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Canadian application, no grantCanada

High concentration dinotefuran formulations containing methoprene

CA 2521922 A1 · Owner: The Hartz Mountain Corporation · Inventors: Cottrell, Ian William; Lytwyn, Michael William; Ahn, Albert

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

A topical insecticide is provided which can be safe to use and avoids many common deleterious side effects of conventional topical insecticides. In one preferred embodiment of the invention, the active ingredient of the insecticide formulation is an amine derivative having a nitro-methylene , group, a nitroamino group or a cyanoamino group which can be formulated to , have low toxicity and excellent insecticidal activity. One particularly suitable insecticide is 1{(tetrahydro-3-furanyl)methyl}-2-nitro-3methylguanidine (dinotefuran), an aldulticide that will kill adult fleas combined with methoprene.

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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 November 6, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 6, 2003
GrantedNo grant recorded
Term endedNovember 6, 2023
Patent numberCA 2521922 A1
Classification (IPC)A01N51/00 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedNov 6, 2003Term endedNov 6, 2023

Sources & verification

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