Sealants for fertilizer compositions containing natural waxes

Details Sealants for fertilizer compositions containing natural waxes Sealants for fertilizer compositions containing natural waxes

1994-10-21

1995-12-26

Szekely, Peter A.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 6402, 71 6407, 71 6411, 71 6413, C05C 900

Patent

active

054783755

ABSTRACT:
Novel sealants for sulfur coated urea fertilizer are comprised mixtures of fatty esters of polyhydric alcohols and polymers which are soluble therein and contain ester, carboxylate, or hydroxyl functionality; said mixtures are preferably crosslinked with a transesterification catalyst, and optionally contain dicarboxylic or tricarboxylic acids with 9 to 60 carbon atoms, or mixtures thereof.

REFERENCES:
patent: 3342577 (1967-09-01), Blouin et al.
patent: 3372019 (1968-03-01), Fox
patent: 4042366 (1977-08-01), Fersch et al.
patent: 4081264 (1978-03-01), Ali
patent: 5219465 (1993-06-01), Goertz et al.
patent: 5300135 (1994-04-01), Hudson et al.

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