Process for the removal of water, co2, ethane and c3+ hydrocarbons from a gas stream
CA 2246915 A1 · Owner: Kratz, Wilbur Clymer · Inventors: Kratz, Wilbur Clymer; Golden, Timothy Christopher; Kalbassi, Mohammad Ali
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is set forth for the selective removal of water CO2, ethane and C3+, hydrocarbons from gas streams particularly a natural gas stream comprising primarily methane. The process comprises contacting the gas stream with an adsorbent material consisting exclusively of one or more compounds which are basic (i.e. compounds which when contacted with a pH neutral aqueous solution cause such solution to have a pH, greater than 7.0) and which are mesoporous (i.e. compounds which have moderately small pores providing a surface area less than 500m2/g). A key to the present invention is that the adsorbent material is selective for the removal of all the impurities noted above thereby, …
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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 September 9, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2020.
- 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.