Freezing and thawing bag, mold, apparatus and method
CA 2258283 A1 · Owner: New York Blood Center, Inc. · Inventors: Rubinstein, Pablo; Coelho, Philip H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bag (10), method of manufacture and process are disclosed for the cryopreservation of thermolabile substances. The bag is characterized as having substantially uniform thickness throughout its length and height. The bag features a radiused peripheral edge wall (4) for stress relief and to provide the constant cross section. A peripheral flashing circumscribes the radiused edge wall and provides a suitable purchase area for sealing so that , the thus formed bag is less susceptible to fracture particularly when exposed to cryogenic temperatures. The uniform thickness of the bag promulgates uniform heat transfer to and from the contents of the bag in relation to any surrounding …
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 June 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2019.
- 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.