Separation material for blood coagulation factor' preparation and use thereof
CA 2032607 A1 · Owner: Yamaguchi, Masato · Inventors: Joko, Isao; Yamaguchi, Masato; Morita, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A separation material capable of realizing efficient separation and recovery of a blood coagulation factor especially blood coagulation factor VIII or complex thereof with von Willebrand factor, from plasma or from samples containing blood coagulation factors. The separation material for separating and recovering a blood coagulation factor comprises a porous matrix having linked thereon one or more ligands each consisting of a radical exhibiting an affinity to the blood coagulation factor to be recovered, said matrix having a specific surface area of at least 1.5 m2 per milliliter of the separation material with respect to pores having diameters of at least 0.1 µ m and being derived from a …
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 December 18, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2012.
- 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.