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Canadian application, no grantCanada

Engineering salt tolerance in crop plants

CA 2313449 A1 · Owner: Aharon, Gilad · Inventors: Blumwald, Eduardo; Aharon, Gilad; Apse, Maris

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 invention is an isolated nucleic acid molecule encoding a Na+/H+ exchanger protein for extrusion of sodium ions from the cytosol of a cell to provide the cell with salt tolerance. In a preferred embodiment the nucleic , acid, is obtained from Arabidopsis thaliana. Crop species transformed with the gene are capable of surviving in soil with high salt levels that would normally inhibit, growth of the crop species.

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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 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 21, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 21, 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.
FiledJuly 21, 2000
GrantedNo grant recorded
Term endedJuly 21, 2020
Patent numberCA 2313449 A1
Classification (IPC)C12N15/29 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJuly 21, 2000Term endedJuly 21, 2020

Sources & verification

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