Patent US3219498A successfully refreshed from Google Patents.
US3219498A
Expired / Lapsed
US
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Organic acetylenic polymers, their preparation and use as explosives and rocket propellants
Assignee: Nitrochemie Aschau GmbH
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Filing: 1961-02-24
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Granted: 1965-11-23
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Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Nitzsche Siegfried
- 👤 Muller Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:41
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C06; C06B; C06B43/00; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A ROCKET PROPELLANT, WHICH COMPRISES A CRYSTALLINE, SUBDIVIDED POLYMER ACETYLENE COMPOUND FORMED BY REACTING (1) ACETYLENE, AND (2) AN ORGANOSILICON COMPOUND CONTAINING AT LEAST ONE HYDROGEN ATOM BONDED DIRECTLY TO SILICON IN EACH MOLECULE IN THE PRESENCE OF (3) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF TI, V CR, ZR, BN, MO, HF, TA AND W, AND (4) A METAL SELECTED FROM THE GROUP CONSISTING OF MN, OS, IR, PT, RH, PD AND AU, SAID POLYMER ACETYLENE COMPOUND BEING FREE OF COPPER AND HAVING AN ENERGY CONTENT OF AT LEAST 10,000 CALORIES PER GRAM, AN EXPLOSIVE AND AN OXYGEN CARRIER.
Claim 2
Dependent Claim
104 words
A ROCKET PROPELLANT, WHICH COMPRISES A CRYSTALLINE, SUBDIVIDED POLYMER ACETYLENE COMPOUND FORMED BY REACTING (1) ACETYLENE, AND (2) AN ORGANOSILICON COMPOUND CONTAINING AT LEAST ONE HYDROGEN ATOM BONDED DIRECTLY TO SILICON IN EACH MOLECULE IN THE PRESENCE OF (3) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF TI, V CR, ZR, BN, MO, HF, TA AND W, AND (4) A METAL SELECTED FROM THE GROUP CONSISTING OF MN, OS, IR, PT, RH, PD AND AU, SAID POLYMER ACETYLENE COMPOUND BEING FREE OF COPPER AND HAVING AN ENERGY CONTENT OF AT LEAST 10,000 CALORIES PER GRAM, AN EXPLOSIVE AND AN OXYGEN CARRIER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |