M-cyanoalkoxy-phenylureas having herbicidal activity, the production thereof, and compositions containing them
CA 1136145 A · Owner: Novartis Ag · Inventors: Rohr, Otto; Pissiotas, Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The m-cyanoalkoxy-phenylureas of the formula I (I), wherein X is hydrogen or halogen, Y-O is a preferably branched-chain cyanoalkoxy group, R1 is hydrogen or lower alkyl, and -NR2H3 is a primary secondary or, heterocyclic amino groupexhibit surprisingly good, plants, with a selective action in crops of maize cereals, cotton and soya bean, and in the case of some of these compounds also in rape crops.
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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
- Granted November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
- 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.