Patent US4051653A successfully refreshed from Google Patents.
Patent US2942964A successfully refreshed from Google Patents.
US2942964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable gas-generating composition
Assignee: Standard Oil Co
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Filing: 1955-04-26
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Granted: 1960-06-28
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Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Burgwald
- 👤 Linsk Jack
- 👤 Edwin F Morello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:39
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B31/00; C06B31/28; C06B31/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
241 words
A GAS-FORMING COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 70% BY WEIGHT OF AMMONIUM NITRATE, FROM ABOUT 1% TO ABOUT 6% BY WEIGHT OF AN INORGANIC CONBUSTION CATALYST CONSISTING ESSENTIALLY OF A MIXTURE OF AMMONIUM DICHROMATE AND INSOLUBLE PRUSSIAN BLUE, FROM ABOUT 18% TO ABOUT 27% BY WEIGHT OF A BINDER MATERIAL, WHICH BINDER MATERIAL CONSISTS ESSENTIALLY OF FROM ABOUT 18 TO ABOUT 35% BY WEIGHT OF CELLULOSE ACETATE, WHICH ANALYZES BETWEEN ABOUT 51 TO 57% BY WEIGHT OF ACETIC ACID, FROM ABOUT 20 TO ABOUT 40% BY WEIGHT OF A LIQUID POLYESTER CONDENSATION PRODUCT OF ETHYLENE GLYCOL WITH DIGLYCOLIC ACID, SAID POLYESTER CONDENSATION PRODUCT HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF FROM ABOUT 250 TO ABOUT 600, SAID BINDER MATERIAL ALSO CONTAINING FROM ABOUT 20% TO ABOUT 40% OF A NITRODIPHENYL ETHER BASED ON THE TOTAL WEIGHT OF THE BINDER, FROM ABOUT .3 TO ABOUT 3% OF DIPHENYLAMINE AS A GASSING INHIBITOR, BASED ON THE TOTAL WEIGHT OF A GAS-FORMING COMPOSITION, FROM ABOUT .3 TO ABOUT 3% BY WEIGHT OF FINELY DIVIDED CARBON AND FROM ABOUT 0.05 TO ABOUT 0.05% BY WEIGHT OF A NONIONIC SURFACTANT MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYOXYPROPYLENE-POLYOXYETHYLENE GLYCOLS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF 2000 TO ABOUT 3300, POLYOXYALKYLENE GLYCOL-FATTY ACID MONESTERS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF 2000 TO ABOUT ACID RADICALS OF WHICH CONTAIN 12 TO 20 CARBON ATOMS AND AT LEAST ONE OLEYL ESTER OF MONOANHYDRO SORBITOL.
Claim 2
Dependent Claim
241 words
A GAS-FORMING COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 70% BY WEIGHT OF AMMONIUM NITRATE, FROM ABOUT 1% TO ABOUT 6% BY WEIGHT OF AN INORGANIC CONBUSTION CATALYST CONSISTING ESSENTIALLY OF A MIXTURE OF AMMONIUM DICHROMATE AND INSOLUBLE PRUSSIAN BLUE, FROM ABOUT 18% TO ABOUT 27% BY WEIGHT OF A BINDER MATERIAL, WHICH BINDER MATERIAL CONSISTS ESSENTIALLY OF FROM ABOUT 18 TO ABOUT 35% BY WEIGHT OF CELLULOSE ACETATE, WHICH ANALYZES BETWEEN ABOUT 51 TO 57% BY WEIGHT OF ACETIC ACID, FROM ABOUT 20 TO ABOUT 40% BY WEIGHT OF A LIQUID POLYESTER CONDENSATION PRODUCT OF ETHYLENE GLYCOL WITH DIGLYCOLIC ACID, SAID POLYESTER CONDENSATION PRODUCT HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF FROM ABOUT 250 TO ABOUT 600, SAID BINDER MATERIAL ALSO CONTAINING FROM ABOUT 20% TO ABOUT 40% OF A NITRODIPHENYL ETHER BASED ON THE TOTAL WEIGHT OF THE BINDER, FROM ABOUT .3 TO ABOUT 3% OF DIPHENYLAMINE AS A GASSING INHIBITOR, BASED ON THE TOTAL WEIGHT OF A GAS-FORMING COMPOSITION, FROM ABOUT .3 TO ABOUT 3% BY WEIGHT OF FINELY DIVIDED CARBON AND FROM ABOUT 0.05 TO ABOUT 0.05% BY WEIGHT OF A NONIONIC SURFACTANT MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYOXYPROPYLENE-POLYOXYETHYLENE GLYCOLS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF 2000 TO ABOUT 3300, POLYOXYALKYLENE GLYCOL-FATTY ACID MONESTERS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF 2000 TO ABOUT ACID RADICALS OF WHICH CONTAIN 12 TO 20 CARBON ATOMS AND AT LEAST ONE OLEYL ESTER OF MONOANHYDRO SORBITOL.
References Cited (Backward Citations)
US2159234A
Cited
US2628561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |