Processes and means for the isolation and purification of nucleic acids at surfaces
CA 2771000 A1 · Owner: Qiagen Gesellschaft Mit Beschraenkter Haftung · Inventors: Bastian, Helge; Schorr, Joachim; Fuhrmann, Guido
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention involves new processes and equipment for the isolation and purification of , nucleic acids on surfaces. The invention is aimed at processes which use surfaces, e.g. porous , membranes, at which out of the sample containing the nucleic acids in a , simple manner, nucleic , acids can be immobilized and can be released by means of equally simple process steps, whereby , the simple carrying out according to the invention, particularly permits the performance of the , processes fully automatically. A further aspect of the invention is aimed at the fact, that nucleic , acids are bonded to an immobile phase particularly a membrane, in such a way that they can be , …
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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 April 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2021.
- 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.