Azadirachtin formulation
CA 2269998 A1 · Owner: Synek, Joseph · Inventors: Wang, Der-L; Braden, Gary; Synek, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simple cold process of formulated azadirachtin based pesticides from azadirachtin, concentrate is disclosed. The process Involves combining an azadirachtin concentrate with an, alcohol solvent having a high water solubility and a molecular structure with more than there, carbon atoms. The process requires no surfactants additional acidifier or , alkali pH adjustment. The resulting products have excellent shelf life insecticidal properties ~~~ , a lack of phytotoxicity.
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 April 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2021.
- 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.