Method for preparation of rna probe, method for detecting targeted nucleic acid, and kit for preparation of rna probe
CA 2388919 A1 · Owner: Okazaki, Yasushi · Inventors: Okazaki, Yasushi; Hayashizaki, Yoshihide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of preparing labeled RNA probe by reacting RNA polymerase in the presence of a DNA fragment comprising a promoter sequence for the RNA polymerase, and substrates of the RNA polymerase. In the method at least one of said , substrates, comprises said label and said RNA polymerase is mutant RNA polymerase where at, least one of the amino acids of wild type RNA polymerase has been modified to permit, incorporation of the substrate having a label or to improve the incorporation of the, substrate having a label. A method of detecting targeted nucleic acid in which targeted, nucleic acid and labeled RNA probe prepared by the above method are mixed and RNA, probe that has hybridized …
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 3, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 3, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 2024.
- 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.