Patent US3247033A successfully refreshed from Google Patents.
US3247033A
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Hexamethylenetetramine-ammonium nitrate explosive compositions and methods of making the same
Assignee: Arthur D Little Inc
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Filing: 1963-06-12
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Granted: 1966-04-19
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 William E Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:48
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/0066; C06B21/005; C06B31/00; C06B31/28; C06B31/32; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
PROCESS OF FORMING A HETEROGENEOUS EXPLOSIVE WHICH COMPRISES HEATING A MIXTURE OF AMMONIUM NITRATE AND HEXAMETHYLENETETRAMINE TO A TEMPERATURE OF BETWEEN 150*C. AND 165*C. TO FORM A HOMOGENEOUS MOLTEN MASS, AND THEREAFTER RAPIDLY COOLING SAID MOLTEN MASS TO FORM PRIMARY CRYSTALS OF AMMONIUM NITRATE AND A CRYSTALLINE MATRIX COMPRISING AN ADDUCT OF AMMONIUM NITRATE AND HEXAMETHYLENETETRAMINE, SAID PRIMARY AMMONIUM NITRATE CRYSTALS BEING DISPERSED IN SAID CRYSTALLINE MATRIX.
Claim 2
Dependent Claim
67 words
PROCESS OF FORMING A HETEROGENEOUS EXPLOSIVE WHICH COMPRISES HEATING A MIXTURE OF AMMONIUM NITRATE AND HEXAMETHYLENETETRAMINE TO A TEMPERATURE OF BETWEEN 150*C. AND 165*C. TO FORM A HOMOGENEOUS MOLTEN MASS, AND THEREAFTER RAPIDLY COOLING SAID MOLTEN MASS TO FORM PRIMARY CRYSTALS OF AMMONIUM NITRATE AND A CRYSTALLINE MATRIX COMPRISING AN ADDUCT OF AMMONIUM NITRATE AND HEXAMETHYLENETETRAMINE, SAID PRIMARY AMMONIUM NITRATE CRYSTALS BEING DISPERSED IN SAID CRYSTALLINE MATRIX.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |