US3575848A
Expired / Lapsed
US
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Natural maganese oxide minerals as hydrocarbon conversion catalysts
Assignee: Mobil Oil AS
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Filing: 1967-02-13
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Granted: 1971-04-20
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Expires: 1987-02-13
Abstract
Abstract NATURAL MANGANESE OXIDE MINERALS ARE USED AS CATALYSTS IN HYDROCARBON CONVERSIONS, SUCH AS CRACKING.
Inventors
- 👤 Joseph N Miale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:46
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B; B01; B01J; B01J23/00; B01J23/16; B01J23/32; B01J23/34; B01J29/00; B01J29/04; B01J29/06; C07; C07C; C07C4/00; C07C4/02; C07C4/06; C10G45/00; C10G45/58; C10G45/60; C10G47/00; C10G47/02; C10G47/04; C07C2523/00; C07C2523/16; C07C2523/32; C07C2523/34
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |