US3018203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellant and a process for its preparation
Assignee: Phillips Petroleum Co
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Filing: 1958-03-31
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Granted: 1962-01-23
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Guth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
THE METHOD OF PRODUCING A SOLID PROPELLANT WHICH COMPRISES INTIMATELY ADMIXING ABOUT 70 TO ABOUT 87 PARTS BY WEIGHT OF A SOLID INORGANIC OXIDIZING SALT AND ABOUT 13 TO ABOUT 30 PARTS BY WEIGHT OF A BINDER COMPRISING ABOUT 60 TO ABOUT 85 PARTS BY WEIGHT OF LIQUID POLYBUTADIENE HAVING A SFV VISCOSITY AT 100*F. OF ABOUT 1,500 TO ABOUT 10,000 AND ABOUT 15 TO ABOUT 40 PARTS BY WEIGHT OF A FERRIC SALT OF A STRONG INORGANIC ACID AND CURING THE COMPOSITION AT A TEMPERATURE IN THE RANGE OF ABOUT 150 TO ABOUT 280*F. FOR A TIME IN THE RANGE OF ABOUT 4 HOURS TO ABOUT 48 HOURS.
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |