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Canadian application, no grantCanada

Transgenic plants with altered polyol content

CA 2087036 A1 · Owner: Jensen, Richard G. · Inventors: Vernon, Daniel M.; Jensen, Richard G.; Bohnert, Hans J.

CIPO record

Overview

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

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Abstract From the Canadian patent

Transgenic plants have been produced which have been engineered to produce physiologically significant levels of sugar alcohols or polyols, which is not natively produced by plants of the species. Transgenic plants have been engineered to express a bacterial mannitol-1-P dehydrogenase which, in the reverse reaction in the plant cells, produces mannitol from fructose in a plant which does not natively produce mannitol. Levels of polyols in plant cells have been associated with osmotic regulation and thereby with water stress tolerance. The transgenic plants have significant research value, and, surprisingly, seem to exhibit enhanced growth rates and vigor, and stress tolerance. Another …

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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 May 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 8, 1992
GrantedNo grant recorded
Term endedMay 8, 2012
Patent numberCA 2087036 A1
Classification (IPC)C12N15/90 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMay 8, 1992Term endedMay 8, 2012

Sources & verification

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