US3825486A
Expired / Lapsed
US
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Method of converting hydrocarbons with manganese nodule catalysts
Assignee: Mobil Oil AS
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Filing: 1972-04-17
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Granted: 1974-07-23
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Expires: 1992-04-17
Abstract
Abstract THIS SPECIFICATION DISCLOSE THE CONVERSION OF HYDROCARBONS EMPLOYING A CATALYST COMPRISING A BASE-EXCHANGED, CALCINED MANGANESE SILICATE-CONTAINING MINERAL IN THE FORM OF A MANGANESE NODULE, SAID MINERAL HAVING HYDROGEN IONS BONDED THERETO IN AN AMOUNT OF AT LEAST 0.01 GRAM PER 100 GRAMS OF SAID MINERAL.
Inventors
- 👤 J Miale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:52
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/20; B01J21/16; B01J23/00; B01J23/16; B01J23/32; B01J23/34; B01J37/00; B01J37/30; C; C07; C07C; C07C4/00; C07C4/02; C07C4/06; C07C5/00; C07C5/02; C07C5/03; C07C5/22; C07C5/2206; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/16; C07C2523/32; C07C2523/34; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |