Patent US2585737A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2585737A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic reforming process

Assignee: Standard Oil Development Co
•
Filing: 1948-10-21
•
Granted: 1952-02-12
•
Expires: 1968-10-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Carpenter Clifford Le Roy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:20
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B3/40; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 208 words
AN IMPROVED CONTINUOUS PROCESS FOR THE PREPARATION OF A GASEOUS PRODUCT COMPRISING HYDROGEN AND CARBON MONOXIDE WHICH COMPRISES CONTINUOUSLY MAINTAINING A REACTION ZONE CONTAINING A REFORMING CATALYST COMPRISING AN EIGHTH GROUP METAL AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 1300* F. AND 2000* F., CONTINUOUSLY INTRODUCING INTO ONE EXTREME END OF SAID ZONE A STREAM COMPRISING A NORMALLY GASEOUS HYDROCARBON AND AN OXIDIZING GAS COMPRISING STREAM AND CAPABLE OF REACTING ENDOTHERMICALLY WITH SAID HYDROCARBON IN THE PRESENCE OF SAID CATALYST AT THE AFORESAID TEMPERATURE, INTRODUCING AT LEAST ONE FURTHER PORTION OF SAID HYDROCARBON INTO SAID ZONE AT THE SIDE THEREOF AT A POINT DOWNSTREAM FROM WHERE THE STREAM OF HYDROCARBON AND OXIDIZING GAS IN INTRODUCED AND IN A REGION WHERE THE TEMPERATURE IS IN EXCESS OF THAT PREVAILING AT SAID EXTREME END, THE AMOUNT OF OXIDIZING GAS IN THE FEED STREAM BEING IN SUBSTANTIAL EXCESS OF THE AMOUNT REQUIRED FOR CONVERSION TO CARBON MONOXIDE AND HYDROGEN OF THE TOTAL AMOUNT OF HYDROCARBON FEED WHEREBY BOTH PORTIONS OF THE HYDROCARBON FEED REACT ENDOTHERMICALLY WITH THE OXIDIZING GAS AND THE TENDENCY OF THE REACTION TO DEPOSIT CARBONACEOUS MATERIAL ON THE CATALYST IS REPRESSED, AND CONTINUOUSLY RECOVERING THE GASEOUS PRODUCT FROM ADJACENT THE OTHER EXTREME END OF THE REACTION ZONE.
Claim 2
Dependent Claim 208 words
AN IMPROVED CONTINUOUS PROCESS FOR THE PREPARATION OF A GASEOUS PRODUCT COMPRISING HYDROGEN AND CARBON MONOXIDE WHICH COMPRISES CONTINUOUSLY MAINTAINING A REACTION ZONE CONTAINING A REFORMING CATALYST COMPRISING AN EIGHTH GROUP METAL AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 1300* F. AND 2000* F., CONTINUOUSLY INTRODUCING INTO ONE EXTREME END OF SAID ZONE A STREAM COMPRISING A NORMALLY GASEOUS HYDROCARBON AND AN OXIDIZING GAS COMPRISING STREAM AND CAPABLE OF REACTING ENDOTHERMICALLY WITH SAID HYDROCARBON IN THE PRESENCE OF SAID CATALYST AT THE AFORESAID TEMPERATURE, INTRODUCING AT LEAST ONE FURTHER PORTION OF SAID HYDROCARBON INTO SAID ZONE AT THE SIDE THEREOF AT A POINT DOWNSTREAM FROM WHERE THE STREAM OF HYDROCARBON AND OXIDIZING GAS IN INTRODUCED AND IN A REGION WHERE THE TEMPERATURE IS IN EXCESS OF THAT PREVAILING AT SAID EXTREME END, THE AMOUNT OF OXIDIZING GAS IN THE FEED STREAM BEING IN SUBSTANTIAL EXCESS OF THE AMOUNT REQUIRED FOR CONVERSION TO CARBON MONOXIDE AND HYDROGEN OF THE TOTAL AMOUNT OF HYDROCARBON FEED WHEREBY BOTH PORTIONS OF THE HYDROCARBON FEED REACT ENDOTHERMICALLY WITH THE OXIDIZING GAS AND THE TENDENCY OF THE REACTION TO DEPOSIT CARBONACEOUS MATERIAL ON THE CATALYST IS REPRESSED, AND CONTINUOUSLY RECOVERING THE GASEOUS PRODUCT FROM ADJACENT THE OTHER EXTREME END OF THE REACTION ZONE.

References Cited (Backward Citations)

US1957743A Cited
US1834115A Cited
GB314944A Cited
US1904592A Cited
US1904908A Cited
US1959151A Cited
US2164292A Cited
US2278892A Cited
US2425754A Cited
US2448290A Cited
US2442093A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-11 1955-08-13 1956-02-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-11 1959-08-13 1960-02-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-11 1963-08-13 1964-02-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag