US2861942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming in multiple stages employing a platinum-type metal catalyst
Assignee: Sinclair Refining Co
•
Filing: 1954-11-23
•
Granted: 1958-11-25
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 La Vern H Beckberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:23
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN THE REFORMING OF SUBSTANTIALLY OLEFIN-FREE HYDROCARBONS OF GASOLINE AND NAPHTHA BOILING RANGES IN THE PRESENCE OF HYDROGEN AND A PLATINUM METAL REFORMING CATALYST AND EMPLOYING IN SERIES PLATINUM METAL CATALYST BEDS MAINTAINED UNDER REFORMING CONDITIONS IN A PLURALITY OF ADIABATIC REACTION ZONES AND EMPLOYING A HEATING ZONE BEFORE EACH OF THE PLURALITY OF REACTION ZONES, THE STEPS COMPRISING HEATING THE HYDROCARBON FEED, PASSING THE HEATED FEED TO A REACTION ZONE AT AN INLET TEMPERATURE FROM ABOUT 875 TO 975*F., HEATING THE EFFLUENT FROM A REACTION ZONE AND PASSING THE HEATED EFFLUENT TO A SUBSEQUENT REACTION ZONE AT AN INLET TEMPERATURE OF AT
Claim 2
Dependent Claim
103 words
IN THE REFORMING OF SUBSTANTIALLY OLEFIN-FREE HYDROCARBONS OF GASOLINE AND NAPHTHA BOILING RANGES IN THE PRESENCE OF HYDROGEN AND A PLATINUM METAL REFORMING CATALYST AND EMPLOYING IN SERIES PLATINUM METAL CATALYST BEDS MAINTAINED UNDER REFORMING CONDITIONS IN A PLURALITY OF ADIABATIC REACTION ZONES AND EMPLOYING A HEATING ZONE BEFORE EACH OF THE PLURALITY OF REACTION ZONES, THE STEPS COMPRISING HEATING THE HYDROCARBON FEED, PASSING THE HEATED FEED TO A REACTION ZONE AT AN INLET TEMPERATURE FROM ABOUT 875 TO 975*F., HEATING THE EFFLUENT FROM A REACTION ZONE AND PASSING THE HEATED EFFLUENT TO A SUBSEQUENT REACTION ZONE AT AN INLET TEMPERATURE OF AT
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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |