Mixture compositions for controlling ectoparasites
CA 2501767 A1 · Owner: Oyama, Kazuhiko · Inventors: Oyama, Kazuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mixed composition for controlling alien parasitic insects on mammals and birds which contains, as the active ingredients a compound of the following , general formula (I) or its salt and at least one compound selected from among pyrethroid insecticides. The composition has a high effect of controlling resistant harmful insects, shows an immediate action and yet is highly safe. (I) wherein R1 represents optionally substituted alkyl optionally substituted , alkenyl, optionally substituted alkynyl -O-R5 (wherein R5 represents , optionally substituted alkyl optionally substituted alkenyl, or optionally substituted alkynyl), or -S-R5 (wherein R5 is as defined above); R2 represents …
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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 September 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 19, 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
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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.