← Back to Patent Explorer
US2849377A Expired / Lapsed US ⏱️ 0.0 years remaining

Control of catalytic reforming process

Assignee: Atlantic Richfield Co
•
Filing: 1953-04-16
•
Granted: 1958-08-26
•
Expires: 1973-04-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hugh B Ogburn
  • 👤 Robert D Bent
  • 👤 George P Masologites

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 08:52
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; B; B01; B01J; B01J21/00; B01J21/16; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/06; B01J21/08; B01J2229/00; B01J2229/30; B01J2229/36

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 195 words
IN A PROCESS FOR CATALYTICALLY REFORMING A HYDROCARBON FRACTION BOILING WITHIN THE GASOLINE-KERSONE RANGE TO INCREASE THE ANTI-KNOCK VALUE THEREOF IN THE PRESENCE OF HYDROGEN AND A CATALYST COMPRISING AN ACIDIC METAL OXIDE COMPONENT IMPREGNATED WITH A METAL FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM IN WHICH THE REACTION TEMPERATURE FOR MAXIMUM ISOMER PRODUCTION AT HIGH SELECTIVITY IS OF LESS SEVERITY THAN IS THE REACTION TEMPERATURE FOR THE MAXIMUM PRODUCTION OF AROMATICS, THE STEPS OF INCREASING THE REACTION TEMPERATURE FOR MAXIMUM ISOMER PRODUCTION AT HIGH SELECTIVITY IN THE DIRECTION OF THE SEVERITY OF THE REACTION TEMPERATURE FOR PRODUCING MAXIMUM AROMATICS WHICH COMPRISES CONDUCTING THE REFORMING PROCESS IN THE PRESENCE OF AT LEAST ONE NITROGEN-CONTAINING COMPOUND FROM THE GROUP CONSISTING OF AMMONIA AND COMPOUNDS WHICH WILL YIELD AMMONIA UNDER THE REFORMING PROCESS CONDITIONS WITHOUT THE DEPOSITION OF A SOLID RESIDUE ON THE CATALYST IN AN AMOUNT SUFFICIENT TO PERMIT AN INCREASE IN THE REACTION TEMPERATURE APPLICABLE TO MAXIMUM ISOMER PRODUCTION AT THE DESIRED SELECTIVITY AND INCREASING THE REACTION TEMPERATURE WITHIN THE RANGE OF THE REACTION TEMPERATURE FOR THE MAXIMUM PRODUCTION OF AROMATICS, THEREBY TO PRODUCE SIMULTANEOUSLY MAXIMUM AROMATICS AND MAXIMUM ISOMERS AT THE DESIRED SELECTIVITY.
Claim 2
Dependent Claim 195 words
IN A PROCESS FOR CATALYTICALLY REFORMING A HYDROCARBON FRACTION BOILING WITHIN THE GASOLINE-KERSONE RANGE TO INCREASE THE ANTI-KNOCK VALUE THEREOF IN THE PRESENCE OF HYDROGEN AND A CATALYST COMPRISING AN ACIDIC METAL OXIDE COMPONENT IMPREGNATED WITH A METAL FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM IN WHICH THE REACTION TEMPERATURE FOR MAXIMUM ISOMER PRODUCTION AT HIGH SELECTIVITY IS OF LESS SEVERITY THAN IS THE REACTION TEMPERATURE FOR THE MAXIMUM PRODUCTION OF AROMATICS, THE STEPS OF INCREASING THE REACTION TEMPERATURE FOR MAXIMUM ISOMER PRODUCTION AT HIGH SELECTIVITY IN THE DIRECTION OF THE SEVERITY OF THE REACTION TEMPERATURE FOR PRODUCING MAXIMUM AROMATICS WHICH COMPRISES CONDUCTING THE REFORMING PROCESS IN THE PRESENCE OF AT LEAST ONE NITROGEN-CONTAINING COMPOUND FROM THE GROUP CONSISTING OF AMMONIA AND COMPOUNDS WHICH WILL YIELD AMMONIA UNDER THE REFORMING PROCESS CONDITIONS WITHOUT THE DEPOSITION OF A SOLID RESIDUE ON THE CATALYST IN AN AMOUNT SUFFICIENT TO PERMIT AN INCREASE IN THE REACTION TEMPERATURE APPLICABLE TO MAXIMUM ISOMER PRODUCTION AT THE DESIRED SELECTIVITY AND INCREASING THE REACTION TEMPERATURE WITHIN THE RANGE OF THE REACTION TEMPERATURE FOR THE MAXIMUM PRODUCTION OF AROMATICS, THEREBY TO PRODUCE SIMULTANEOUSLY MAXIMUM AROMATICS AND MAXIMUM ISOMERS AT THE DESIRED SELECTIVITY.

References Cited (Backward Citations)

US1931550A Cited
US1931549A Cited
US2321604A Cited
US2478916A Cited
US2623861A Cited
US2642385A Cited
US2752289A Cited
US2717230A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-25 1962-02-24 1962-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-25 1966-02-24 1966-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-25 1970-02-24 1970-08-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag