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US2619449A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of catalyst production and utilization

Assignee: Standard Oil Development Co
•
Filing: 1948-12-30
•
Granted: 1952-11-25
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Expires: 1968-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 Sumner B Sweetser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:22
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; Y; Y10; Y10S; Y10S48/00; Y10S48/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 178 words
THE PROCESS OF PRODUCING A HIGH CALORIFIC FUEL GAS WHICH COMPRISES PASSING A STREAM OF FINELY DIVIDED CARBONACEOUS SOLIDS SELECTED FROM THE GROUP CONSISTING OF COAL AND COKE SAND STREAM INTO A WATER GAS GENERATION ZONE, MAINTAINING SAID SOLIDS IN SAID ZONE AS A FLUIDIZED BED AT WATER GAS GENERATION CONDITIONS, WITHDRAWING FROM SAID ZONE A GAS RICH IN CO AND H2, WITHDRAWING FROM SAID ZONE A STREAM OF CARBONACEOUS SOLID PARTICLES OF HIGH SURFACE AREA, PASSING AT LEAST A PORTION OF SAID SOLID PARTICLE STREAM INTO A HYDROCARBON CONVERSION ZONE, MAINTAINING A FLUIDIZED BED OF SAID PARTICLES IN SAID ZONE, CONTACTING SAID PARTICLES WITH HYDROCARBONS AT TEMPERATURES OF FROM ABOUT 950* TO 1100* F. IN SAID CONVERSION ZONE, WITHDRAWING SAID PARTICLES FROM SAID ZONE, INJECTING AT LEAST A PORTION OF SAID PARTICLES INTO SAID WATER GAS GENERATION ZONE AT A POINT ABOVE SAID BED SO AS TO STRIP ADSORBED HYDROCARBONS FROM SAID SOLIDS AND CRACK SAID STRIPPED HYDROCARBONS TO LOW MOLECULAR WEIGHT HYDROCARBONS, AND WITHDRAWING SAID CRACKED HYDROCARBONS ALONG WITH A GAS RICH IN CO AND H2.

References Cited (Backward Citations)

US1875199A Cited
US2443714A Cited
US2476472A Cited
US2482187A Cited
US2436938A Cited
US2445328A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-25 1956-05-26 1956-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-25 1960-05-26 1960-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-25 1964-05-26 1964-11-25 $7700.00 Window Closed / Lapsed

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