Patent ID: 6951589

Claim:
A water-in-oil emulsion explosive composition comprising a) an aqueous oxidizer phase comprising at least one oxygen supplying component wherein said oxygen supplying component comprises at least 50% by weight of prilled agricultural grade ammonium nitrate consisting of ammonium nitrate and optional additives selected from the group consisting of crystal growth modifiers, ammonium sulfate, magnesium stearate, talc, clay, magnesium nitrates, aluminum sulfate, limestone, and polymeric sulfonates, b) an organic phase comprising at least one organic fuel, and c) an emulsifying amount of an aliphatic hydrocarbyl group substituted succinic emulsifier composition said succinic emulsifier composition characterized by comprising one or more groups selected from succinic ester groups, succinic amide groups, succinic imine groups, succinic amide-ester and succinimide groups, and mixtures thereof wherein at least one of said one or more groups includes a reaction product of a succinic group with an aminoalkyl group, wherein said aliphatic hydrocarbyl group contains from about 18 up to about 500 carbon atoms and wherein the total acid number divided by the total base number is 0.319 or less.