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Expired Canadian patentCanada

Glyphosate formulations with early burndown symptoms

CA 2579816 C · Owner: Wyse-Pester, Dawn Y. · Inventors: Ratliff, Paul G.; Kliewer, Bryan A.; Wright, Daniel R.

CIPO record

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Abstract From the Canadian patent

Aqueous herbicidal glyphosate compositions are provided particularly , sprayable, ready-to-use (RTU) formulations that are capable of inducing early visually apparent phytotoxic effects while minimizing antagonism to the glyphosate component of the composition and preserving the equally desirable attribute of prolonged control of the treated plants. The compositions combine a glyphosate component and a fatty acid component as a fast symptomology active ingredient and, in one embodiment are enhanced by the concentration of , the fatty acid component utilized and the inclusion of an agronomically acceptable inorganic ammonium salt, preferably ammonium sulfate. In another embodiment, …

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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 September 15, 2005 and granted April 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 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.
FiledSeptember 15, 2005
GrantedApril 29, 2014
Term endedSeptember 15, 2025
Patent numberCA 2579816 C
Classification (IPC)A01N57/20 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 15, 2005Patent grantedApril 29, 2014Term endedSep 15, 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.