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Expired Canadian patentCanada

Glyphosate-resistant plants

CA 1313830 C · Owner: Horsch, Robert Bruce · Inventors: Rogers, Stephen Gary; Shah, Dilip Maganlal; Fraley, Robert Thomas

CIPO record

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Abstract From the Canadian patent

Abstract of the Disclosure, This invention involves a cloning or expression vector comprising a gene which encodes 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) polypeptide which, when expressed in a plant cell contains a chloroplast transit peptide which allows the polypeptide, or an enzymatically active portion thereof, to be transported from the cytoplasm of the plant cell into a chloroplast in the plant cell and, confers a substantial degree of glyphosate resistance upon the plant cell and plants regenerated therefrom. The EPSPS coding sequence may be ligated to a strong promoter, such as the 35S promoter from cauliflower mosaic virus, to create a chimeric gene. Such genes can be …

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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

  • Granted February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 6, 1986
GrantedFebruary 23, 1993
Term endedFebruary 23, 2010
Patent numberCA 1313830 C
Classification (IPC)C12N15/29 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 6, 1986Patent grantedFeb 23, 1993Term endedFeb 23, 2010

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