Organophosphorus compounds, process for their preparation and insecticidal, miticidal, nematicidal or soil pesticidal compositions containing them
CA 1261851 A · Owner: Ishihara Sangyo Kaisha Ltd. · Inventors: Toki, Tadaaki; Haga, Takahiro; Imai, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Organophosphorus compounds of the formula: wherein each of X1, X2 and X3 is a hydrogen atom; an alkyl alkoxy or alkenyl group which may be substituted by halogen alkoxy, alkylthio, cycloalkyl or phenyl; or a cycloalkyl group each of Y1, Y2 and Y3 is an oxygen atom or a sulfur atom Z is a, carbonyl group, and each of R1 and R2 is an alkyl group which may be substituted by halogen, alkoxy or alkylthio. The organophosphorus compounds have insecticidal, miticidal nematicidal and, soil pesticidal activities.
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.