Patent US2548880A successfully refreshed from Google Patents.
US2548880A
Expired / Lapsed
US
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Process of producing cyclonitecontaining explosive
Assignee: EIDP Inc
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Filing: 1948-02-12
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Granted: 1951-04-17
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Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 Fassnacht Hartwell Henry
- 👤 Woodbury Clifford Akeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:34
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/34; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF PREPARING HIGH VELOCITY GELATINOUS EXPLOSIVES, WHICH COMPRISES MIXTING CYCLOTRIMETHYLENETRINITRAMINE HAVING A WATER CONTENT BETWEEN 7 AND 20%, WITH A BLEND OF NITROTOLUENES IN LIQUID FORM DURING AT LEAST A PORTION OF THE PROCESS, HEATING THE MIXTURE TO A TEMPERATURE BETWEEN 65* C. AND 100* C., AND THEREBY SUBSTANTIALLY REMOVING THE WATER, COOLING THE MASS, AND INTRODUCING NITROCELLULOSE INTO THE MIXTURE DURING THE PROCESS OF COOLING.
Claim 2
Independent Claim
68 words
A METHOD OF PREPARING HIGH VELOCITY GELATINOUS EXPLOSIVES, WHICH COMPRISES MIXTING CYCLOTRIMETHYLENETRINITRAMINE HAVING A WATER CONTENT BETWEEN 7 AND 20%, WITH A BLEND OF NITROTOLUENES IN LIQUID FORM DURING AT LEAST A PORTION OF THE PROCESS, HEATING THE MIXTURE TO A TEMPERATURE BETWEEN 65* C. AND 100* C., AND THEREBY SUBSTANTIALLY REMOVING THE WATER, COOLING THE MASS, AND INTRODUCING NITROCELLULOSE INTO THE MIXTURE DURING THE PROCESS OF COOLING.
References Cited (Backward Citations)
DE298539C
Cited
US2011578A
Cited
GB189420281A
Cited
DE469721C
Cited
GB543209A
Cited
US2407595A
Cited
US2384730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |