Method and composition for controlling weeds with a combination of a preemergent, a post emergent and a three-way broadleaf herbicidal compositions
CA 2563941 C · Owner: Bayer Cropscience Lp · Inventors: Myers, Donald F.; Spak, David R.; Raymond, George J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a composition for controlling grassy weeds and , broadleaf weeds, which composition includes the combination of a preemergent grassy , weed herbicide, a post emergent grassy weed herbicide and a three-way phenoxy herbicide, and to a method of controlling such grassy weeds and such broadleaf weeds, with the composition. The present invention has been found to be particularly useful for , the control of crabgrass in cool season grasses and mixtures of cool season grasses.
Read the whole patent
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 15, 2005 and granted October 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 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.
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.