US2783185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidative reforming of naphtha
Assignee: Standard Oil Co
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Filing: 1953-09-28
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Granted: 1957-02-26
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Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Harold A Strecker
- 👤 Jones Arthur Letcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:16
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/18; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR THE OXIDATIVE REFORMING OF NAPHTHA, WHICH COMPRISES PASSING VAPORIZED NAPHTHA IN THE ABSENCE OF AN ADDED OXYGEN-CONTAINING GAS INTO CONTACT WITH A REFORMING CATALYST CONSISTING OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ARSENIC PENTOXIDE AND ANTIMONY PENTOXIDE SUPPORTED ON A CARRIER MATERIAL, AT A TEMPERATURE OF FROM ABOUT 500 TO 800*F., THE AMOUNT OF THE NAPHTHA BEING NOT IN EXCESS OF ABOUT ONE MOLE OF NAPHTHA PER GRAM ATON OF OXYGEN AVAILABLE UPON REDUCTION OF THE PENTOXIDE TO THE TRIOXIDE, RECOVERING NAPHTHA HAVING A HIGHER KATTWINKEL NUMBER, AND REGENERATING THE REFORMING CATALYST BY OXIDATION TO CONVERT THE OXIDE TO THE PENTOXIDE STATE.
Claim 2
Dependent Claim
107 words
A PROCESS FOR THE OXIDATIVE REFORMING OF NAPHTHA, WHICH COMPRISES PASSING VAPORIZED NAPHTHA IN THE ABSENCE OF AN ADDED OXYGEN-CONTAINING GAS INTO CONTACT WITH A REFORMING CATALYST CONSISTING OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ARSENIC PENTOXIDE AND ANTIMONY PENTOXIDE SUPPORTED ON A CARRIER MATERIAL, AT A TEMPERATURE OF FROM ABOUT 500 TO 800*F., THE AMOUNT OF THE NAPHTHA BEING NOT IN EXCESS OF ABOUT ONE MOLE OF NAPHTHA PER GRAM ATON OF OXYGEN AVAILABLE UPON REDUCTION OF THE PENTOXIDE TO THE TRIOXIDE, RECOVERING NAPHTHA HAVING A HIGHER KATTWINKEL NUMBER, AND REGENERATING THE REFORMING CATALYST BY OXIDATION TO CONVERT THE OXIDE TO THE PENTOXIDE STATE.
References Cited (Backward Citations)
US2250415A
Cited
US2410044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |