75 to 130 and UOP characterization factors …
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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 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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
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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.