US3052578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonium nitrate base blasting agent
Assignee: EIDP Inc
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Filing: 1961-06-14
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Granted: 1962-09-04
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Davis Clyde Oliver
- 👤 Fassnacht Hartwell Henry
- 👤 Kirst William Earle
- 👤 Noren Charles Harding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:18
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A BLASTING AGENT CONSISTING ESSENTIALLY OF A UNIFORM BLEND OF SOLID AMMONIUM NITRATE, FROM ABOUT 5 TO ABOUT 20% BY WEIGHT OF A NON-EXPLOSIVE COMBUSTIBLE FUEL SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, CARBOHYDRATES AND UREA, AND A SATURATED AQUEOUS SOLUTION OF AMMONIUM NITRATE, THE TOTAL WATER IN SAID BLEND REPRESENTING FROM 5 TO 20% BY WEIGHT OF SAID BLEND AND THE AMMONIUM NITRATE IN THE BLEND REPRESENTING AT LEAST 60% BY WEIGHT OF THE BLEND, SAID BLEND HAVING A DENSITY OF AT LEAST ABOUT 1.3 GRAMS PER CUBIC CENTIMETER AND THE WEIGHT RATIO OF AMMONIUM NITRATE TO FUEL IN SAID BLEND BEING SUCH AS TO PROVIDE AN OXYGEN BALANCE OF BETWEEN +10 AND -10%.
Claim 2
Dependent Claim
116 words
A BLASTING AGENT CONSISTING ESSENTIALLY OF A UNIFORM BLEND OF SOLID AMMONIUM NITRATE, FROM ABOUT 5 TO ABOUT 20% BY WEIGHT OF A NON-EXPLOSIVE COMBUSTIBLE FUEL SELECTED FROM THE GROUP CONSISTING OF LIQUID HYDROCARBONS, CARBOHYDRATES AND UREA, AND A SATURATED AQUEOUS SOLUTION OF AMMONIUM NITRATE, THE TOTAL WATER IN SAID BLEND REPRESENTING FROM 5 TO 20% BY WEIGHT OF SAID BLEND AND THE AMMONIUM NITRATE IN THE BLEND REPRESENTING AT LEAST 60% BY WEIGHT OF THE BLEND, SAID BLEND HAVING A DENSITY OF AT LEAST ABOUT 1.3 GRAMS PER CUBIC CENTIMETER AND THE WEIGHT RATIO OF AMMONIUM NITRATE TO FUEL IN SAID BLEND BEING SUCH AS TO PROVIDE AN OXYGEN BALANCE OF BETWEEN +10 AND -10%.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |