Oligonucleotide and dna de-hybridization on surfaces
CA 2302827 A1 · Owner: Furtado, Michelle · Inventors: Furtado, Michelle; Thompson, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Double stranded nucleic acids or oligonucleotides attached to a surface and resulting from gene probe testing i.e. consisting essentially of , a, probe strand and a test strand hybridized thereto are denatured by treatment, with an enzyme which is selective for digestion of one of the strands of double, stranded DNA in either the 5'-3' direction or the 3'-5' direction. Since one of the, ends of the probe strand is blocked e.g. by chemical blocking or detection groups or by attachment to an immobilizing support the reverse end of the , test, strand hybridized thereto is free and an enzyme specific for digestion of DNA in the direction starting from the free end of the test strand will …
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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 April 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2022.
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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.