Nitrogen fertilizer and process for its manufacture

Details Nitrogen fertilizer and process for its manufacture Nitrogen fertilizer and process for its manufacture

1984-05-21

1985-11-05

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71902, C05C 902, C05G 308

Patent

active

045511667

ABSTRACT:
The invention relates to a nitrogen fertilizer having a long-term action based on urea-formaldehyde condensation products suspended in water. The fertilizer contains dicyandiamide in an amount of from 5 to 35% by weight of dicyandiamide-nitrogen, based on the nitrogen content of the urea, and from 0.001 to 0.5% by weight of polymers of vinyl alcohol or polymers of aldehyde-carboxylic acids, based on the weight of the suspension.

REFERENCES:
patent: 3660070 (1972-05-01), Maruta et al.
patent: 4234332 (1980-11-01), Michaud et al.
patent: 4409015 (1983-10-01), Grace, Jr.
Hawley, "The Condensed Chemical Dictionary", p. 706.

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