Affinity trap reactor and single-step process for purifying angiostatin-like fragment from human plasma using the same
CA 2512894 A1 · Owner: Shimizu, Kosuke · Inventors: Shimizu, Kosuke; Hasumi, Keiji
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 an affinity trap reactor allowing efficient progress of a reaction between an enzyme bonded to a support and a substrate without restriction in use depending on the types of the enzyme and substrate employed. An affinity trap reactor comprising a support having an enzyme and a molecule specifically reacting with the substrate of the enzyme bonded thereto; and a process for obtaining BL-angiostatin in a single step from plasminogen contained in a biological sample which comprises applying the biological sample containing plasminogen to an affinity trap reactor comprising a support having bacillolysin MA and lysine bonded thereto and reacting at 0 to 50 ~C …
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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 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 17, 2025.
- 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
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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.