Method of combating undesired plant growth on cereals
CA 2408604 A1 · Owner: Maier, Thomas · Inventors: Kleemann, Axel; Maier, Thomas; Baltruschat, Helmut Siegfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of combating undesired plant growth in cereals in particular winter , cereals such as wheat and barley which comprises treating the locus of the cereals with an effective amount of one or more compounds of formula (I) in , which R1, R2 and X-W have the meaning given in the claims.
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 May 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 2023.
- 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.