Combination of two or more active ingredients using microencapsulated formulations
CA 2339475 A1 · Owner: Fmc Corporation · Inventors: Szamosi, Janos
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided is a method of encapsulating clomazone and a second biological agent comprising: (a) mixing (i) an aqueous phase (ii) an emulsifier and (iii) a , water-immiscible phase containing clomazone the second biological agent, and , at least one first polyfunctional compound; (b) forming a dispersion of waterimmiscible droplets throughout the aqueous phase; and (c) adding at least one second polyfunctional compound into the dispersion and reacting the second polyfunctional compound(s) with the first polyfunctional compound(s) to form a polymer shell around the water-immiscible droplets. Further provided is a method of preparing an agricultural composition comprising encapsulated …
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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 August 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 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.