US4490195A
Expired / Lapsed
US
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Emulsion explosive composition
Assignee: Imperial Chemical Industries Ltd
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Filing: 1983-10-11
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Granted: 1984-12-25
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Expires: 2003-10-11
Abstract
Abstract An emulsion explosive composition comprising an oxygen-supplying salt component as a discontinuous phase, an organic medium forming a continuous phase and a stabilizer which comprises a polycyclic hydrocarbon. Suitable stabilizers include sterols, such as cholesterol. The compositions, which may also include a conventional emulsifier, exhibit small diameter cap-sensitivity and improved storage characteristics.
Inventors
- 👤 John Cooper
- 👤 David S. Reid
- 👤 Colin A. Mumme-Young
- 👤 Robert D. Gregson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:45
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; C06B47/145; Y; Y10; Y10S; Y10S149/00; Y10S149/11
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
41 words
An emulsion explosive composition comprising an oxygen-supplying salt component as a discontinuous phase and an organic medium forming a continuous phase wherein the composition contains a stabilizer comprising a polycyclic hydrocarbon structure having a lipophilic moiety compatible with the organic medium.
Claim 2
Dependent Claim
41 words
An emulsion explosive composition comprising an oxygen-supplying salt component as a discontinuous phase and an organic medium forming a continuous phase wherein the composition contains a stabilizer comprising a polycyclic hydrocarbon structure having a lipophilic moiety compatible with the organic medium.
Claim 3
Dependent Claim
40 words
A composition according to claim 1 wherein the stabiliser comprises a ring structure containing from 14 to 24 carbon atoms, substituted in at least one position by an alkyl or alkylene hydrocarbon radical containing from 6 to 12 carbon atoms.
Claim 4
Dependent Claim
14 words
A composition according to claim 1 wherein the stabiliser comprises a perhydro-1,2-cyclopentenophenanthrene ring structure.
Claim 5
Dependent Claim
12 words
A composition according to claim 1 wherein the stabiliser comprises a sterol.
Claim 6
Dependent Claim
11 words
A composition according to claim 4 wherein the sterol is cholesterol.
Claim 7
Dependent Claim
11 words
A composition according to claim 1 wherein the stabiliser comprises lanolin.
Claim 8
Dependent Claim
14 words
A composition according to claim 1 wherein the composition additionally comprises a conventional emulsifier.
Claim 9
Dependent Claim
66 words
A process for producing an emulsion explosive composition comprising emulsifying an oxygen-supplying salt component and an organic medium to form an emulsion in which the salt forms at least part of the discontinuous phase and the organic medium forms at least part of the continuous phase wherein the composition contains a stabilizer comprising a polycyclic hydrocarbon structure having a lipophilic moiety compatible with the organic medium.
Claim 10
Dependent Claim
66 words
A process for producing an emulsion explosive composition comprising emulsifying an oxygen-supplying salt component and an organic medium to form an emulsion in which the salt forms at least part of the discontinuous phase and the organic medium forms at least part of the continuous phase wherein the composition contains a stabilizer comprising a polycyclic hydrocarbon structure having a lipophilic moiety compatible with the organic medium.
Claim 11
Dependent Claim
24 words
An explosive charge wherein the charge comprises an emulsion explosive composition according to claim 1 or prepared by a process according to claim 8.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-25 | 1988-06-25 | 1988-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-25 | 1992-06-25 | 1992-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-25 | 1996-06-25 | 1996-12-25 | $7700.00 | Window Closed / Lapsed |