FIELD: herbicides. SUBSTANCE: starting compounds, particularly melt or aqueous solution of trichloroacetic acid and crystalline or granulated urea, interact at molar proportion close to 1:1 at elevated temperature, preferably in product melt at 80-90 C. EFFECT: reduced release of toxic substances. 5 cl, 3 ex
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Authors
Dates
2000-05-10—Published
1996-11-19—Filed