Method for cultivating cells, a membrane module, utilization of a membrane module and reaction system for cultivation of said cells
CA 2385362 A1 · Owner: Eisbrenner, Guenter · Inventors: Stahl, Reiner; Markl, Herbert; Mahr, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for cultivating cells utilizing a reaction system, whereby the reaction system comprises a compartment for dialysis fluid, a compartment for cultivating cells and a membrane module connecting both compartments, whereby each membrane module has at least two compartments which are separated from each other by said membrane one of said compartments , being flooded by dialysis fluid while the other compartment is flooded by culture fluid containing cells. A first gas is introduced into said culture fluid in said compartment for cell cultivation and a second gas is introduced into said culture fluid in the membrane module. Said membrane is a functional …
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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 September 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 21, 2022.
- 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
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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.