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Canadian application, no grantCanada

Oligodeoxyribonucleotide

CA 2083485 A1 · Owner: Shudo, Koichi · Inventors: Shudo, Koichi; Hashimoto, Yuichi; Fujimori, Shizuyoshi

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An oligodeoxynucleotide comprising an oligonucleotide formed by linking the 5'-phosphoric acid ester of a nucleoside that comprises 2-deoxy-L-erythro-pentose and a nucleic acid base linked together in beta-configuration by the 3' ? 5' phosphodiester linkage and an, oligodeoxynucleotide comprising an oligonucleotide formed by alternately linking the 5'-phosphoric acid ester of a nucleoside that comprises 2deoxy-D-ribose and a nucleic acid base linked together in betaconfiguration with the 5'-phosphoric acid ester of a nucleoside that comprises 2-deoxy-L-erythro-pentose and a nucleic acid base linked together in beta-configuration by the 3'? 5'phosphodiester linkage are provided. These …

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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 26, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 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.
FiledJuly 26, 1991
GrantedNo grant recorded
Term endedJuly 26, 2011
Patent numberCA 2083485 A1
Classification (IPC)C12P19/34 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedJuly 26, 1991Term endedJuly 26, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.