US3214306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of radiation-cured elastomeric rocket propellants
Assignee: North American Aviation Corp
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Filing: 1956-05-28
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Granted: 1965-10-26
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Colichman
- 👤 Frank B Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:35
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B21/00; C06B21/0008; C06B21/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF PREPARING A HYDROCARBON ELASTOMERIC ROCKET COMPOSITION WHICH COMPRISES FORMING A LIQUID MIXTURE CONTAINING: HYDROCARBON FUEL-BINDER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYBUTADIENE, DIVINYLBENZENE, PARAFFIN WAX AND FURAN RUBBER; AN INORGANIC OXIDANT SELECTED FROM THE GROUP CONSISTING OF PEROXIDES, CHLORATES, PERCHLORATES AND NITRATES; AND A METAL OXIDE COMBUSTION CATALYST SELECTED FROM THE GROUP CONSISTING OF MANGANOUS DIOXIDE, NICKEL OXIDE, COBALT OXIDE, AND IRON OXIDE; AND THEN SUBJECTING THE RESULTING MIXTURE TO HIGH ENERGY RADIATION TO A TOTAL RADIATION DOSE OF APPROXIMATELY 5X10**7 TO 5X10**9 ROENTGEN.
Claim 2
Independent Claim
89 words
A METHOD OF PREPARING A HYDROCARBON ELASTOMERIC ROCKET COMPOSITION WHICH COMPRISES FORMING A LIQUID MIXTURE CONTAINING: HYDROCARBON FUEL-BINDER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYBUTADIENE, DIVINYLBENZENE, PARAFFIN WAX AND FURAN RUBBER; AN INORGANIC OXIDANT SELECTED FROM THE GROUP CONSISTING OF PEROXIDES, CHLORATES, PERCHLORATES AND NITRATES; AND A METAL OXIDE COMBUSTION CATALYST SELECTED FROM THE GROUP CONSISTING OF MANGANOUS DIOXIDE, NICKEL OXIDE, COBALT OXIDE, AND IRON OXIDE; AND THEN SUBJECTING THE RESULTING MIXTURE TO HIGH ENERGY RADIATION TO A TOTAL RADIATION DOSE OF APPROXIMATELY 5X10**7 TO 5X10**9 ROENTGEN.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |