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US3706607A Expired / Lapsed US ⏱️ 0.0 years remaining

Chemical foaming of water-bearing explosives

Assignee: ETI EXPLOSIVES TECHNOLOGIES INTE
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Filing: 1971-01-21
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Granted: 1972-12-19
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Expires: 1991-01-21
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Abstract

Abstract MAKING FOAMED SEMISOLID COLLOIDAL DISPERSIONS OF WATER-BEARING BLASTING AGENTS CONTAINING AN INORGANIC OXIDIZING SALT, E.G., AMMONIUM NITRATE, FUEL, WATER, AND SEPARATELY INCORPORATING INTO THE MIX EACH COMPONENT OF A TWO-COMPONENT FOAMING AGENT COMPOSITION COMPRISING (A) A HYDRAZINE OR DERIVATIVE THEREOF, AND (B) AN OXIDIZING AGENT THAT AIDS IN DECOMPOSING SAID HYDRAZINE(S).

Inventors

  • 👤 Joseph D Chrisp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:56
CPC Classifications
C; C06; C06B; C06B23/00

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) 1975-12-19 1976-06-19 1976-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-12-19 1980-06-19 1980-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-12-19 1984-06-19 1984-12-19 $7700.00 Window Closed / Lapsed

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