Cryopreservation system with controlled dendritic freezing front velocity
CA 2453436 A1 · Owner: Wisniewski, Richard · Inventors: Lee, Eric K.; Wisniewski, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A biopharmaceutical cryopreservation system (100) includes a container (104) having an outer surface area with the container being adapted to contain a biopharmaceutical material (110) for freezing and thawing therein. The container may be received in a cryocooling enclosure (106) having an interior cavity (108) configured to receive it. The cryocooling enclosure includes at least one heat transfer surface configured to contact the outer surface area of the container when the cryocooling enclosure interior cavity receives the container. Also, a cryocooler (114) is thermally coupled to the cryocooling enclosure and is configured to flow a fluid to the at least one heat transfer …
Read the whole patent
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 July 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2024.
- 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.