Methods and devices for producing biomolecules
CA 2517467 C · Owner: Urthaler, Jochen · Inventors: Urthaler, Jochen; Ascher, Christine; Zambiasi, Helga
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A scalable process and device for producing a biomolecule in particular , pharmaceutical grade plasmid DNA. The process includes the steps of alkaline lysis and a neutralization. For separating the lysate and the precipitate the , mixture is allowed to gently flow downward through a clarification reactor that is partially filled, in its lower part with retention material like , glass beads whereby the precipitate is retained on top of and within the retention. In a preferred embodiment of the lysis step cell suspension and , alkaline lysis solution flow through a lysis reactor that is filled with particulate material like glass beads. The process can be run continuosly and fully …
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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 23, 2004 and granted February 9, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 2026.
- 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.