Patent US2658028A successfully refreshed from Google Patents.
US2658028A
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Manufacture and use of aluminaplatinum catalysts
Assignee: Universal Oil Products Co
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Filing: 1951-12-14
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Granted: 1953-11-03
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Expires: 1971-12-14
Abstract
No abstract record available.
Inventors
- 👤 Haensel Vladimir
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/00; B01J21/02; B01J21/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A PROCESS FOR REFORMING GASOLINE WHICH COMPRISES SUBJECTING SAID GASOLINE TO CONTACT AT REFORMING CONDITIONS WITH A CATALYST PREPARED BY REACTING GAMMA ALUMINA WITH A CARBOXYLIC ACID OF AT LEAST 60% CONCENTRATION BY WEIGHT AND CAPABLE OF FORMING A BASIC ALUMINUM ACID SALT THEREWITH AT A TEMPERATURE OF FROM ABOUT 150* TO ABOUT 300* C., CONVERTING THE REULTING BASIC ALUMINUM ACID SALT TO ALUMINA, COMBINING PLATINUM THEEWITH IN AN AMOUNT TO FORM A FINAL CATALYST CONTAINING FROM ABOUT 0.01% TO ABOUT 1% BY WEIGHT OF PLATINUM, AND SUBSEQUENTLY HEATING THE COMPOSITE.
References Cited (Backward Citations)
US2479109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |