Patent US2699384A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2699384A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of carbon monoxide and hydrogen from carbonaceous solids

Assignee: EIDP Inc
•
Filing: 1949-12-20
•
Granted: 1955-01-11
•
Expires: 1969-12-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Luther C Peery
  • 👤 Robert H Mckane
  • 👤 Douglas V Moses

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:20
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C10J3/487; C10J3/52; C10J3/526; C10J3/72; C10J3/82; C10J3/84; C10K; C10K1/00; C10K1/02; C10K1/04; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; Y; Y10; Y10S; Y10S48/00; Y10S48/02; Y10S48/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 156 words
IN A PROCESS FOR THE PREPARATION OF CARBON MONOXIDE AND HYDROGEN BY THE PARTIAL COMBUSTION OF PULVERIZED COAL IN THE PRESENCE OF STREAM AND WITH OXYGEN OF AT LEAST 90% PURITY WHEREIN THE SLAG IS CONTINUOUSLY DISCHARGED FROM THE REACTION ZONE IN THE MOLTEN STATE, THE STEPS WHICH COMPRISE MIXING PULVERIZED COAL WITH STREAM AND OXYGEN OF AT LEAST 90% PURITY, INJECTING THE COAL-STREAM-OXYGEN MIXTURE INTO A COMBUSTION ZONE AND SUBJECTING IT THEREIN TO PARTIAL COMBUSTION, SEALING ALL OPENINGS OF THE COMBUSTION ZONE FROM THE ATMOSPHERE, THE INLET BY THE COALSTREAM-OXYGEN MIXTURE, THE PRODUCT GAS EXIT BY THE FLOW OF PRODUCT GASES THERETHROUGH AND THE SLAG DISCHARGE EXIT BY A WATER SEAL, ADJUSTING AND ARRANGING SAID SLAG DISCHARGE EXIT AND SEAL BELOW THE COMBUSTION ZONE TO PERMIT UNOBSTRUCTED FLOW OF MOLTEN SLAG INTO SAID WATER SEAL, AND DISCHARGING SUFFICIENT PRODUCT GAS THROUGH THE SLAG DISCHARGE EXIT TO KEEP THAT EXIT HOT AND FREE OF SLAG PLUGS.
Claim 2
Dependent Claim 156 words
IN A PROCESS FOR THE PREPARATION OF CARBON MONOXIDE AND HYDROGEN BY THE PARTIAL COMBUSTION OF PULVERIZED COAL IN THE PRESENCE OF STREAM AND WITH OXYGEN OF AT LEAST 90% PURITY WHEREIN THE SLAG IS CONTINUOUSLY DISCHARGED FROM THE REACTION ZONE IN THE MOLTEN STATE, THE STEPS WHICH COMPRISE MIXING PULVERIZED COAL WITH STREAM AND OXYGEN OF AT LEAST 90% PURITY, INJECTING THE COAL-STREAM-OXYGEN MIXTURE INTO A COMBUSTION ZONE AND SUBJECTING IT THEREIN TO PARTIAL COMBUSTION, SEALING ALL OPENINGS OF THE COMBUSTION ZONE FROM THE ATMOSPHERE, THE INLET BY THE COALSTREAM-OXYGEN MIXTURE, THE PRODUCT GAS EXIT BY THE FLOW OF PRODUCT GASES THERETHROUGH AND THE SLAG DISCHARGE EXIT BY A WATER SEAL, ADJUSTING AND ARRANGING SAID SLAG DISCHARGE EXIT AND SEAL BELOW THE COMBUSTION ZONE TO PERMIT UNOBSTRUCTED FLOW OF MOLTEN SLAG INTO SAID WATER SEAL, AND DISCHARGING SUFFICIENT PRODUCT GAS THROUGH THE SLAG DISCHARGE EXIT TO KEEP THAT EXIT HOT AND FREE OF SLAG PLUGS.

References Cited (Backward Citations)

US909920A Cited
US1146627A Cited
GB201147A Cited
US1799885A Cited
US1833964A Cited
GB413130A Cited
US2558746A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-10 1958-07-12 1959-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-10 1962-07-12 1963-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-10 1966-07-12 1967-01-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag