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(11)    Patent No :    AP 2608    (73) Applicant(s)       
(21)    Application No :    AP/P/2009/004777    OMNIA FERTILIZER LIMITED, 13 Sloane Street, Epsom       
            Downs, 2152,       
(22)    Filing Date :    02.08.2007    South Africa       
(24)    Date of Grant &    05.03.2013           
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    VISAGIE Francois Christiaan, South Africa   
    ZA    2006/06406    02.08.2006    PILLE Rainer Ralf, South Africa   
                (74) Representative   
(84)    Designated State           
    BW  MW  MZ    NA   TZ   UG    ZM   ZW    FISHER CORMACK & BOTHA   
(51)    International    Classification    B01J 2/16 (2006.01)    C01C 1/18 (2006.01)   
            C06B 31/28 (2006.01)       

(54)    Title

Ammonium nitrate granules

(57)    Abstract

This invention relates to explosive grade ammonium nitrate porous granules. The granules are produced in a fluidized bed and are formed through a combination of layering and agglomeration to produce ammonium nitrate granules are spherical in shape, smooth, hard and dry and do not break down easily during handling. Ammonium nitrate granules of a specific size range and density can be prepared and the size range and density of the granules can be varied, depending on the application of the granules, and this has particular advantages in preparing granules for use in ANFO explosive compositions.

(56)    Documents Cited :    EP 0 569 162 A   WO 2004/047976 A


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