A method for measuring the concentration of impurities in nitrogen, hydrogen and oxygen by means of ion mobility spectrometry
CA 2427015 A1 · Owner: Pusterla, Luca · Inventors: Pusterla, Luca; Stimac, Robert; Succi, Marco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the quantitative analysis of the impurities content in nitrogen hydrogen and oxygen by emans of ion mobility spectrometry is described consisting in using argon, or a mixture containing no impurities and consisting of the gas which has to be analyzed and argon as a counterflow gas , in the separation zone of the ion mobility spectrometer.
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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 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 12, 2023.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.