A combination comprising flumioxazin and imazosulfuron to control weeds
CA 2543972 C · Owner: Sada, Yoshinao · Inventors: Sada, Yoshinao; Kizawa, Satoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combination of N-(7-fluoro-3,4-dihydro-3-oxo-4-prop-2-ynyl-2H- 1,4-benzoxadin-6-yl)cyclohex-1-ene-1,2-dicarboxamide Flumioxazin and 1-(2- chloroimidazo1,2-apyridin-3-ylsulfonyl)-3-(4,6-dimethoxypyrimidin-2-yl)urea Imazosulfuron wherein the weight ratio of Flumioxazin : Imazosulfuron is 1:0.1-20 is useful for controlling weeds in peanut field vegetable field, tree field or non-cultivated land.
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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 April 18, 2006 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 18, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.