Micro extraction technique
CA 2315474 A1 · Owner: Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Health · Inventors: Forsyth, Donald S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention disclosed relates to a method and apparatus for solid phase microextraction of target analytes from solid or fluid samples. The apparatus comprises, gas tight enclosure means, means for introducing a sample including target analytes into, the enclosure means, and means located within the enclosure means for extracting the, target analytes from the sample wherein the extraction means either samples a head, space near the sample or samples the sample directly.
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 August 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 10, 2022.
- 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.