US3645888A
Expired / Lapsed
US
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Catalytic reforming process
Assignee: Universal Oil Products Co
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Filing: 1970-06-26
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Granted: 1972-02-29
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Expires: 1990-06-26
Abstract
Abstract A GASOLINE FRACTION IS CATALYTICALLY REFORMED BY CONTACTING, IN A REFORMIN ZONE AT REFORMING CONDITIONS, THE GASOLINE FRACTION, HYDROGEN AND WATER OR A WATER-PRODUCING SUBSTANCE WITH A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF A PLATINUM GROUP COMPONENT, A GERMANIUM COMPONENT AND A HALOGEN COMPONENT WITH A POROUS CARRIER MATERIAL. KEY FEATURE INVOLVES MAINTAINING THE TOTAL AMOUNT OF WATER, OR WATER EQUIVALENT, CONTINUOUSLY ENTERING THE REFORMING ZONE IN THE RANGE OF ABOUT 10 TO ABOUT 50 WT.P.P.M. OF THE GASOLINE FRACTION.
Inventors
- 👤 John C Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:15
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/624; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/14
Claims Analysis
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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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |