US2723907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon fuel oil stabilization
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1950-11-13
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Granted: 1955-11-15
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Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Dilworth T Rogers
- 👤 Harry W Rudel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:46
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A FUEL OIL COMPOSITION CONSISTING OF A MAJOR PROPORTION OF HYDROCARBONS BOILING IN THE HEATING OIL BOILING RANGE INCLUDING MORE THAN ABOUT 10% CRACKED STOCKS AND A MINOR PORPORTION OF SYNERGISTIC COMBINATION OF A 350 TO 550 MOLECULAR WEIGHT ALKALI METAL PETROLEUM SULFONATE AND AN OIL-SOLUBLE RESINOUS AUTO-CONDENSATION PRODUCT OF AN ALKYL HYDORXY BENZYL AMINE HAVING THE GENERAL COMPOSITIONAL FORMULA
Claim 2
Dependent Claim
60 words
A FUEL OIL COMPOSITION CONSISTING OF A MAJOR PROPORTION OF HYDROCARBONS BOILING IN THE HEATING OIL BOILING RANGE INCLUDING MORE THAN ABOUT 10% CRACKED STOCKS AND A MINOR PORPORTION OF SYNERGISTIC COMBINATION OF A 350 TO 550 MOLECULAR WEIGHT ALKALI METAL PETROLEUM SULFONATE AND AN OIL-SOLUBLE RESINOUS AUTO-CONDENSATION PRODUCT OF AN ALKYL HYDORXY BENZYL AMINE HAVING THE GENERAL COMPOSITIONAL FORMULA
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |