Blasting composition and method
US5151138A · kind A · utility
10Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 1991 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | Mar 26, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S149/112
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A blasting composition for use in boreholes of diameter not less than 80 mm. The composition contains more than about 25% of solid oxidiser particles such as limestone ammonium nitrate. These particles are in the form of dense prills, granules or crystals and about 80% of them have a minimum thickness in the range of 1/200 to 1/75 of borehole diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.