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Canadian application, no grantCanada

Heterocyclic diamide invertebrate pest control agents

CA 2437840 A1 · Owner: Finkelstein, Bruce Lawrence · Inventors: Annis, Gary David; Finkelstein, Bruce Lawrence

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention provides compounds of Formula (I) N-oxides and suitable salts , thereof, wherein A and B are independently O or S; each J is independently a phenyl ring, a naphthyl ring system, a 5- or 6-membered heteroaromatic ring or an aromatic 8-, 9- or 10-membered fused heterobicyclic ring system wherein each ring or ring system is optionally substituted with 1 to 4 R5; K is together with the two contiguous linking carbon atoms a 5- or 6-membered , heteroaromatic ring optionally substituted with 1 to 3 R4; and R1 R2 R3, R4, R5 and n are as defined in the disclosure. Also disclosed are methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its …

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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 February 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 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.
FiledFebruary 28, 2002
GrantedNo grant recorded
Term endedFebruary 28, 2022
Patent numberCA 2437840 A1
Classification (IPC)C07D213/82 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedFeb 28, 2002Term endedFeb 28, 2022

Sources & verification

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