Method and device for sample introduction of volatile analytes
CA 2349185 A1 · Owner: National Research Council Of Canada · Inventors: Sturgeon, Ralph; Mester, Zoltan
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 simple thermal desorption gas introduction interface for, sample introduction of volatile analytes into an atomic spectroscopic detector. An injector, is connected to the atomic spectroscopic detector via a first port. The injector further, comprises a sealed second port for inserting the volatile analyte bound to an extraction, phase. A heating block surrounding the injector heats the injector to a predetermined, temperature and keeps it substantially at the predetermined temperature. A carrier gas, flow of inert gas is provided into the injector through a third port of the injector located in, proximity to the second port. An auxiliary gas flow of …
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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 May 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2023.
- 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.