Patent US2221427A successfully refreshed from Google Patents.
Patent US2936225A successfully refreshed from Google Patents.
US2936225A
Expired / Lapsed
US
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Ammonium nitrate propellant
Assignee: Standard Oil Co
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Filing: 1956-03-21
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Granted: 1960-05-10
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Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Linsk Jack
- 👤 Robert W Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:57
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B23/00; C06B23/007; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SOLID AMMONIUM NITRATE-BASED PROPELLANT COMPOSITION WHICH CONSISTS ESSENTIALLY OF ABOUT 10 TO ABOUT 25% BY WEIGHT OF AN OXIDIZABLE BINDER MATERIAL CONSISTING ESSENTIALLY OF A RESIN SELECTED FROM THE CLASS CONSISTING OF CELLULOSE ACETATE, CELLULOSE ACETATE BUTYRATE, POLYVINYL ACETATE AND AN OXYGENATED ORGANIC PLASTICIZER THEREFOR, ABOUT 0.5% TO ABOUT 10% OF AT LEAST ONE COMBUSTION CATALYST SELECTED FROM THE CLASS CONSISTING OF PRUSSIAN BLUE, AMMONIUM DICHROMATE, FINLEY DIVIDEC CARBON, MAGNESIUM OXIDE AND A SULFURIZED DIPHENYLAMIDED BLUE DYE HAVING A COLOR INDEX OF 956, ABOUT 0.5% TO ABOUT 5% OF AN AMINE N-OXIDE COMBUSTION PROMOTER SELECTED FROM THE CLASS CONSISTING OF PYRIMIDINE N-OXIDE, 4-METHYLPYRIDINE N-OXIDE, N-METHYLMORPHOLINE N-OXIDE, TRIISOPROPANOLAMINE NOXIDE, TRIETHANOLAMINE N-OXIDE, 2-DIETHYLAMINOETHANOL N-OXIDE, TRIETHYLAMINE N-OXIDE, AND TETRAHYDROXYETHYL ETHYLENEDIAMINE N-OXIDE, AND AMMONIUM NITRATE AS THE REMAINDER OF SAID COMPOSTION.
Claim 2
Dependent Claim
128 words
A SOLID AMMONIUM NITRATE-BASED PROPELLANT COMPOSITION WHICH CONSISTS ESSENTIALLY OF ABOUT 10 TO ABOUT 25% BY WEIGHT OF AN OXIDIZABLE BINDER MATERIAL CONSISTING ESSENTIALLY OF A RESIN SELECTED FROM THE CLASS CONSISTING OF CELLULOSE ACETATE, CELLULOSE ACETATE BUTYRATE, POLYVINYL ACETATE AND AN OXYGENATED ORGANIC PLASTICIZER THEREFOR, ABOUT 0.5% TO ABOUT 10% OF AT LEAST ONE COMBUSTION CATALYST SELECTED FROM THE CLASS CONSISTING OF PRUSSIAN BLUE, AMMONIUM DICHROMATE, FINLEY DIVIDEC CARBON, MAGNESIUM OXIDE AND A SULFURIZED DIPHENYLAMIDED BLUE DYE HAVING A COLOR INDEX OF 956, ABOUT 0.5% TO ABOUT 5% OF AN AMINE N-OXIDE COMBUSTION PROMOTER SELECTED FROM THE CLASS CONSISTING OF PYRIMIDINE N-OXIDE, 4-METHYLPYRIDINE N-OXIDE, N-METHYLMORPHOLINE N-OXIDE, TRIISOPROPANOLAMINE NOXIDE, TRIETHANOLAMINE N-OXIDE, 2-DIETHYLAMINOETHANOL N-OXIDE, TRIETHYLAMINE N-OXIDE, AND TETRAHYDROXYETHYL ETHYLENEDIAMINE N-OXIDE, AND AMMONIUM NITRATE AS THE REMAINDER OF SAID COMPOSTION.
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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |