Method of purifying a gas stream contaminated by co2 and one or more hydrocarbons and/or nitrogen oxides by adsorption on an aggregated zeolitic adsorbent
CA 2550465 C · Owner: Arkema France · Inventors: Lutz, Cecile; Schmitt, Paul-Guillaume
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a novel method of purifying a gas stream contaminated by CO2, hydrocarbons and/or nitrogen oxides in particular a gas , stream based an air or a syngas by adsorption an a bed of aggregated zeolitic adsorbent based an an LSX zeolite or LSX and X zeolites of which at least 90% , of the exchangeable cationic sites of the LSX zeolite or of the LSX/X zeolite blend are occupied by sodium Ions, and the inert binder of which represents at most 5% of the weight of the adsorbent.
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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 December 16, 2004 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 16, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.