Immunostimulant oligonucleotide
CA 2376634 A1 · Owner: Sodoyer, Regis · Inventors: Sodoyer, Regis; Trannoy, Emmanuelle; Bachy, Monique
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an oligonucleotide which can stimulate human cells of the immune system, characterized in that it comprises at least one nucleotide sequence of formula 5'TTN1N2TT3' wherein T represents thymine and N1 and N2 , can both represent adenine thymine, cytosine or guanine. The invention is further characterized in that it is devoid of the CG dinucleotide in which cytosine C is not methylated. One oligonucleotide of particular interest has the following sequence: 5'TTAGTTCTTAGTTN3TTAGTT 3'. Said oligonucleotide can be used in a particularly advantageous manner as an adjuvant for vaccines.
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 June 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 8, 2022.
- 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.