US2965560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the reforming of a naphtha in several stages
Assignee: Sinclair Refining Co
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Filing: 1956-12-06
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Granted: 1960-12-20
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Smith Reading Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:17
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN THE REFORMING OF PETROLEUM HYDROCARBONS OF GASOLINE AND NAPHTHA BOILING RANGES IN THE PRESENCE OF HYDROGEN AND A PLATINUM METAL REFORMING CATALYST AND EMPLOYING IN SERIES A PLURALITY OF ADIABATIC CATALYST BEDS MAINTAINED UNDER REFORMING CONDITIONS IN SEPARATE REACTORS DEFINING SEPARATE REACTION ZONES, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE HYDROCARBON FEED WITH AN ADIABATIC BED OF PLATINUM METAL REFORMING CATALYST IN A PRELIMINARY REACTION ZONE MAINTAINED UNDER REFORMING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN, THE CHARGE BEING INTRODUCED INTO THE PRELIMINARY REACTION ZONE AT AN INLET TEMPERATURE OF ABOUT 75$ TO 150$F. LESS THAN THE TEMPERATURE OF THE EFFLUENT FROM THE LAST CATALYST BED IN THE SERIES OF REACTORS, PASSING THE EFFLUENT OF THE PRELIMINARY REACTION ZONE TO A SECOND ADIABATIC BED OF PLATINUM METAL REFORMING CATALYST IN A REACTION ZONE MAINTAINED UNDER REFORMING CONDITIONS IN THE PRESENCE OF HYDROGEN, THE CHARGE BEING INTRODUCED INTO THE SECOND REACTION ZONE AT AN INLET TEMPERATURE BELOW THE INLET TEMPERATURE TO THE
Claim 2
Dependent Claim
161 words
IN THE REFORMING OF PETROLEUM HYDROCARBONS OF GASOLINE AND NAPHTHA BOILING RANGES IN THE PRESENCE OF HYDROGEN AND A PLATINUM METAL REFORMING CATALYST AND EMPLOYING IN SERIES A PLURALITY OF ADIABATIC CATALYST BEDS MAINTAINED UNDER REFORMING CONDITIONS IN SEPARATE REACTORS DEFINING SEPARATE REACTION ZONES, THE IMPROVEMENT WHICH COMPRISES CONTACTING THE HYDROCARBON FEED WITH AN ADIABATIC BED OF PLATINUM METAL REFORMING CATALYST IN A PRELIMINARY REACTION ZONE MAINTAINED UNDER REFORMING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN, THE CHARGE BEING INTRODUCED INTO THE PRELIMINARY REACTION ZONE AT AN INLET TEMPERATURE OF ABOUT 75$ TO 150$F. LESS THAN THE TEMPERATURE OF THE EFFLUENT FROM THE LAST CATALYST BED IN THE SERIES OF REACTORS, PASSING THE EFFLUENT OF THE PRELIMINARY REACTION ZONE TO A SECOND ADIABATIC BED OF PLATINUM METAL REFORMING CATALYST IN A REACTION ZONE MAINTAINED UNDER REFORMING CONDITIONS IN THE PRESENCE OF HYDROGEN, THE CHARGE BEING INTRODUCED INTO THE SECOND REACTION ZONE AT AN INLET TEMPERATURE BELOW THE INLET TEMPERATURE TO THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |