Patent US3000817A successfully refreshed from Google Patents.
US3000817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sweetening petroleum distillate
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-03-12
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Granted: 1961-09-19
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Expires: 1979-03-12
Abstract
No abstract record available.
Inventors
- 👤 Rycke Paul E E De
- 👤 Jacques M L Rombaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:30
CPC Classifications
C; C10; C10G; C10G19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR REMOVING SULFUR IMPURITIES FROM A PETROLEUM DISTILLATE WHICH COMPRISES ADJUSTING THE COMPOSITION OF SAID DISTILLATE WHEREBY SAID DISTILLATE CONTAINS IN THE RANGE OF ABOUT 0.01 TO 5.0 WT. PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER AND C1 TO C4 ALCOHOLS, PASSING SAID DISTILLATE OVER A FIXED BED
Claim 2
Dependent Claim
54 words
A PROCESS FOR REMOVING SULFUR IMPURITIES FROM A PETROLEUM DISTILLATE WHICH COMPRISES ADJUSTING THE COMPOSITION OF SAID DISTILLATE WHEREBY SAID DISTILLATE CONTAINS IN THE RANGE OF ABOUT 0.01 TO 5.0 WT. PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER AND C1 TO C4 ALCOHOLS, PASSING SAID DISTILLATE OVER A FIXED BED
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |