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Canadian application, no grantCanada

Novel n-bisaryl- and n-aryl-cycloalkylidenyl .alpha.-sulfin- and .alpha.-sulfonamino acid amides

CA 2450708 A1 · Owner: Jeanguenat, Andre · Inventors: Lamberth, Clemens; Jeanguenat, Andre; Zeller, Martin

CIPO record

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Abstract From the Canadian patent

The invention relates to novel pesticidally active N-bisaryl- and N-arylcycloalkylidenyl-.alpha.-sulfin- and .alpha.-sulfonamino acid amides of the general formula I, including the optical isomers thereof and mixtures of such isomers, wherein n is a number zero or one; R1 is C1-C12alkyl; C1-C12alkyl substituted with C1-C4alkoxy, C1-C4alkylthio C1-C4alkylsulfonyl, C3-, C8cycloalkyl, cyano C1-C6alkoxycarbonyl, C3-C6alkoxycarbonyl C3-, C6alkenyloxycarbonyl or C3-C6alkynyloxycarbonyl; C2-C12alkenyl; C2-C12alkynyl; C1-C12haloalkyl; or a group NR11R12 wherein R11 and R12 are each independently of the other C1-C6alkyl, or together are tetra- or penta-methylene; R2 and R3 ae each …

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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

  • Filed June 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 25, 2002
GrantedNo grant recorded
Term endedJune 25, 2022
Patent numberCA 2450708 A1
Classification (IPC)C07C311/06 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 25, 2002Term endedJune 25, 2022

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