A chromatography system for automatically separating different compounds in a sample
CA 2480075 A1 · Owner: Albrecht, Robert W. Jr. · Inventors: Albrecht, Robert W. Jr.; Michel, Jonathan D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chromatography system (10) including a chromatography column (18) connected to receive a sample and separate different compounds in the sample a flow-, through detector (10) that outputs a signal indicating the presence of compounds in the sample leaving the column (18) a fraction collector (22) , that directs fractions of the sample from the column (18) to separate fraction wells (26), and an electronic controller (28) that receives inputs from the detector (10) and controls the fraction collector (22). The electronic controller (28) monitors the signal from the detector (10) over time and initiates a cut from one well (26) to another at the fraction collector (22) when the signal …
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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 March 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 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.