An apparatus and method for separating particles using a pliable vessel
CA 2094258 A1 · Owner: Cellpro, Incorporated · Inventors: Kalamasz, Dale
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for separating target particles from a mixture of target and non-target particles. The apparatus includes a vessel (12) having an inlet (28) through which the mixture may be introduced and an outlet (30) through which the fluid may exit at least a portion of which is pliable; a bed of binding material (24) disposed within the vessel (12) the binding material (24), attracting the target particles such that the target particles may become bound thereto and being porous enough to allow the non-target particles to pass therethrough; and a screen (26) disposed below the binding material (24) for retaining the binding material (24) in place. The pliable portion of the …
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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 October 18, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 2013.
- 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.