Sampling probe for the in situ extraction of organic micropollutants from groundwater
CA 2292159 A1 · Owner: Facchetti, Sergio · Inventors: Montanarella, Luca; Larsen, Bo; Franchini, Paolo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sampling probe for the in situ extraction of organic micropollutants from groundwater the object of which is to enable the application of the known solid-phase micro-extraction method to groundwater analysis is described. For achieving this aim it is proposed to provide a hollow elongated probe housing having a chamber and an extraction fiber being coated with an adsorbent material, for adsorbing an analyte, said extraction fiber being arranged in said chamber, said probe housing having at least one opening allowing said groundwater to enter said chamber in such a manner that said extraction fiber immerses at least, partially into said groundwater and to provide a connector means for …
Read the whole patent
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 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 14, 2021.
- 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.