High concentration topical insecticide
CA 2498181 A1 · Owner: Summit Vetpharm, Llc · Inventors: Cottrell, Ian William; Joseph, Pierre Rosemond; Ahn, Albert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract 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 dissolved in phenyl methanol or ethanol and ethyl lactate.
Read the whole patent
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 September 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 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.
Timeline
Timeline From CIPO dates
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.