A method of preparing a fibrinogen concentrate from blood plasma, a device for carrying out said method, and a method of preparing fibrinogen from said concentrate
CA 2034100 C · Owner: Harimex-Ligos B.V. · Inventors: Van Dommelen, Frederik Susan; Wijngaards, Gerrit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of preparing fibrinogen concentrate from blood plasma by cooling said plasma from a temperature above 0 °C to a first temperature between, -10 °C and -40 °C, thawing the solid material thus obtained to a temperature near the freezing point of water and subsequently physically separating the solid matter and the liquid main fraction of the plasma viz, water, whereby the thawing is effected in steps from the first temperature to a conditioning temperature between -5 °C and -1 °C, after, which the size of the solid material is reduced and the reduced material is brought to a temperature at which the main fraction of the plasma viz, water, becomes liquid and the solubility of …
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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 January 14, 1991 and granted November 7, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.