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Canadian application, no grantCanada

Methods for detecting and reversing resistance to macrocyclic lactone compounds

CA 2288853 A1 · Owner: Xu, Ming · Inventors: Beech, Robin N.; Xu, Ming; Liu, Hao Yuan

CIPO record

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Abstract From the Canadian patent

This invention describes nucleic acid molecules or the fragments thereof extracted from nematode or arthropod pests or recombinant which encode P-, glycoprotein homologs and regulate resistance to the macrocyclic lactone compounds, and their expression product. Also described are methods for detecting the gene encoding for resistance to the macrocyclic lactone compounds in nematode or arthropod pests which comprise comparing nucleic acids extracted from a pest specimen to those encoding for resistance and susceptibility to the pesticides. The invention is further drawn to methods and compositions for increasing the efficacy of the macrocyclic lactone compounds against resistant …

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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 April 29, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 29, 1998
GrantedNo grant recorded
Term endedApril 29, 2018
Patent numberCA 2288853 A1
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 29, 1998Term endedApril 29, 2018

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