Methods and compositions for chromatography
CA 2466664 A1 · Owner: Herman, Heath H. · Inventors: Herman, Heath H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to methods and compositions for separating and isolating target molecules. In particular the present invention comprises , devices such as CCDs, that contain particles without the need of support structures. Chromatography separation techniques including but not limited , to, ion exchange reversed phase and normal phase partitioning are used in , the CCD. Methods also include low medium and high pressure liquid , chromatography. such methods can be used for analytical semi-preparative , processes, initial clarification preparative filtration and process scale applications.
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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 November 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2024.
- 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.