Stabilized plasminogen activator precursor and method of producing the same
CA 1283047 C · Owner: Narita, Shusaku · Inventors: Sagane, Motoshi; Narita, Shusaku; Ohara, Kazuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plasminogen activator precursor obtainable from a serum-free culture fluid of human kidney cells is stabilized by adding to its solution gelatin poly-C1-, C5-alkylene glycols, polyethylene-polyoxypropylene copolymers, mandelic acid salts, triethanolamine acid, addition salts of acetylglycillysine methyl ester guanidine salts, thiocyanic acid salts alkali metal, iodides or serine.
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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
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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.