US3608313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazine decomposition process using molybdenum catalyst
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1966-12-16
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Granted: 1971-09-28
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Expires: 1986-12-16
Abstract
Abstract THIS INVENTION RELATES TO A PROCESS FOR THE SPONTANEOUS CATALYTIC DECOMPOSITION OF ROCKET PROPELLANTS CONTAINING HYDRAZINE OR MIXTURES OF HYDRAZINE AND HYDRAZINE NITRATE. THE CATALYST USED IN THIS INVENTION RETAINS ITS ACTIVITY AFTER EXPOSURE TO THE PROPELLANT FLAME ENVIRONMENT THEREBY PERMITTING MULTIPLE STARTS OF A ROCKET ENGINE. THE CATALYST CONSISTS OF MOLYBDENUM METAL COATED ON A HIGH SURFACE AREA SUPPORT BODY SUCH AS ALUMINA, IRON, NICKEL, COPPER, IRIDIUM, OR RUTHENIUM MAY BE INCLUDED AS CO-CATALYST METALS.
Inventors
- 👤 Eugene D Guth
- 👤 Jack L Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:55
CPC Classifications
C; C06; C06D; C06D5/00; C06D5/04
Claims Analysis
Total Claims: 0
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |