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Expired Canadian patentCanada

Flavonoid compounds and use thereof

CA 2565153 C · Owner: Chen, Chunquan · Inventors: Chen, Chunquan; Mciver, John; Mciver, Hannah

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Abstract From the Canadian patent

The use of a one or more flavonoid compound Signals which may be with an agriculturally acceptable carrier, applied prior to planting up to 365 days , or more, either directly to the seed or transplant of a non-legume crop or a legume crop, or , applied to the soil that will be planted either to a non-legume crop or a legume crop, for the purpose of increasing yield and/or improving seed germination and/or improving earlier seed emergence and/or improving nodulation and/or increasing crop stand density and/or improving plant vigour and/or improving plant growth, and/or increasing biomass, and/or earlier fruiting all including in , circumstances of , seedling and plant transplanting.

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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 18, 2005 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 18, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 18, 2005
GrantedAugust 7, 2012
Term endedMarch 18, 2025
Patent numberCA 2565153 C
Classification (IPC)A01N43/16

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 18, 2005Patent grantedAug 7, 2012Term endedMarch 18, 2025

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