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Expired Canadian patentCanada

N-sulphenylated oxime-carbamates, processes for their preparation and their use in pest combating agents

CA 1196922 A · Owner: Bayer Aktiengesellschaft · Inventors: Stetter, Jorg; Schmetzer, Johannes; Homeyer, Bernhard

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Abstract From the Canadian patent

An N-sulphenylated oxime-carbamate of the formula in which, Rl is optionally substituted alkyl cycloalkyl, aryl or aralkyl, R2 is alkyl alkenyl or alkynyl, or, R1 and R2 together are an alkylene bridge having 1 - 6 C atoms, one of R3 and R4 is the radical and the other is alkyl, alkenyl, alkynyl halogenoalkyl, halogenoalkenyl or alkoxyalkyl R5 is alkyl, R6 is alkyl, halogenoalkyl optionally, substituted phenyl, alkoxycarbonyl or dialkylamino NR8-SO2 R7, or a radical identical to the radical to which the grouping -S-R6 is bonded, R7 is alkyl dialkylamino or optionally substituted phenyl, R8 is alkyl, and, X is O or S, which possesses pesticidal activity.

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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 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 12, 1982
GrantedNovember 19, 1985
Term endedNovember 19, 2002
Patent numberCA 1196922 A
Classification (IPC)C07C323/47 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedFeb 12, 1982Patent grantedNov 19, 1985Term endedNov 19, 2002

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.