US3288659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallized rocket propellants containing azides
Assignee: Dow Chemical Co
•
Filing: 1962-01-24
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Granted: 1966-11-29
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Expires: 1982-01-24
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Rausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:01
CPC Classifications
C; C06; C06B; C06B43/00; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SOLID ROCKET PROPELLANT COMPOSITION CONSISTING ESSENTIALLY OF A FINELY DIVIDED LIGHT METAL AND AN INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM PERCHLORATE, AMMONIUM NITRATE, LITHIUM PERCHLORATE AND MIXTURES THEREOF, SAID LIGHT METAL AND INORGANIC OXIDIZER BEING PRESENT IN STOICHIOMETRIC AMOUNTS BASED ON THE CONVERSION OF SAID METAL TO THE CORRESPONDING METAL OXIDE, AND IN ADMIXTURE THEREWITH A GAS PRODUCING MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDRAZONIUM AZIDE, HYDRAZONIUM AZIDE HYDRAZIDE AND MIXTURES THEREOF, SAID GAS PRODUCING MEMBER BEING PRESENT IN AMOUNT WHICH UTILIZES AND IS EXPANDED BY THE WASTE HEAT OF COMBUSTION OF SAID PROPELLANT WHILE MAINTAINING THE COMBUSTION FLAME TEMPERATURE OF SAID PROPELLANT AT A MINIMUM OF ABOUT 3000*K.
Claim 2
Dependent Claim
114 words
A SOLID ROCKET PROPELLANT COMPOSITION CONSISTING ESSENTIALLY OF A FINELY DIVIDED LIGHT METAL AND AN INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM PERCHLORATE, AMMONIUM NITRATE, LITHIUM PERCHLORATE AND MIXTURES THEREOF, SAID LIGHT METAL AND INORGANIC OXIDIZER BEING PRESENT IN STOICHIOMETRIC AMOUNTS BASED ON THE CONVERSION OF SAID METAL TO THE CORRESPONDING METAL OXIDE, AND IN ADMIXTURE THEREWITH A GAS PRODUCING MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDRAZONIUM AZIDE, HYDRAZONIUM AZIDE HYDRAZIDE AND MIXTURES THEREOF, SAID GAS PRODUCING MEMBER BEING PRESENT IN AMOUNT WHICH UTILIZES AND IS EXPANDED BY THE WASTE HEAT OF COMBUSTION OF SAID PROPELLANT WHILE MAINTAINING THE COMBUSTION FLAME TEMPERATURE OF SAID PROPELLANT AT A MINIMUM OF ABOUT 3000*K.
References Cited (Backward Citations)
US2981616A
Cited
US2996877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |