Affinity separation method
CA 2127605 A1 · Owner: Degen, Peter J. · Inventors: Degen, Peter J.; Alex, Tony; Salinaro, Richard Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an affinity separation method comprising (a) introducing affinity particles and a fluid containing a target compound to be isolated which is capable of adsorbing onto the affinity particles into a dynamic filtration apparatus comprising motive means a, filtration medium having upstream and downstream sides an, inlet in fluid communication with the upstream side of the filtration medium, and a filtrate outlet in fluid communication with the downstream side of the filtration medium, wherein the fluid is capable of passing through the filtration medium and the affinity particles are substantially incapable of passing through the filtration medium, (b) operating …
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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 July 7, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2016.
- 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.