US2976232A
Expired / Lapsed
US
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Platinum-alumina-ceria hydroforming catalyst and process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-01-19
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Granted: 1961-03-21
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter James Porter
- 👤 Smith Warren Maxwell
- 👤 Jr Robert Edward Schexnailder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:45
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/63; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A METHOD OF REFORMING HYDROCARBON FRACTIONS BOILING IN THE NAPHTHA BOILING RANGE WHICH COMPRISES CONTACTING NAPHTHA VAPORS IN ADMIXTURE WITH HYDROGEN AT TEMPERATURES OF FROM 800 TO 1000*F. AND PRESSURES OF FROM ABOUT 100 TO 1000 P.S.I.G. WITH A CATALYST CONSISTING ESSENTIALLY OF FROM ABOUT 0.01 TO 5.0 WT. PERCENT OF A PLATINUM GROUP METAL IN COMBINATION WITH FROM 0.05 TO 5.0 WT. PERCENT OF CERIA AS THE CATALYTIC METAL COMPONENTS SUPPORTED UPON AN ADSORPTIVE ALUMINA-CONTAINING CARRIER.
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |