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US3708409A Expired / Lapsed US ⏱️ 0.0 years remaining

Chemical process in high enthalpy thermal environment and apparatus therefor

Assignee: X-TECH Corp A CORP OF
•
Filing: 1969-05-22
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Granted: 1973-01-02
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Expires: 1989-05-22
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Abstract

Abstract A PROCESS OF THE CONTINUOUS TYPE FOR TREATING A FLOWABLE NON-GASEOUS MATERIAL INCLUDES THE STEPS OF ESTABLISHING AN ELECTRIC ARC CONDITIONS AND MAINTAINING THAT ARC CONDITION AT A CURRENT DENSITY SUFFICIENT TO GIVE THE ARC A POSITIVE RESISTANCE CHARACTERISTIC TO ESTABLISH A HIGH ENTHALPY ZONE, INTRODUCING THE FLOWABLE MATERIAL FOR PASSAGE THROUGH THE MAINTAINED ARC AND THE HIGH ENTHALPY ZONE AND THEN THROGH A COOLING ATMOSPHERE TO A COLLECTION ZONE. THE APPARATUS FOR PREFORMING THIS PROCESS INCLUDES A CHAMBER IN WHICH ARE DISPOSED A PAIR OF SPACED CARBON CONTAINING ELECTRODES BETWEEN WHICH A HIGH INTENSITY ARE DISCHARGE IS ESTABLISHED WITH A TAIL FLAME SO THAT AN ELONGATED HIGH ENTHALPY ZONE IS DEFINED.

Inventors

  • 👤 R Bainbridge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:02
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C; C22; C22B; C22B4/00; C22B4/005

Claims Analysis

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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) 1976-01-02 1976-07-03 1977-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-02 1980-07-03 1981-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-02 1984-07-03 1985-01-02 $7700.00 Window Closed / Lapsed

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