Particle based binding assay
CA 2589071 C · Owner: Nikula, Hannu · Inventors: Murtovuori, Mira; Nikula, Hannu; Luotola, Juhani
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method for detecting the presence or amount of an analyte in a sample, said method comprising: a porous surface to which particles having attached thereto a binding substance analyte and binding , substance coated label particles are added. If said analyte is present in the sample an immuno- or chemical reaction occurs in the liquid phase. The separation of bound complex from unbound material is achieved by using said surface where the separation occurs mainly two dimensionally on the surface of the porous surface (e.g. grid). Interestingly the disclosed surface enables a , separation where said complexes are distributed two dimensionally on the …
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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 November 23, 2005 and granted May 13, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 23, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.