Patent US2561420A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2561420A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous hydrocarbon conversion process and apparatus

Assignee: Lummus Technology LLC
•
Filing: 1949-01-07
•
Granted: 1951-07-24
•
Expires: 1969-01-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 August H Schutte

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:29
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
A PROCESS FOR CONVERGING HEAVY RESIDUE HYDROCARBON INTO MAXIMUM YIELDS OF MORE VALUABLE LIQUID PRODUCTS AND MINIMUM YIELDS OF COKE WHICH CONSISTS IN PREHEATING THE CHARGE RESIDUUM TO 700-900* F., THEN CONTACTING IT WITH MATERIAL SO QUANTITY OF PREHEATED SOLID CONTACT MATERIAL SO THAT PRIMARY VAPORIZATION EVOLVES VAPORS OF GAS OIL BOILING RANGE AND THE UNVAPORIZED LIQUID PORTION OF THE CHARGE IS APPLIED TO THE PARTICLES OF CONTACT MATERIAL, CAUSING THE CONTACT MATERIAL PARTICLES THUS WETTED TO FLOW DOWNWARD AS A COMPACT GRAVITY PACKED BED IN A SEALED REACTION ZONE WITHOUT FURTHER ADDITION OF HEAT FOR A TIME SUFFICIENT TO CONVERT THE LIQUID HYDROCARBON CARRIED BY THE PARTICLES INTO LOWER BOILING VAPORS AND A VERY HEAVY RESIDUUM AMOUNTING TO ONE AND A HALF TO FOUR TIMES THE CARBON RESIDUE CONTENT OF THE ORIGINAL CHARGE, BUT NOT SUFICIENT FOR COMPLETE CONVERSION TO DRY PETROLEUM COKE; REMOVING THE WET COKE FROM THE REACTION ZONE AND PASSING IT THROUGH A GAS SEALED ZONE, REMOVING THE LOWER BOILING VAPORS FROM THE UPPER AND END OF THE REACTION ZONE, INTRODUCING THE CONTACT PARTICLES CARRYING THE VERY HEAVY RESIDUUM INTO A SECOND SEALED ZONE, SUBJECTING SAID PARTICLES TO RAPID HEATING
Claim 2
Dependent Claim 194 words
A PROCESS FOR CONVERGING HEAVY RESIDUE HYDROCARBON INTO MAXIMUM YIELDS OF MORE VALUABLE LIQUID PRODUCTS AND MINIMUM YIELDS OF COKE WHICH CONSISTS IN PREHEATING THE CHARGE RESIDUUM TO 700-900* F., THEN CONTACTING IT WITH MATERIAL SO QUANTITY OF PREHEATED SOLID CONTACT MATERIAL SO THAT PRIMARY VAPORIZATION EVOLVES VAPORS OF GAS OIL BOILING RANGE AND THE UNVAPORIZED LIQUID PORTION OF THE CHARGE IS APPLIED TO THE PARTICLES OF CONTACT MATERIAL, CAUSING THE CONTACT MATERIAL PARTICLES THUS WETTED TO FLOW DOWNWARD AS A COMPACT GRAVITY PACKED BED IN A SEALED REACTION ZONE WITHOUT FURTHER ADDITION OF HEAT FOR A TIME SUFFICIENT TO CONVERT THE LIQUID HYDROCARBON CARRIED BY THE PARTICLES INTO LOWER BOILING VAPORS AND A VERY HEAVY RESIDUUM AMOUNTING TO ONE AND A HALF TO FOUR TIMES THE CARBON RESIDUE CONTENT OF THE ORIGINAL CHARGE, BUT NOT SUFICIENT FOR COMPLETE CONVERSION TO DRY PETROLEUM COKE; REMOVING THE WET COKE FROM THE REACTION ZONE AND PASSING IT THROUGH A GAS SEALED ZONE, REMOVING THE LOWER BOILING VAPORS FROM THE UPPER AND END OF THE REACTION ZONE, INTRODUCING THE CONTACT PARTICLES CARRYING THE VERY HEAVY RESIDUUM INTO A SECOND SEALED ZONE, SUBJECTING SAID PARTICLES TO RAPID HEATING

References Cited (Backward Citations)

US2339932A Cited
US2323501A Cited
US2390031A Cited
US2418679A Cited
US2461104A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-23 1955-01-22 1955-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-23 1959-01-22 1959-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-23 1963-01-22 1963-07-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag