Solid, phytoactive compositions and methods for their...

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A01N 57/20 (2006.01) A01N 25/08 (2006.01)

Patent

CA 1268639

PR-7666/7741B SOLID, PHYTOACTIVE COMPOSITIONS AND METHODS FOR THEIR PREPARATION Abstract of the Disclosure Disclosed are solid, phytoactive, N-phosphonomethyl-N-carboxy- methyl compositions. Also disclosed are processes for the preparation of such compositions by (a) forming an initial mixture comprising a phytoactive N-phos- phonomethyl-N-carboxymethyl compound, a solvent and a molten surfactant, the surfactant being solid at ambient temperatures; (b) removing solvent from the initial mixture to form a final mixture at a temperature above the melting point of the surfactant; (c) cooling said final mixture to a temperature below the melt- ing point of the surfactant to form a N-phosphonomethyl-N-carboxymethyl composition which is solid at ambient temperatures; and (d) processing said composition into particulate form, such as pellets, flakes, granules, or powders.

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