US3093575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of petroleum residua with sodium alloys
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-11-25
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Granted: 1963-06-11
•
Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Mattox William Judson
- 👤 Adams Clark Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:19
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/02; C10G29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE PROCESS OF UPGRADING A PETROLEUM RESIDUAL STOCK WHICH COMPRISES CONTACTING SAID STOCK IN THE LIQUID PHASE AT A TEMPERATURE OF ABOUT 400* TO 800*F. WITH AN ALLOY COMPRISING SODIUM AND LEAD, SAID SODIUM CONTENT BEING AT LEAST 2% AND LESS THAN 10% BASED ON TOTAL WEIGHT OF ALLOY.
Claim 2
Dependent Claim
49 words
THE PROCESS OF UPGRADING A PETROLEUM RESIDUAL STOCK WHICH COMPRISES CONTACTING SAID STOCK IN THE LIQUID PHASE AT A TEMPERATURE OF ABOUT 400* TO 800*F. WITH AN ALLOY COMPRISING SODIUM AND LEAD, SAID SODIUM CONTENT BEING AT LEAST 2% AND LESS THAN 10% BASED ON TOTAL WEIGHT OF ALLOY.
References Cited (Backward Citations)
US1859028A
Cited
US1801412A
Cited
US2058131A
Cited
US1920248A
Cited
US2772211A
Cited
US2927074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |