Patent US3216872A successfully refreshed from Google Patents.
US3216872A
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US
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Blasting agent and explosive compositions containing a fine-grained organic sensitizer
Assignee: BARCLAYS/AMERICAN/BUSINESS CREDIT Inc A CORP OF CT
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Filing: 1963-10-25
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Granted: 1965-11-09
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Franklin B Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:08
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/111
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN AQUEOUS EXPLOSIVE SLURRY CONSISTING ESSENTIALLY OF FROM ABOUT 35% TO 75% BY WEIGHT OF A MIXTURE OF INORGANIC NITRATES, THE MIXTURE OF INORGANIC NITRATES CONTAINING FROM ABOUT 5 TO ABOUT 95% BY WEIGHT OF AMMONIUM NITRATE, AND FROM ABOUT 95% TO ABOUT 5% OF OTHER INORGANIC NITRATE, AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF A FINE GRAINED EXPLOSIVE SENSITIZER SELECTED FROM THE GROUP CONSISTING OF DINITROTOLUENE, TRINITROTOLUENE, PENTAERYTHRITOL TETRANITRATE, PENTOLITE, CYCLONITE, COMPOSITION B, CYCLOTOL AND TETRYL, AND HAVING A SUFFICIENTLY SMALL PARTICLE SIZE TO PASS THROUGH A STANDARD 30 MESH SIEVE, AND SUFFICIENT WATER, WITHIN THE RANGE OF FROM ABOUT 7% TO ABOUT 50% BY WEIGHT OF THE COMPOSITION, TO FORM A SLURRY.
Claim 2
Dependent Claim
117 words
AN AQUEOUS EXPLOSIVE SLURRY CONSISTING ESSENTIALLY OF FROM ABOUT 35% TO 75% BY WEIGHT OF A MIXTURE OF INORGANIC NITRATES, THE MIXTURE OF INORGANIC NITRATES CONTAINING FROM ABOUT 5 TO ABOUT 95% BY WEIGHT OF AMMONIUM NITRATE, AND FROM ABOUT 95% TO ABOUT 5% OF OTHER INORGANIC NITRATE, AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF A FINE GRAINED EXPLOSIVE SENSITIZER SELECTED FROM THE GROUP CONSISTING OF DINITROTOLUENE, TRINITROTOLUENE, PENTAERYTHRITOL TETRANITRATE, PENTOLITE, CYCLONITE, COMPOSITION B, CYCLOTOL AND TETRYL, AND HAVING A SUFFICIENTLY SMALL PARTICLE SIZE TO PASS THROUGH A STANDARD 30 MESH SIEVE, AND SUFFICIENT WATER, WITHIN THE RANGE OF FROM ABOUT 7% TO ABOUT 50% BY WEIGHT OF THE COMPOSITION, TO FORM A SLURRY.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |