Imidazole and triazole derivatives, processes for their preparation and compositions containing them
CA 1257278 A · Owner: Rhone-Poulenc Agrochimie · Inventors: Debourge, Jean-Claude; Greiner, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides fungicides which can, be used especially against diseases of cereals of, formula:, in which:, X is a halogen atom or a cyano or nitro group or an alkyl or alkoxy group, optionally halogenated, n is 0 or a positive integer less than 6, W denotes a trivalent group consisting of either a =CH- or a nitrogen atom =N-, R1 denotes a hydrogen atom or an alkyl radical R2 denotes a hydrogen atom or an optionally substituted hydrocarbon radical.
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
- Granted July 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
- 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.