Determination and detection of antibody and its immunoglobulin class
CA 2021946 A1 · Owner: Ogura, Minoru · Inventors: Ogura, Minoru; Kohno, Hideki; Ito, Michio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This method can determinate and detect an antibody in a biological fluid sample against a specific antigen and its immunoglobrin class. This method comprises the step of:, -----providing a first reagent of insoluble substrate particles carrying the antigen on the surface thereof and a second reagent of insoluble substrate particles carrying on the surface thereof a substance paticulary reactive to a specific immunogloblin class, the latter reagent containing a magnetic material;, -----reacting the sample with both of the reagents in a reaction system;, -----agglomerating the antigen-carrying particles together with the magnetic material-containing particles through the antibody;, …
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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 July 25, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 25, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 25, 2012.
- 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.