Controlled release vegetation enhancement agents coated with sulfonated polymers, method of production and processes of use
CA 1318794 C · Owner: Duvdevani, Ilan · Inventors: Drake, Evelyn Nobles; Thaler, Warren Alan; Manalastas, Pacifico Viernes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vegetation enhancement composite including a vegetation enhancement agent consisting of a first member selected from the group consisting of at least one macronutrient, micronutrient, nitrogen fertilizer including an inhibitor of urease, nitrogen fertilizer including an inhibitor of nitrification activity, slow release fertilizer, pesticide, and mixtures thereof; and at least one first controlled release film including a sulfonated polymer coating at least a portion of a surface of the vegetation enhancement agent. A method of producing controlled release fertilizers involving providing a vegetation enhancement agent consisting of a first member selected from the group consisting of at …
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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
- Granted June 8, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 2010.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.