Patent US2970898A successfully refreshed from Google Patents.
US2970898A
Expired / Lapsed
US
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Process for preparing solid propellant charges
Assignee: Phillips Petroleum Co
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Filing: 1958-05-15
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Granted: 1961-02-07
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Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:46
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/0058; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD FOR PREPARING A SOLID PROPELLANT COMPOSITION WHICH COMPRISES FORMING PELLETS OF ABOUT 2 TO ABOUT 20 WEIGHT PERCENT OF A HIGH ENERGY ELEMENT SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, BORON, DECABORANE, LITHIUM, ALUMINUM, MAGNESIUM, SILICON AND TITANIUM, 0 TO ABOUT 5 WEIGHT PERCENT OF A BINDER MATERIAL, AND ABOUT 80 TO ABOUT 95 WEIGHT PERCENT OF A SOLID OXIDIZER, SUBSTANTIALLY FILLING MOLD WITH SAID PELLETS, FILLING THE INTERSTICES BETWEEN THE PELLETS WITH A CURABLE LIQUID POLYMERIC MATERIAL CONTAINING A DISPERSION OF PARTICLES OF FROM ABOUT 20 TO ABOUT 50 WEIGHT PERCENT OF A SOLID INORGANIC OXIDIZING SALT, AND SUBJECTING THE RESULTING COMPOSITION IN SAID MOLD TO A CURING TEMPERATURE FOR A TIME SUFFICIENT TO CURE SAID CURABLE LIQUID POLYMERIC MATERIAL.
Claim 2
Independent Claim
123 words
A METHOD FOR PREPARING A SOLID PROPELLANT COMPOSITION WHICH COMPRISES FORMING PELLETS OF ABOUT 2 TO ABOUT 20 WEIGHT PERCENT OF A HIGH ENERGY ELEMENT SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, BORON, DECABORANE, LITHIUM, ALUMINUM, MAGNESIUM, SILICON AND TITANIUM, 0 TO ABOUT 5 WEIGHT PERCENT OF A BINDER MATERIAL, AND ABOUT 80 TO ABOUT 95 WEIGHT PERCENT OF A SOLID OXIDIZER, SUBSTANTIALLY FILLING MOLD WITH SAID PELLETS, FILLING THE INTERSTICES BETWEEN THE PELLETS WITH A CURABLE LIQUID POLYMERIC MATERIAL CONTAINING A DISPERSION OF PARTICLES OF FROM ABOUT 20 TO ABOUT 50 WEIGHT PERCENT OF A SOLID INORGANIC OXIDIZING SALT, AND SUBJECTING THE RESULTING COMPOSITION IN SAID MOLD TO A CURING TEMPERATURE FOR A TIME SUFFICIENT TO CURE SAID CURABLE LIQUID POLYMERIC MATERIAL.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |