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US3778320A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-polluting disposal of explosives and propellants

Assignee: Boeing North American Inc
•
Filing: 1972-06-20
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Granted: 1973-12-11
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Expires: 1992-06-20
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Abstract

Abstract UNWANTED EXPLOSIVES AND PROPELLANTS ARE DESTROYED IN A SAFE NON-POLLUTING MANNER BY BEING CONTRACTED WITH A HOT MOLTEN SALT CONTAINING AS ESSENTIAL REACTIVE COMPONENT ALKALI METAL CARBONATE OR HYDROXIDE OR MIXTURES THEREOF. SOME OF THE RESULTING DECOMPOSITION PRODUCTS THAT WOULD ORDINARILY BE RELEASED AS ATMOSPHERIC POLLUTANTS REACT WITH OR ARE RETAINED IN THE MELT. ANY COMBUSTIBLE MATTER PRESENT IN THE MELT MAY BE FURTHER REACTED BY USE OF OXIDATIVE MOLTEN SALTS ALONG OR IN COMBINATION WITH OXYGEN ADDED TO THE MELT. FORMED GASEOUS PRODUCTS MAY BE TREATED IN A SECOND REACTION ZONE TO COMPLETE OXIDATION OF ANY COMBUSTIBLE MATTER PRESENT BEFORE DISCHARGE OF THE GASES TO THE ATMOSPHERE. THE REACTIVE COMPONENT OF THE TREATED MELT MAY BE REGENERATED, OR THE MELT MAY BE DISPOSED OF, PREFERABLY BY REACTION WITH LIME IN AN AQUEOUS OR MOLTEN MEDIUM TO FORM A WATER-INSOLUBLE CALCIUM SALT RESIDUE. PARTICULARLY EFFECTIVE AND PREFERRED REACTED MOLTEN SALTS ARE THE NAOH-KOH AND LI2CO2-NA2CO2-K2CO2 EUTECTIC MIXTURES.

Inventors

  • 👤 D Huber
  • 👤 S Yosim
  • 👤 F Grantham Leroy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:11
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/32; C; C06; C06B; C06B21/00; C06B21/0091; A62D2101/00; A62D2101/06; A62D2101/20; A62D2101/26; A62D2101/28; Y; Y10; Y10S; Y10S149/00; Y10S149/124

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1976-12-10 1977-06-11 1977-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-10 1981-06-11 1981-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-10 1985-06-11 1985-12-11 $7700.00 Window Closed / Lapsed

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