US3053708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High impulse solid propellant composition
Assignee: Phillips Petroleum Co
•
Filing: 1959-02-12
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Granted: 1962-09-11
•
Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hall
- 👤 Otho D Ratliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:03
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C06B33/00; C06B33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SOLID PROPELLANT COMPOSITION COMPRISING ABOUT 60 TO ABOUT 81 WEIGHT PERCENT OF A SOLID INORGANIC OXIDIZING SALT; ABOUT 4 TO 10 WEIGHT PERCENT OF A RUBBER BINDER MATERIAL; AND ABOUT 15 TO 32 WEIGHT PERCENT OF A MIXTURE OF FINELY DIVIDED SILICON AND FINELY DIVIDED ALUMINUM WHEREIN THE ALUMINUM IS PRESENT IN AN AMOUNT SUFFICIENT TO RAISE THE TEMPERATURE OF THE PROPELLANT COMBUSTION GASES TO ABOVE THE IGNITION THE TEMPERATURE OF THE SILICON AND IS IN THE RANGE OF ABOUT 1 UP TO ABOUT 60 WEIGHT PERCENT OF THE TOTAL OF ALUMINUM AND SILICON.
Claim 2
Dependent Claim
95 words
A SOLID PROPELLANT COMPOSITION COMPRISING ABOUT 60 TO ABOUT 81 WEIGHT PERCENT OF A SOLID INORGANIC OXIDIZING SALT; ABOUT 4 TO 10 WEIGHT PERCENT OF A RUBBER BINDER MATERIAL; AND ABOUT 15 TO 32 WEIGHT PERCENT OF A MIXTURE OF FINELY DIVIDED SILICON AND FINELY DIVIDED ALUMINUM WHEREIN THE ALUMINUM IS PRESENT IN AN AMOUNT SUFFICIENT TO RAISE THE TEMPERATURE OF THE PROPELLANT COMBUSTION GASES TO ABOVE THE IGNITION THE TEMPERATURE OF THE SILICON AND IS IN THE RANGE OF ABOUT 1 UP TO ABOUT 60 WEIGHT PERCENT OF THE TOTAL OF ALUMINUM AND SILICON.
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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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |