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US3703460A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-equilibrium plasma reactor for natural gas processing

Assignee: United States Atomic Energy Commission
•
Filing: 1970-09-30
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Granted: 1972-11-21
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Expires: 1990-09-30
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Abstract

Abstract A NON-EQUILIBRIUM PLASMA FOR NATURAL GAS PROCESSING INTO ETHANE AND ETHYLENE COMPRISING MEANS OF PRODUCING A NON-EQUILIBRIUM CHEMICAL PLASMA WHEREIN SELECTIVE CONVERSION OF THE METHANE IN NATURAL GAS TO DESIRED PRODUCTS OF ETHANE AND ETHYLENE AT A PRE-DETERMINED ETHANE/ETHYLENE RATIO IN THE CHEMICAL PROCESS MAY BE INTIMATELY CONTROLLED AND OPTIMIZED AT A HIGH ELECTRICAL POWER EFFICIENCY RATE BY MIXING WITH A RECYCLING GAS INERT TO THE CHEMICAL PROCESS SUCH AS ARGON, HELIUM, OR HYDROGEN, REDUCING THE RESIDENCE TIME OF THE METHANE IN THE CHEMICAL PLASMA, SELECTING THE GAS PRESSURE IN THE CHEMICAL PLASMA FROM A WIDE RANGE OF PRESSURES, AND UTILIZING PULSED ELECTRICAL DISCHARGE PRODUCING THE CHEMICAL PLASMA.

Inventors

  • 👤 Frederick H Shair
  • 👤 Arakali L Ravimohan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:18
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; B01J2219/00; B01J2219/08; B01J2219/0894

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) 1975-11-21 1976-05-22 1976-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-11-21 1980-05-22 1980-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-11-21 1984-05-22 1984-11-21 $7700.00 Window Closed / Lapsed

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