초록 ▼

A particulate urea product having improved anticaking and nonfriable properties and which is useful for either direct application to the soil or as an intermediate product for the subsequent incorporation with other fertilizer materials into solid bulk blends. The product consists of an admixture of

A particulate urea product having improved anticaking and nonfriable properties and which is useful for either direct application to the soil or as an intermediate product for the subsequent incorporation with other fertilizer materials into solid bulk blends. The product consists of an admixture of urea and a finely divided mineral filler selected from the group consisting of diatomaceous, sodium bentonite, calcium bentonite, kaolin, zeolite and ball clay and is in either granular or prill form.

대표청구항 ▼

A particulate urea having improved anticaking, hardness and nonfriable properties, said particulate urea being transformed into particulate form from an admixture of urea and an effective amount of a finely divided mineral filler homogeneously distributed therein, said mineral filler consisting of o

A particulate urea having improved anticaking, hardness and nonfriable properties, said particulate urea being transformed into particulate form from an admixture of urea and an effective amount of a finely divided mineral filler homogeneously distributed therein, said mineral filler consisting of one or more members selected from the group consisting of diatomaceous earth, sodium bentonite, calcium bentonite, kaolin, zeolite and ball clay.