Method for selectively removing virus and leukocytes, removing material and removing apparatus
CA 2464351 A1 · Owner: Asahi Medical Co. Ltd. · Inventors: Onodera, Hirokazu; Yoshida, Makoto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is intended to provide a method whereby a virus and leukocytes can be simultaneously eliminated from virus-containing blood and platelets can be collected at a high yield, and a material and an apparatus therefor. A watersoluble support having surface which is capable of capturing a virus and leukocytes in blood but allows the permeation of platelets therethrough is brought into contact with virus-containing blood. Thus the virus and leukocytes can be simultaneously eliminated from the blood while platelets can be collected at a high yield.
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 October 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 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.