F - Mech Eng,Light,Heat,Weapons – 42 – D
Patent
F - Mech Eng,Light,Heat,Weapons
42
D
F42D 3/00 (2006.01) C06B 23/02 (2006.01) C06B 33/04 (2006.01) C06B 47/14 (2006.01) F42D 5/00 (2006.01)
Patent
CA 2363212
The present invention is directed to an improved method of blasting whereby the formation of nitrogen oxide after-blast fumes is reduced. This helps satisfy the need for better fume characteristics in blasting. The method reduces the formation of nitrogen oxides in after-blast fumes resulting from the detonation of a blasting agent in a borehole. The method comprises formulating the blasting agent to contain from about 1% to about 20% silicon powder.
Borden Ladner Gervais Llp
Dyno Nobel Inc.
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