Sterilisable probe for extraction of volatile compounds in liquids and their quantitative determination
CA 2474760 A1 · Owner: National Research Council Of Canada · Inventors: Beland, Mario
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved tube probe for measuring volatile compounds in a liquid or gas contained in a reactor or in any other environment is disclosed as are improved gas detecting mechanisms. The probe is made of a single piece of metal (10), to one end of which is attached a gas permeable tubing (26) threaded on a supporting plate (28). The plate permits to use of a variety of tube lengths and diameters while protecting the tube from mechanical stress due to agitation and aeration. Furthermore the plate gives the possibility to , have a longer permeable tube than the single loop probe approach. The probe is designed so that when in use, substantially only the tube is located inside the …
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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 February 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 2025.
- 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.