Prill coating
AssigneesICI Canada Inc., ICI Explosives USA Inc.
InventorsMelvin A. McNicol, Fortunato Villamagna, J. P. Michel Couture
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Abstract
The present invention is directed to intimately combining petroleum products with ammonium nitrate prills forming a coating thereon, whereby said coating is tackified and free flowing.
Claims12
A single or plurality of coated prills consisting essentially an ammonium nitrate core intimately combined with slackwax, said slackwax communicating with the surface of said prills and penetrating therewithin whereby said prills are tackified and free flowing.
A method of making a single or plurality of prills comprising a core of ammonium nitrate wherein said ammonium nitrated is
- a) coated with petroleum products heated to about 90 degrees centigrade to form an intimate combination of petroleum product and prill,
- b) said combination cooled forming petroleum products in communication with said prills, and
- c) providing prills whereby said prills are tackified and free flowing.
Dependencies are inferred from the claim text.