US3072509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelled ammonium nitrate blasting explosive and process
Assignee: EIDP Inc
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Filing: 1960-04-21
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Granted: 1963-01-08
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Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Barnhart
- 👤 Frederick C Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BLASTING AGENT COMPOSITION CONSISTING ESSENTIALLY OF A UNIFORM DISPERSION OF FINE NEEDLE-LIKE CRYSTALS OF AMMONIUM NITRATE AND A DISPERSED HGIH EXPLOSIVE SENSITIZER IN A TOUGH, ELASTIC, GELATINOUS MASS FORMED BY THOROUGHLY MIXING A GELLING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAR GUM FLOUR AND LOCUST BEAN FLOUR, THE SENSITIZER, AND SODIUM TETRABORATE AS A CROSS-LINKING AGENT FOR THE GELLING AGENT INTO A HOT AQUEOUS SOLUTION OF AMMONIUM NITRATE CONTAINING NO UNDISSOLVED SALT AT A TEMPERATURE IN THE RANGE OF ABOUT 120*-180*F., SAID COMPOSITION CONTAINING BY WEIGHT 30-60% AMMONIUM NITRATE, 12-20% WATER, 15-30% HHIGH EXPLOSIVE SENSITIZER, 0.5-1.5% GELLING AGENT, AND 0.05-0.1% SODIUM TETRABORATE.
Claim 2
Dependent Claim
104 words
A BLASTING AGENT COMPOSITION CONSISTING ESSENTIALLY OF A UNIFORM DISPERSION OF FINE NEEDLE-LIKE CRYSTALS OF AMMONIUM NITRATE AND A DISPERSED HGIH EXPLOSIVE SENSITIZER IN A TOUGH, ELASTIC, GELATINOUS MASS FORMED BY THOROUGHLY MIXING A GELLING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAR GUM FLOUR AND LOCUST BEAN FLOUR, THE SENSITIZER, AND SODIUM TETRABORATE AS A CROSS-LINKING AGENT FOR THE GELLING AGENT INTO A HOT AQUEOUS SOLUTION OF AMMONIUM NITRATE CONTAINING NO UNDISSOLVED SALT AT A TEMPERATURE IN THE RANGE OF ABOUT 120*-180*F., SAID COMPOSITION CONTAINING BY WEIGHT 30-60% AMMONIUM NITRATE, 12-20% WATER, 15-30% HHIGH EXPLOSIVE SENSITIZER, 0.5-1.5% GELLING AGENT, AND 0.05-0.1% SODIUM TETRABORATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |