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US3066093A Expired / Lapsed US ⏱️ 0.0 years remaining

Simplified hydrofining process

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-11-29
•
Granted: 1962-11-27
•
Expires: 1976-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Lloyd M Ruef
  • 👤 Jr William Lockett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:15
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 203 words
AN IMPROVED PROCESS FOR THE HYDROFINING OF NORMALLY LIQUID HYDROCARBONS WHICH COMPRISES PUMPING THE LIQUID FEED TO A PRESSURE OF OVER 100 P.S.I. ABOVE THE HYDROFINING ZONE PRESSURE, HEATING THE PRESSURIZED FEED TO SUBSTANTIALLY COMPLETELY VAPORIZE IT USING THE VAPORIZING FEED TO EDUCT A LOWER PRESSURE TREAT GAS INTO THE HYDROFINING ZONE CONTAINING A CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT MOLYBDATE OF ALUMINA AND MOLYBDENA ON ALUMINA PERMITTING TREAT GAS AND THE HYDROCARBONS TO REMAIN RESIDENT IN THE HYDROFINING ZONE FOR A PERIOD OF TIME SUFFICIENT TO EFFECT THE DESIRED HYDROFINING, PASSING THE HYDROFINER REACTOR PRODUCTS STREAMS THROUGH A CONDENSER AND THENCE DIRECTLY TO THE TOP OF AN ABSORBER STRIPPING COLUMN, PASSING HYDROFORMER TAIL GAS INTO THE BOTTOM OF THE COLUMN TO COUNTERCURRENTLY CONTACT THE LIQUID HYDROFINER REACTOR PRODUCTS, WITHDRAWING DESULFURIZED LIQUID HYDROFINER REACTOR PRODUCTS FROM THE BOTTOM OF THE COLUMN, SEPARATELY WITHDRAWING GAS CONTAINING HYDROGEN SULFIDE FROM THE ABSORBER STRIPPER COLUMN, SUPPLYING AT MOST A PORTION OF SAID GAS WITHDRAW FROM SAID COLUMN DIRECTLY TO THE SAID EDUCTOR WHERE THE GAS IS INCREASED IN PRESSURE BY THE PRESSURIZED HYDROCARBON FEED STREAM, AND DISCHARGING SAID GAS FROM THE EDUCTOR IN ADMIXTURE WITH THE HYDROCARBON FEED VAPORS INTO THE HYDROFINER REACTION ZONE.
Claim 2
Dependent Claim 203 words
AN IMPROVED PROCESS FOR THE HYDROFINING OF NORMALLY LIQUID HYDROCARBONS WHICH COMPRISES PUMPING THE LIQUID FEED TO A PRESSURE OF OVER 100 P.S.I. ABOVE THE HYDROFINING ZONE PRESSURE, HEATING THE PRESSURIZED FEED TO SUBSTANTIALLY COMPLETELY VAPORIZE IT USING THE VAPORIZING FEED TO EDUCT A LOWER PRESSURE TREAT GAS INTO THE HYDROFINING ZONE CONTAINING A CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT MOLYBDATE OF ALUMINA AND MOLYBDENA ON ALUMINA PERMITTING TREAT GAS AND THE HYDROCARBONS TO REMAIN RESIDENT IN THE HYDROFINING ZONE FOR A PERIOD OF TIME SUFFICIENT TO EFFECT THE DESIRED HYDROFINING, PASSING THE HYDROFINER REACTOR PRODUCTS STREAMS THROUGH A CONDENSER AND THENCE DIRECTLY TO THE TOP OF AN ABSORBER STRIPPING COLUMN, PASSING HYDROFORMER TAIL GAS INTO THE BOTTOM OF THE COLUMN TO COUNTERCURRENTLY CONTACT THE LIQUID HYDROFINER REACTOR PRODUCTS, WITHDRAWING DESULFURIZED LIQUID HYDROFINER REACTOR PRODUCTS FROM THE BOTTOM OF THE COLUMN, SEPARATELY WITHDRAWING GAS CONTAINING HYDROGEN SULFIDE FROM THE ABSORBER STRIPPER COLUMN, SUPPLYING AT MOST A PORTION OF SAID GAS WITHDRAW FROM SAID COLUMN DIRECTLY TO THE SAID EDUCTOR WHERE THE GAS IS INCREASED IN PRESSURE BY THE PRESSURIZED HYDROCARBON FEED STREAM, AND DISCHARGING SAID GAS FROM THE EDUCTOR IN ADMIXTURE WITH THE HYDROCARBON FEED VAPORS INTO THE HYDROFINER REACTION ZONE.

References Cited (Backward Citations)

US2387798A Cited
US2671754A Cited
US2756192A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-26 1966-05-28 1966-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-26 1970-05-28 1970-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-26 1974-05-28 1974-11-27 $7700.00 Window Closed / Lapsed

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