Methods for the recovery of tissue plasminogen activator
CA 1333163 C · Owner: Rice, Craig W. · Inventors: Rice, Craig W.; Morser, Michael John; Donner, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for recovering t-PA from a liquid medium is disclosed. The method comprises contacting a liquid medium with at least one substrate capable of effecting a separation of intact t-PA from degraded t-PA thereafter recovering the intact t-PA free from other unrelated protein. The present invention also provides compounds produced by this method compounds, comprising intact one-chain t-PA and pharmaceutical compositions containing them and methods for using such compositions.
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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
- Granted November 22, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 22, 2011.
- 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.