3'-(2')-amino- or thiol-modified, fluorescent dye-coupled nucleosides, nucleotides and oligonucleotides, and a process for the preparation and the use thereof
CA 2057475 A1 · Owner: Dade Behring Marburg Gmbh · Inventors: Matthias, Mag; Herrlein, Mathias; Engels, Joachim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
s: HOE 90/F 367 3'-(2'-Amino- or thiol-modified, fluorescent dye-coupled nucleosides, nucleotides and oligonucleotides and a, process for the preparation and the use thereof The OH group located in the 3' and/or 2' position of a nucleoside, nucleotide or oligonucleotide is derivatized to an amino or thiol group and subsequently a fluorescent dye is coupled thereto. The resulting 3'- and/or 2'amino- and thiol-modified nucleosides, nucleotides and oligonucleotides can then be used for the synthesis of complementary strands in the presence of a template strand or of oligonucleotides and for the detection of genetic material. They have the advantage that the fluorescent label need no longer be …
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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 December 10, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2013.
- 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.