Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1989-01-27
1992-10-06
Lander, Ferris
Chemistry: fertilizers
Processes and products
Inorganic material
71 36, 71 6402, 71 6405, 71 6406, 71 6407, C05B 700, C05B 1900, C05G 106
Patent
active
051528215
ABSTRACT:
A granular fertilizer is prepared by coating particles of a base fertilizer, selected from orthophosphates of calcium, ammonium and potassium and mixtures thereof, with:
REFERENCES:
patent: 3607214 (1971-09-01), Seiffe
patent: 4032319 (1977-06-01), Smith et al.
patent: 4142885 (1979-03-01), Heumann et al.
Ludwig, "How & Why Solids Agglomerate", 1954, Chemical Engr., pp. 156-159.
Hi-Fert Pty. Ltd.
Lander Ferris
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