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Canadian application, no grantCanada

Heat stable mutants of starch biosynthesis enzymes

CA 2441207 A1 · Owner: Hannah, L. Curtis · Inventors: Greene, Thomas W.; Hannah, L. Curtis; Burger, Brian

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Abstract From the Canadian patent

The subject invention pertains to novel mutant polynucleotide molecules that encode enzymes that have increased heat stability. These polynucleotides when , expressed in plants, result in increased yield in plants grown under conditions of heat stress. In one embodiment the polynucleotide molecules of , the subject invention encode maize endosperm ADP glucose pyrophosphorylase (AGP) and soluble starch synthase (SSS) enzyme activities. Plants and plant issue bred to contain, or transformed with the mutant polynecleotides, and , expressing the polypeptides encoded by the polynucleotides are also , contemplated by the present invention. The subject invention also concerns methods for …

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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 March 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 2002
GrantedNo grant recorded
Term endedMarch 14, 2022
Patent numberCA 2441207 A1
Classification (IPC)C12N9/14 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMarch 14, 2002Term endedMarch 14, 2022

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