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Expired Canadian patentCanada

Cultigen-compatible herbicidal agents containing herbicides and acylsulfamoylbenzamide safeners

CA 2854520 C · Owner: Bayer Intellectual Property Gmbh · Inventors: Hacker, Erwin; Evans, Paul; Rosinger, Christopher

CIPO record

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Abstract From the Canadian patent

Crop plant-compatible herbicidal compositions comprising:, (A) a compound of the formula (l) or a salt thereof:, (see formula I) , in which R1 is methoxy and R4 is cyclopropyl; and (B) a herbicidally effective amount of one or more herbicides selected from the group consisting of mesotrione and topramezone; and (C) optionally, a fungicide and/or insecticide. The compositions are active against monocotyledonous and/or dicotyledonous harmful plants. Compared to the herbicides used on their own the compositions , have better compatibility with crop plants.

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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 June 27, 2006 and granted October 25, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 27, 2026.
  • 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.
FiledJune 27, 2006
GrantedOctober 25, 2016
Term endedJune 27, 2026
Patent numberCA 2854520 C
Classification (IPC)A01N25/32 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 27, 2006Patent grantedOct 25, 2016Term endedJune 27, 2026

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