US3260632A
Expired / Lapsed
US
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Ammonium nitrate explosive composition containing vermicular low density expanded graphite
Assignee: Dow Chemical Co
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Filing: 1964-06-18
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Granted: 1966-07-12
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Olstowski Franciszek
- 👤 Osborn Oliver
- 👤 Frank D Patrick
- 👤 James R Minderhout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/002; C06B23/003; C06B31/00; C06B31/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
AN EXPLOSIVE COMPOSITION WHICH COMPRISES AMMONIUM NITRATE, VERMICULAR EXPANDED GRAPHITE AND A PARTICULATE LIGHT METAL, SAID EXPANDED GRAPHITE RANGING FROM ABOUT 0.1 TIO ABOUT 3 WEIGHT PERCENT OF THE WEIGHT OF SAID AMMINIUM NITRATE, SAID EXPANDED GRAPHITE HAVING AN APPARENT BULK DENSITY OF FROM ABOUT 0.01 TO ABOUT 10 POUNDS PER CUBIC FOOT AND SAID PARTICULATE LIGHT METAL BEING PRESENT AT A MAXIMUM SO AS TO PROVIDE A SUBSTANTIALLY FUELOXIDIZER BALANCED EXPLOSIVE COMPOSITION.
References Cited (Backward Citations)
US3153606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |