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US2776248A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbon reforming with fluidized platinum and heating system therefor

Assignee: Standard Oil Co
•
Filing: 1953-05-19
•
Granted: 1957-01-01
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Expires: 1973-05-19
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Hengstebeck
  • 👤 Maurice F Oxenreiter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:49
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 171 words
A FLUIDIZED PLATINUM CATALYST HYDROCARBON REFORMING SYSTEM WHICH COMPRISES A HIGH PRESSURE FLUIDIZED SOLIDS REACTOR VESSEL, A LOW PRESSURE FLUIDIZED SOLIDS HEATING VESSEL BELOW SAID REACTOR VESSEL, A DISTRIBUTOR GRID AT THE BASE OF THE REACTOR VESSEL, HIGH PRESSURE CATALYST CIRCULATION TUBES EXTENDING THROUGH THE BASE OF THE RACTOR VESSEL ON THE TOP OF SAID HEATING VESSEL FOR WITHDRAWING CATALYST ABOVE SAID GRID, CIRCULATING IT THROUGH SAID HIGH PRESSURE TUBES IN THE HEATING VESSEL AND RETURNING IT ABOVE SAID GRID, CONNECTIONS FOR INTRODUCING AIR AND FUEL RESPECCTIVELY AT THE BASE OF SAID HEATING VESSEL, A LOW PRESSURE CYCLONE SEPARATOR, CONNECTIONS FOR INTRODUCING FLUE GAS FROM THE HEATER VESSEL TO THE CYCLONE SEPARATOR AND FOR RETURNING SEPARATED SOLIDS THEREFROM TO THE HEATING VESSEL AND VENTING LOW PRESSURE FLUE GAS AND A CONNECTION FOR INTRODUCTING HOT HYDROGEN INTO AT LEAST ONE OF SAID HIGH PRESSURE TUBES FOR LIFTING CATALYST THEREIN UPWARDLY TO THE REACTOR VESSEL AND THEREBY CAUSING CATALYST CIRCULATION FROM THE REACTOR VESSEL THROUGH SAID TUBES AND BACK TO THE REACTOR VESSEL.
Claim 2
Dependent Claim 171 words
A FLUIDIZED PLATINUM CATALYST HYDROCARBON REFORMING SYSTEM WHICH COMPRISES A HIGH PRESSURE FLUIDIZED SOLIDS REACTOR VESSEL, A LOW PRESSURE FLUIDIZED SOLIDS HEATING VESSEL BELOW SAID REACTOR VESSEL, A DISTRIBUTOR GRID AT THE BASE OF THE REACTOR VESSEL, HIGH PRESSURE CATALYST CIRCULATION TUBES EXTENDING THROUGH THE BASE OF THE RACTOR VESSEL ON THE TOP OF SAID HEATING VESSEL FOR WITHDRAWING CATALYST ABOVE SAID GRID, CIRCULATING IT THROUGH SAID HIGH PRESSURE TUBES IN THE HEATING VESSEL AND RETURNING IT ABOVE SAID GRID, CONNECTIONS FOR INTRODUCING AIR AND FUEL RESPECCTIVELY AT THE BASE OF SAID HEATING VESSEL, A LOW PRESSURE CYCLONE SEPARATOR, CONNECTIONS FOR INTRODUCING FLUE GAS FROM THE HEATER VESSEL TO THE CYCLONE SEPARATOR AND FOR RETURNING SEPARATED SOLIDS THEREFROM TO THE HEATING VESSEL AND VENTING LOW PRESSURE FLUE GAS AND A CONNECTION FOR INTRODUCTING HOT HYDROGEN INTO AT LEAST ONE OF SAID HIGH PRESSURE TUBES FOR LIFTING CATALYST THEREIN UPWARDLY TO THE REACTOR VESSEL AND THEREBY CAUSING CATALYST CIRCULATION FROM THE REACTOR VESSEL THROUGH SAID TUBES AND BACK TO THE REACTOR VESSEL.
Claim 3
Dependent Claim 114 words
A FLUIDIZED PLATINUM CATALYST SYSTEM FOR REFORMING HYDROCARBONS OF THE NAPHTHA BOILING RANGE WHEREIN SOLIDS ARE CARRIED FORM A REACTION ZONE IN EFFLUENT PRODUCTS, SCRUBBED FROM SAID PRODUCTS AND RECYCLED TO THE REACTION IN A SLURRY OIL, THE METHOD OF MINIMIZING REQUIRED HEAT INPUT TO THE DENSE CATALYST PHASE IN THE REACTION ZONE WHICH MEHOD COMPRISES CONTACTING RECYCLED SLURRY OIL CONTAINING CATALYST PARTICLES WITH HOT REACTION PRODUCTS DOWNSTREAM OF THE DENSE CATALYST PHASE FOR COOLING SAID REACTION PRODUCTS, VAPORIZING SAID SLURRY OIL AND PREHEATING CATALYST CARRIED BY SAID SLURRY OIL, CARRYING SAID VAPORIZED SLURRY OIL WITH SAID REACTION PRODUCTS TO A PRODUCT RECOVERY SYSTEM AND RETURNING THE PREHEATED CATALYST PARTICLES TO SAID DENSE PHASE.
Claim 4
Dependent Claim 114 words
A FLUIDIZED PLATINUM CATALYST SYSTEM FOR REFORMING HYDROCARBONS OF THE NAPHTHA BOILING RANGE WHEREIN SOLIDS ARE CARRIED FORM A REACTION ZONE IN EFFLUENT PRODUCTS, SCRUBBED FROM SAID PRODUCTS AND RECYCLED TO THE REACTION IN A SLURRY OIL, THE METHOD OF MINIMIZING REQUIRED HEAT INPUT TO THE DENSE CATALYST PHASE IN THE REACTION ZONE WHICH MEHOD COMPRISES CONTACTING RECYCLED SLURRY OIL CONTAINING CATALYST PARTICLES WITH HOT REACTION PRODUCTS DOWNSTREAM OF THE DENSE CATALYST PHASE FOR COOLING SAID REACTION PRODUCTS, VAPORIZING SAID SLURRY OIL AND PREHEATING CATALYST CARRIED BY SAID SLURRY OIL, CARRYING SAID VAPORIZED SLURRY OIL WITH SAID REACTION PRODUCTS TO A PRODUCT RECOVERY SYSTEM AND RETURNING THE PREHEATED CATALYST PARTICLES TO SAID DENSE PHASE.

References Cited (Backward Citations)

US2185929A Cited
US2472844A Cited
US2363874A Cited
US2492948A Cited
US2478916A Cited
US2557680A Cited
US2479110A Cited
US2663622A Cited
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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) 1960-01-01 1960-07-02 1961-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-01 1964-07-02 1965-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-01 1968-07-02 1969-01-01 $7700.00 Window Closed / Lapsed

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