Oil-in-water explosive composition containing asphalt
US4853050A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1988 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Sep 23, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC06B47/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a method of producing a composition comprising solid particulate ammonium nitrate having improved explosive properties. Explosive compositions comprising particulate ammonium nitrate such as ANFO, which is a mixture of particulate ammonium nitrate and about 6% w/w of a fuel oil which is typically distillate oil, have been known for many years as relatively inexpensive and reliable explosives. Despite the wide acceptance of particulate ammonium nitrate based exposlives in the industry, their use has been limited by their relatively poor performance in wet conditions; in such conditions, explosive power can be seriously reduced, and they can be difficult to detonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.