US3833516A
Expired / Lapsed
US
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Platinum-indium-molybdenum reforming catalysts
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1972-01-03
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Granted: 1974-09-03
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Expires: 1992-01-03
Abstract
Abstract PROCESS AND COMPOSITION FOR IMPROVING THE OCTANE QUALITY OF NAPHTHAS. A CATALYST COMPRISING A TRIUMVIRATE OF THE METALS PLATINUM, MOLYBDENUM AND INDIUM, COMPOSITED WITH A POROUS INORGANIC OXIDE BASE, IS FOUND PARTICULARLY USEFUL IN REFORMING, ESPECIALLY IN REFORMING HIGHLY PARAFFINIC NAPHTHAS.
Inventors
- 👤 W Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:29
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6525; B01J37/00; B01J37/22; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |