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Expired Canadian patentCanada

Modulators of the development of mychorrizal fungi with arbuscules, and uses thereof

CA 2555362 C · Owner: Becard, Guillaume · Inventors: Becard, Guillaume; Roy, Sebastien; Puech, Virginie

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Abstract From the Canadian patent

The invention relates to the identification of compounds i.e. strigolactones, which are able to stimulate the growth and/or development of mychorrizal fungi with arbuscules (MA fungus). Said compounds are for example, natural strigolactones such as strigol alectrol, sorgolactone, orobanchol, or the synthetic analogs GR7 GR24, Nijmegen-1, demethylsorgolactone. The invention opens up new pathways for the development of a type of agriculture which is more respectful of the environment particularly in that it enables the implementation on a large or small scale, of advanced mychorrization techniques designed to increase the production of fungic inoculum the use of MA fungi in soils or …

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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 February 9, 2005 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 9, 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.
FiledFebruary 9, 2005
GrantedNovember 27, 2012
Term endedFebruary 9, 2025
Patent numberCA 2555362 C
Classification (IPC)A01N43/12 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 9, 2005Patent grantedNov 27, 2012Term endedFeb 9, 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.