Patent US3193335A successfully refreshed from Google Patents.
Patent US2633636A successfully refreshed from Google Patents.
US3249477A
Expired / Lapsed
US
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Ammonium nitrate slurry blasting composition containing sulfur-sodium nitrate sensitizer
Assignee: Intermountain Research and Engineering Co Inc
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Filing: 1964-05-01
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Granted: 1966-05-03
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert B Clay
- 👤 Lex L Udy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
58 words
A MOISTURE-CONTAINING EXPLOSIVE COMPOSITION WHICH CONTAINS FROM ABOUT 5 TO 25 PERCENT BY WEIGHT OF A MOISTENING LIQUID, THE MAJOR PART OF WHICH LIQUID IS WATER, 40 TO 70 PERCENT OF AMMONIUM NITRATE, AND A SENSITIZER COMPRISED OF 2 TO 25 PERCENT OF SODIUM NITRATE AND 1 TO 8 PERCENT OF ELEMENTAL SULFUR, BASED ON THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
58 words
A MOISTURE-CONTAINING EXPLOSIVE COMPOSITION WHICH CONTAINS FROM ABOUT 5 TO 25 PERCENT BY WEIGHT OF A MOISTENING LIQUID, THE MAJOR PART OF WHICH LIQUID IS WATER, 40 TO 70 PERCENT OF AMMONIUM NITRATE, AND A SENSITIZER COMPRISED OF 2 TO 25 PERCENT OF SODIUM NITRATE AND 1 TO 8 PERCENT OF ELEMENTAL SULFUR, BASED ON THE TOTAL COMPOSITION.
Claim 3
Dependent Claim
29 words
A COMPOSITION ACCORDING TO CLAIM 1 TO WHICH IS ADDED 0.5 TO 3 PARTS OF ALUMINUM POWDER BELOW ABOUT 100 MESH PARTICLE SIZE AS AN ADDITIONAL FUEL AND SENSITIZER.
References Cited (Backward Citations)
US3113059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |