Slow release composition comprising slack wax-urea adduct

Details Slow release composition comprising slack wax-urea adduct Slow release composition comprising slack wax-urea adduct

1976-03-08

1977-09-13

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Organic material-containing

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

Patent

active

040479226

ABSTRACT:
Disclosed is a slow release fertilizer composition comprising a slack wax-urea adduct prepared by urea-dewaxing petroleum hydrocarbons in which the wax to urea ratio ranges from 0.08 to 0.30 and particularly intended for use on dry, desert-like soils. Solar radiation causes the wax to melt thereby slowly releasing the urea with the wax forming a biodegradable protective layer against wind erosion and water losses.

REFERENCES:
patent: 3300293 (1967-01-01), Bozzelli et al.
patent: 3300294 (1967-01-01), Hollstein
patent: 3314778 (1967-04-01), Campbell
Encyc. of Chem. Tech., Kirk-Othmer, 2nd Ed., Interscience, pp. 93-102.

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