US2849377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of catalytic reforming process
Assignee: Atlantic Richfield Co
•
Filing: 1953-04-16
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Granted: 1958-08-26
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Expires: 1973-04-16
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)
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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) | 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 |