US3320157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of residual crudes
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-11-16
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Granted: 1967-05-16
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William Floyd Arey
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE PROCESS FOR REMOVING SULFUR IMPRUITIES FROM A HYDROCARBON FRACTION CONTAINING FROM 0.5 TO 7.0 WT. PERCENT SULFUR WHICH COMPRISES CONTACTING SAID FRACTION IN THE LIQUID PHASE AT A TEMPERATURE OF 500-700*F. WITH A REAGENT CONSISTING ESSENTIALLY OF MANGANESE HYDROXIDE AND RECOVERING A FRACTION OF SUBSTANTIALLY REDUCED SULFUR CONTENT.
Claim 2
Dependent Claim
49 words
THE PROCESS FOR REMOVING SULFUR IMPRUITIES FROM A HYDROCARBON FRACTION CONTAINING FROM 0.5 TO 7.0 WT. PERCENT SULFUR WHICH COMPRISES CONTACTING SAID FRACTION IN THE LIQUID PHASE AT A TEMPERATURE OF 500-700*F. WITH A REAGENT CONSISTING ESSENTIALLY OF MANGANESE HYDROXIDE AND RECOVERING A FRACTION OF SUBSTANTIALLY REDUCED SULFUR CONTENT.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |