Patent US2939837A successfully refreshed from Google Patents.
US2939837A
Expired / Lapsed
US
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Reforming process using a group vi metal sulfide or oxide-containing catalyst
Assignee: Universal Oil Products Co
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Filing: 1955-04-12
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Granted: 1960-06-07
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Charles V Borger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:36
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J21/00; B01J21/02; B01J21/04; B01J23/00; B01J23/16; B01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A REFORMING PROCESS WHEN COMPRISES SUBJECTING A GASOLINE FRACTION TO CONTACT AT A REFORMING TEMPERATURE OF FROM ABOUT 700* F. TO ABOUT 1100* F. WITH A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, FROM 0.1% TO ABOUT 10% BY WEIGHT OF COMBINED HALOGEN, AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE SULFIDES AND OXIDES OF MOLYBDEUM, CHROMIUM AND TUNGSTEN.
Claim 2
Dependent Claim
68 words
A REFORMING PROCESS WHEN COMPRISES SUBJECTING A GASOLINE FRACTION TO CONTACT AT A REFORMING TEMPERATURE OF FROM ABOUT 700* F. TO ABOUT 1100* F. WITH A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, FROM 0.1% TO ABOUT 10% BY WEIGHT OF COMBINED HALOGEN, AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE SULFIDES AND OXIDES OF MOLYBDEUM, CHROMIUM AND TUNGSTEN.
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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |