Device and method for isolating cell material out of a tissue medium and/or a liquid
CA 2295580 A1 · Owner: Bernhagen, Jurgen · Inventors: Dobler, Hannes; Bernhagen, Jurgen; Kiesewetter, Stefan
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 tank (1) with open top into which cell material in , a tissue medium and/or a liquid can be placed. The device comprises a separator in the form of a stamp comprising a flat-shaped separating disk (2) the ring edge of which is sealed water-proof to the inner walls of the tank and presents at least one passage covered by a membrane (5). The separating disk can be inserted from above into the tank (1) so that it can put under pressure said cell material together with the tissue medium and/or the liquid and activate the cell material by rotation by exerting shear forces. The cells and/or cell envelopes go through the pores of the membrane filter (5) while , …
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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 March 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2020.
- 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.