Patent US3770522A successfully refreshed from Google Patents.
US3770522A
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Emulsion type explosive composition containing ammonium stearate or alkali metal stearate
Assignee: ETI EXPLOSIVES TECHNOLOGIES INTE
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Filing: 1972-04-13
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Granted: 1973-11-06
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Expires: 1992-04-13
Abstract
Abstract An emulsion type explosive composition containing inorganic oxidizing salt, e.g., ammonium nitrate, water, water-insoluble carbonaceous fuel, e.g., fuel oil, sensitizer, e.g., gas bubbles, and a selected stearate salt emulsifier, e.g., sodium stearate.
Inventors
- 👤 E Tomic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:12
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; C06B47/145
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
8 words
A product of claim 1 containing stearic acid.
Claim 2
Dependent Claim
12 words
A product of claim 1 wherein the stearate salt is sodium stearate.
Claim 3
Dependent Claim
8 words
A product of claim 3 containing stearic acid.
Claim 4
Dependent Claim
14 words
A product of claim 3 containing about from 0.5-6 percent by weight stearate salt.
Claim 5
Dependent Claim
14 words
A product of claim 3 containing about from 1-4 percent by weight stearate salt.
Claim 6
Dependent Claim
23 words
A product of claim 3 containing occluded gas as a sensitizer. 8 A product of claim 3 containing particulate alluminum as a sensitizer.
Claim 7
Dependent Claim
11 words
A product of claim 3 containing gas-entrapping material as a sensitizer.
Claim 8
Dependent Claim
11 words
A product of claim 3 containing gas bubbles as a sensitizer.
Claim 9
Dependent Claim
8 words
A product of claim 3 containing hydrocarbon fuel.
Claim 10
Dependent Claim
11 words
A product of claim 11 wherein the hydrocarbon is fuel oil.
Claim 11
Dependent Claim
8 words
A product of claim 3 containing ammonium nitrate.
Claim 12
Dependent Claim
8 words
A product of claim 13 containing sodium nitrate.
Claim 13
Dependent Claim
65 words
In an emulsified blasting agent comprising, by weight, about 20-85 percent ammonium nitrate, about 5-30 percent water, sufficient hydrocarbon fuel to obtain an oxygen balance in the blasting agent about from -10 to +5 percent, and about 5-40 percent, by volume, occluded gas as sensitizer, the improvement which comprises said blasting agent composition containing about 0.5-6 percent by weight sodium stearate to form the emulsion.
Claim 14
Dependent Claim
8 words
A product of claim 15 containing stearic acid.
Claim 15
Dependent Claim
13 words
A product of claim 16 containing about 0.5-6 percent by weight stearic acid.
Claim 16
Dependent Claim
21 words
A product of claim 15 containing about 1-4 percent by weight sodium stearate and about 1-4 percent by weight stearic acid.
Claim 17
Dependent Claim
12 words
A product of claim 15 wherein the occluded gas is gas bubbles.
Claim 18
Dependent Claim
17 words
A product of claim 15 wherein the occluded gas is in the form of air-carrying solid material.
Claim 19
Dependent Claim
22 words
A product of claim 15 containing, by weight, about 45-75 percent ammonium nitrate, about 10-25 percent water, about 4-8 percent hydrocarbon fuel.
Claim 20
Dependent Claim
10 words
A product of claim 21 containing 1-4 percent stearic acid.
Claim 21
Dependent Claim
15 words
A product of claim 21 containing up to about 25 percent by weight sodium nitrate.
Claim 22
Dependent Claim
11 words
A product of claim 21 wherein the fuel is fuel oil.
Claim 23
Dependent Claim
18 words
The product of claim 18 wherein the sodium stearate and stearic acid are present in substantially equal amounts.
References Cited (Backward Citations)
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Cited
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US3161551A
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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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |