Process for the determination of prekallikrein
CA 1267598 C · Owner: Bartl, Knut · Inventors: Bartl, Knut; Lill, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for the determination of prekallikrein The present invention provides a process for the photometric determination of prekallikrein in plasma, wherein plasma is incubated with a surface activator, the extinction obtained is measured a, chromogenic thrombin substrate is then added thereto the optically determinable group liberated therefrom is measured at short time intervals or continuously and the gradient of the linear part of the curve obtained by plotting the time against the extinction is determined as a measure of the prekallikrein content.
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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 10, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2007.
- 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.