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US3556751A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of synthesis gas

Assignee: Texaco Inc
•
Filing: 1968-04-05
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Granted: 1971-01-19
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Expires: 1988-04-05
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Abstract

Abstract PRODUCING SYNTHESIS GAS OR FUEL GAS WHEREIN THE FEEDSTOCK FOR A PARTIAL OXIDATION GAS GENERATOR COMPRISES A MIXTURE OF CARBONIFEROUS FUEL AND FROM ABOUT 1 TO 80 WT. PERCENT OF AN OXYGENATED HYDROCARBONACEOUS ORGANIC MATERIAL WHICH SUPPLIES THE FEEDSTOCK WITH A MINIMUM OF 0.5 WT. PERCENT OF COMBINED OXYGEN, AND THE PRODUCT GAS COMPRISES PRINCIPALLY CO AND H2 TOGETHER WITH MINOR AMOUNTS OF H2O, CO2, CH4, AND UNCONVERTED CARBON. BY REACTING ISOBUTYRALDEHYDE OR MOLASSES WITH HEAVY FUEL OIL OR VACUUM RESIDUUM THE CONCENTRATION OF CH4 IN THE PRODUCT GAS MAY BE INCREASED WHILE THE FREE OXYGEN CONSUMPTION AND THE REACTION TEMPERATURE AT A GIVEN LEVEL OF SOOT PRODUCTION AND STEAM/FUEL RATIO IS DECREASED.

Inventors

  • 👤 William L Slater
  • 👤 John C Ahlborn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:54
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/466; C01; C01B; C01B3/00; C01B3/02; C01B3/025; C10J3/72; C10J3/74; C10J3/78; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/0916; C10J2300/092; C10J2300/0943; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0973; C10J2300/0976; C10J2300/18; C10J2300/1846

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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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