Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1987-01-22
1988-08-16
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 59, 71 60, 71 6403, 71 6407, C05C 102, C05C 900
Patent
active
047642009
ABSTRACT:
Dicyanodiamide is applied onto the surfaces of ammonium-containing and sulfate-containing fertilizers at a fertilizer temperature of from 60.degree. to 130.degree. C. by mixing with finely divided dicyanodiamide. An aqueous solution containing calcium nitrate is applied at the same time or directly thereafter, with further mixing.
REFERENCES:
patent: 4582524 (1986-12-01), Michaud et al.
patent: 4626270 (1986-04-01), Lobitz
Meiss Otto
Nitzschmann Robert E.
BASF - Aktiengesellschaft
Lander Ferris H.
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