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Canadian application, no grantCanada

Method for identifying mismatch repair glycosylase reactive sites, compound and uses thereof

CA 2321119 A1 · Owner: Dana-Farber Cancer Institute, Inc. · Inventors: Makrigiorgos, G. Mike

CIPO record

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

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Abstract From the Canadian patent

The present application discloses a method of identifying mutations in a target DNA sequence. The method involves: (a) hybridizing the target DNA sequence with a control DNA sequence wherein said control DNA sequence is the wild-type DNA sequence corresponding to the target DNA sequence to create a duplex; (b) treating the duplex to remove any spontaneous aldehydes; (c) reacting the duplex with a repair glycosylase to convert any mismatched sites in the duplex to reactive sites containing an aldehyde-containing abasic site; (d) reacting the duplex with a compound of the formula X-Z-Y wherein X is a , detectable moiety, Y is NHNH2 O-NH2 or NH2, and Z is a hydrocarbon, alkylhydroxy …

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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 February 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 23, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 23, 1999
GrantedNo grant recorded
Term endedFebruary 23, 2019
Patent numberCA 2321119 A1
Classification (IPC)C07H21/04

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedFeb 23, 1999Term endedFeb 23, 2019

Sources & verification

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