Nucleic acid test article and its use to detect a predetermined nucleic acid
CA 2026573 A1 · Owner: Findlay, John B. · Inventors: King, Marlene M.; Oakes, Fred T; Levenson, Corey H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nucleic acid test article can be used to detect a predetermined nucleic acid found in a specimen. The test article comprises a substrate having two opposing surfaces and a water-insoluble nucleic acid probe attached to at least one of the surfaces in a distinct zone thereof. The probe is composed of a water-insoluble particle to which is covalently attached an oligonucleotide which is complementary to a predetermined nucleic acid of interest. Substantially none of the probe is embedded within the surface of the substrate. Particularly useful test articles have a multiplicity of water-insoluble probes located in distinct zones on one of the substrate surfaces useful for the detection of …
Read the whole patent
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 January 26, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 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.