System and method for regeneration of a fluid
CA 2598486 C · Owner: Wallenas, Anders · Inventors: Wallenas, Anders; Wramner, Lars
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system comprising a blood circuit including a membrane arranged in a blood filter (7) in which blood is in contact with a first side of said membrane; and a dialysis circuit in which a dialysis fluid is in contact with the other side of the membrane for exchange of substances and ions through the membrane as well as water. The dialysis fluid is circulated from a dialysis compartment and through a RO filter (9) . The permeate fluid i.e. water is returned to , the dialysis compartment. The retentate fluid from the RO filter (9) passes through a separation filter (13) . The retentate fluid is returned to the dialysis compartment and the permeate fluid is removed from the dialysis …
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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 February 16, 2006 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.