Patent US2197757A successfully refreshed from Google Patents.
Patent US3367115A successfully refreshed from Google Patents.
US3367115A
Expired / Lapsed
US
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Solid hydrocarbon resin rocket propellants and method of propulsion
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-02-08
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Granted: 1968-02-06
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Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Spenadel Lawrence
- 👤 William J Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:09
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
A METHOD FOR DEVELOPING THRUST IN A ROCKET FROM FINELY-DIVIDED SOLID PROPELLANT COMPONENTS OF HIGH-ENERGY VALUE IN THE COMBUSTION CHAMBER OF THE ROCKET WHICH COMPRISES, COMBUSTING SAID COMPONENTS COMPOSITED AND HELD TOGETHER IN A MOLD GRAIN CONTAINING 1 TO 10 WT. PERCENT OF A HYDROCARBON RESIN BINDER THAT GIVES THE GRAIN INCREASED TENSILE STRENGTH, SAID HYDROCARBON RESIN BEING MADE BY POLYMERIZING WITH A FRIEDEL-CRAFTS CATALYST A STEAM-CRACKED PETROLEUM FRACTION BOILING IN THE RANGE OF 20* TO 280*C. AND CONTAINING C5 TO C9 OLEFINS, DIOLEFINS AND AROMATICS, SAID RESIN HAVING A MOLECULAR WEIGHT OF ABOUT 1,000 TO 5,000, SAID FINELY-DIVIDED COMPONENTS INCLUDING A FINELY-DIVIDED FUEL FROM THE GROUP CONSISTING OF LITHIUM, ALUMINUM, BERYLLIUM, BORON, MAGNESIUM, HYDRAZINE DIBORANE AND HYDRAZINE MONOBORANE, AND A COMPATIBLE OXIDIZER FROM THE GROUP CONSISTING OF AMMONIUM PERCHLORATE, LITHIUM PERCHLORATE, SODIUM PERCHLORATE, NITROCELLULOSE HEXANITROETHANE, AND SODIUM NITRATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |