Thionothiolphosphoric acid ester amides, a process for their preparation and their use as nematocides, insecticides and acaricides
CA 1051450 A · Owner: Farbenfabriken Bayer Aktiengesellschaft · Inventors: Homeyer, Bernhard; Stolzer, Claus; Hammann, Ingeborg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A C T, O,S,N-tri-aliphatic hydrocarbon-thionothiolphosphoric acid ester amides of the general formula, (I), in which R and R1 which may be the same or different, each stand for a straight-chain, branched or cyclic alkyl radical with up to 6 carbon atoms or for an alkenyl or alkinyl radical with 2-6 carbon atoms which alkyl, alkenyl or alkinyl radical may bear at least one substituent selected from halogen atoms and phenyl, cyano, lower alkoxy lower alkylmercapto, phenyl-, mercapto and naphthylmercapto radicals the said mercapto radicals being, unsubstituted or chloro- or cyano-substituted; and R2 stands for a straight-chain, branched or cyclic alkyl radical with up to 6 carbon atoms …
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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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 1996.
- 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
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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.