Supported nanoporous carbogenic gas separation membrane and process for preparation thereof
CA 2361664 A1 · Owner: Cooper, Thomas Bethea Iv · Inventors: Foley, Henry Charles; Shiflett, Mark Brandon; Staunton, Harold Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A supported nanoporous carbon membrane (SNPCM) exhibiting improved gas separation performance and a novel method for preparation thereof is described. The supported nanoporous carbon membrane is formed by the ultrasonic atomization and deposition of a thin uniform layer of furfuryl , alcohol resin in an acetone solvent, onto a porous support evaporating the , acetone, and pyrolyzing the furfuryl alcohol resin.
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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 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 10, 2022.
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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.