Method and device for producing a predetermined distribution of detectable change in assays
CA 2254075 A1 · Owner: Metrika Laboratories, Inc. · Inventors: Allen, Michael P.; Blatt, Joel M.; Patel, Paul J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transport matrix and diagnostic device are provided which produce a physically detectable change in a predetermined distribution across a detection zone which correlates with the amount of selected analyte in a sample. The matrix includes detection zones (26 and 28) having a capture reagent yielding a physically detectable change which correlates with the amount of selected analyte in a sample. The detection zone has a leading boundary (100) which first encounters the sample and a trailing boundary (102) which encounters the sample after being transported across the detection zone. The capture reagent is immobilized on the matrix in a predetermined distribution from the leading …
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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 May 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2019.
- 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
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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.