US2842936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket propellants and their utilization
Assignee: Phillips Petroleum Co
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Filing: 1952-05-09
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Granted: 1958-07-15
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Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Arnold L Ayers
- 👤 Cleveland R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:06
CPC Classifications
C; C06; C06B; C06B43/00; Y; Y10; Y10S; Y10S149/00; Y10S149/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
A METHOD FOR PRODUCING IMMEDIATE THRUST TO A ROCKET, COMPRISING INTRODUCING AN OXIDIZER, WHICH OXIDIZER IS CAPABLE OF CAUSING SPONTANEOUS IGNITION UPON CONTACT WITH A HYPERGOLIC FUEL, AND A FAST BURNING FUEL INTO SAID ROCKET IN A COMBUSTION ZONE THERIN IN CONTACT WITH EACH OTHER, THE STOICHOMETRIC RATIO OF OXIDIZER TO FUEL BEING WITHIN THE LIMITS FROM 0.5:1 TO 6:1, AND BURNING SAID FUEL IN SAID ROCKET WITH SAID OXIDIZER AT A HIGH BUT CONTROLLALE RATE, SAID FUEL CONTAINING FROM 1 TO 100 PERCENT OF A COMPONENT WHICH IS HYPERGOLIC IN THE PURE STATE WHEN CONTACTED WITH SAID OXIDIZER, SAID COMPONENT BEING AN ESSENTIAL INGREDIENT FOR IMPARTING SAID FAST BURNING QUALITY TO SAID FUEL BY ITS PRESENCE THEREIN, SAID COMPONENT BEING AT LEAST ONE OF THE MATERIALS SELECTED FROM THE GROUP CONSISTING OF (1) A CONJUGATED DIENE CHARACTERIZED BY THE STRUCTURAL FORMULA
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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |