US3745075A
Expired / Lapsed
US
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Highly plasticized binder for solid propellants
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-09-11
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Granted: 1973-07-10
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Expires: 1984-09-11
Abstract
Abstract A SOLID ROCKET PROPELLANT CONTAINING A HIGHLY PLASTICIZED POLYURETHANE BINDER IS PREPARED BY DISSOLVING PARTIALLY HYDROLYZED POLYVINYL ESTERS IN AN AMINO-FLUORIDE, NITROOR NITRATO-CONTAINING ORGANIC LIQUID OXIDIZER AND REACTING THIS WITH AN ISOCYANATE TO FORM A POLYURETHANE. THE PROPELLANT CONTAINS AMMONIUM PERCHLORATE WITH A POWDERED METAL FUEL.
Inventors
- 👤 A Muenker
- 👤 L Beach
- 👤 L Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6212; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C06B45/00; C06B45/04; C06B45/06; C06B45/10; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/122
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |