Urea-zinc oxide composition and process

Details Urea-zinc oxide composition and process Urea-zinc oxide composition and process

1971-07-23

1976-09-21

Hart, Charles N.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 64F, 71 64G, 71 64DB, 260555C, C05C 900, C07C12600

Patent

active

039817130

ABSTRACT:
A particulate fertilizer comprising urea particles having a fertilizing quantity of available zinc in the form of zinc oxide which is homogeneously dispersed throughout the urea particles. The urea-zinc oxide particles may be prepared by dissolving zinc oxide into molten urea containing less than 12% by weight water, based on water/urea + water, and solidifying the molten urea-zinc oxide blend into particles of any desired form.

REFERENCES:
patent: 2958594 (1960-11-01), Halper
patent: 3130225 (1964-05-01), Friend
patent: 3180735 (1965-04-01), Titus
patent: 3379496 (1968-04-01), Russo
patent: 3457336 (1969-07-01), Harris
patent: 3520651 (1970-07-01), Philen et al.
patent: 3533776 (1970-10-01), Coates et al.
patent: 3558299 (1971-01-01), Baskin

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