US3131100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellants comprising a polyurethane and a copolymer of a conjugated diene
Assignee: Phillips Petroleum Co
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Filing: 1957-12-20
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Granted: 1964-04-28
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Otho D Ratliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:40
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C08; C08L; C08L75/00; C08L75/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SOLID PROPELLANT OF THE COMPOSITE TYPE CONSISTING ESSENTIALLY OF 50 TO 95 WEIGHT PERCENT OF OXIDANT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL, ALKALINE EARTH METAL, AND AMMONIA SALTS OF NITRIC, PERCHLORIC, AND CHLORIC ACIDS, AND 5 TO 50 WEIGHT PERCENT OF A BINDER CONSISTING ESSENTIALLY OF 50 TO 25 PARTS BY WEIGHT OF A POLYURETHANE AND 50 TO 75 PARTS BY WEIGHT OF A POLYMERIZABLE
Claim 2
Dependent Claim
69 words
A SOLID PROPELLANT OF THE COMPOSITE TYPE CONSISTING ESSENTIALLY OF 50 TO 95 WEIGHT PERCENT OF OXIDANT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL, ALKALINE EARTH METAL, AND AMMONIA SALTS OF NITRIC, PERCHLORIC, AND CHLORIC ACIDS, AND 5 TO 50 WEIGHT PERCENT OF A BINDER CONSISTING ESSENTIALLY OF 50 TO 25 PARTS BY WEIGHT OF A POLYURETHANE AND 50 TO 75 PARTS BY WEIGHT OF A POLYMERIZABLE
References Cited (Backward Citations)
GB655585A
Cited
US2877504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |