US3145528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiated polymers
Assignee: Dal Mon Research Co
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Filing: 1958-04-24
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Granted: 1964-08-25
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Expires: 1978-04-24
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B21/00; C06B21/0008; C06B21/0025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
A PROCESS OF PROPELLING ROCKETS COMPRISING THE STEP OF COMBUSTING AN IRRADIATED CROSSLINKED MASS CONSISTING ESSENTIALLY OF A POLYMERIC HYDROCARBON, AND 1-95 PERCENT BY WEIGHT OF AN OXIDIZING AGENT SELECTED FROM THE CLASS CONSISTING OF POTASSIUM PERCHLORATE, POTASSIUM, NITRATE, POTASSIUM PERMANGANATE, POTASSIUM IODATE, POTASSIUM DICHROMATE, AMMONIUM PERCHLORATE, AMMONIUM NITRATE, AMMONIUM PERSULFATE, MANGANESE DIOXIDE, PERCHLORIC ACID, CHLORIC ACID, AND ARYL PERCHLORYL COMPOUNDS, SAID MASS BEING CONTAINED IN THE FUEL CHAMBER OF A ROCKET AND HAVING A TUBULAR SHAPED HAVING SUBSTANTIALLY UNIFORM CROSS-SECTION THROUGHOUT ITS LENGTH, SAID TUBULAR SHAPE BEING ADAPTED TO PERMIT ESCAPE OF COMBUSTION PRODUCTS FROM ONLY ONE END OF THE LINEAR OPENING THEREIN, AND SAID MASS HAVING BEEN EXPOSED TO AT LEAST TWO MEGAREPS AND NO MORE THAN ABOUT 100 MEGAREPS OF HIGH ENERGY, IONIZING RADIATION DERIVED FROM AN ENERGY SOURCE EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |