Patent US3141803A successfully refreshed from Google Patents.
US3141803A
Expired / Lapsed
US
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Solid propellant and process using vinyl decaborane compounds
Assignee: ATK Launch Systems LLC
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Filing: 1961-05-05
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Granted: 1964-07-21
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Green Joseph
- 👤 George J Donovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:04
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A LIQUID COMPOSITION CURABLE TO FORM A TOUGH ELASTOMER USEFUL AS THE FUEL-BINDER COMPONENT OF A COMPOSITE SOLID PROPELLANT, SAID LIQUID COMPOSITION CONSISTING ESSENTIALLY OF 20 TO 80 PARTS BY WEIGHT OF A LIQUID POLYMER SELECTED FROM THE CLASS CONSISTING OF DIISOCYANATE TERMINATED POLYESTERS, DIISOCYANATE TERMINATED POLYESTERAMIDES, DIISOCYANATE TERMINATED POLYETHERGLYCOLS AND CARBOXY GROUP TERMINATED HYDROCARBONS, 1 TO 50 PARTS BY WEIGHT OF A CURING AGENT, AND 80 TO 20 PARTS BY WEIGHT OF AN ORGANOBORON COMPOUND OF THE CLASS
Claim 2
Dependent Claim
79 words
A LIQUID COMPOSITION CURABLE TO FORM A TOUGH ELASTOMER USEFUL AS THE FUEL-BINDER COMPONENT OF A COMPOSITE SOLID PROPELLANT, SAID LIQUID COMPOSITION CONSISTING ESSENTIALLY OF 20 TO 80 PARTS BY WEIGHT OF A LIQUID POLYMER SELECTED FROM THE CLASS CONSISTING OF DIISOCYANATE TERMINATED POLYESTERS, DIISOCYANATE TERMINATED POLYESTERAMIDES, DIISOCYANATE TERMINATED POLYETHERGLYCOLS AND CARBOXY GROUP TERMINATED HYDROCARBONS, 1 TO 50 PARTS BY WEIGHT OF A CURING AGENT, AND 80 TO 20 PARTS BY WEIGHT OF AN ORGANOBORON COMPOUND OF THE CLASS
Claim 3
Dependent Claim
64 words
A METHOD FOR PREPARING A COMPOSITE SOLID PROPELLANT GRAIN WHICH COMPRISES HEATING AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 25* TO 120*C. FOR FROM ABOUT 4 HOURS TO 7 DAYS AN ADMIXTURE CONSISTING ESSENTIALLY OF FROM ABOUT 60 TO 95 PARTS BY WEIGHT OF A SOLID INORGANIC OXIDIZER AND FROM ABOUT 5 TO 40 PARTS BY WEIGHT OF A COMPOSITION OF CLAIM 1.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |