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Patent US3014793A successfully refreshed from Google Patents.
US3014793A
Expired / Lapsed
US
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Distillate fuel oil compositions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-02-28
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Granted: 1961-12-26
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Expires: 1976-02-28
Abstract
No abstract record available.
Inventors
- 👤 George A Weisgerber
- 👤 Gordon W Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/26; C10L1/2633; C10L1/2658; C10L1/2691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PETROLEUM FUEL OIL COMPOSITION OF IMPROVED STABILITY HAVING A BOILING POINT RANGE BETWEEN 300 AND 700* F. AND CONTAINING AT LEAST 10 VOLUME PERCENT OF PETROLEUM HYDROCARBONS DERIVED FROM CRACKING OPERATIONS AND TO WHICH HAS BEEN ADDED FROM 0.001 TO 1.0 WEIGHT PERCENT OF A TERTIARY ALKYL PRIMARY AMINE HAVING 8 TO 30 CARBON ATOMS WITH A TERTIARY CARBON ATOM ATTACHED DIRECTLY TO THE AMINE GROUP AND FROM 0.001 TO 0.5 WEIGHT PERCENT OF AN OIL SOLUBLE ADDITIVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) A PHOSPHOSULFURIZED HYDROCARBON OBTAINED BY TREATING SUBSTANTIALLY OLEFIN FREE LUBRICATING OIL BRIGHT STOCK HAVING A VISCOSITY OF BETWEEN 150 AND 250 SSU AT 210*F. WITH FROM 5 TO 25 WEIGHT PERCENT OF A PHOSPHORUS CONTENT OF FROM FROM 375 TO 475*F. TO YIELD A PHOSPHOSULFURIZED HYDROCARBON HAVING A PHOOSPHORUS CONTENT OF FROM 2 TO 6 WEIGHT PERCENT, AND (B) LECITHIN, SAID FUEL OIL COMPOSITION HAVING IMPROVED STORAGE STABILITY CHARACTERISTICS WHEN IN CONTACT WITH DELETERIOUS METALS THAT INDUCE INSTABILITY BY THE FORMATION OF SEDIMENT.
Claim 2
Dependent Claim
170 words
A PETROLEUM FUEL OIL COMPOSITION OF IMPROVED STABILITY HAVING A BOILING POINT RANGE BETWEEN 300 AND 700* F. AND CONTAINING AT LEAST 10 VOLUME PERCENT OF PETROLEUM HYDROCARBONS DERIVED FROM CRACKING OPERATIONS AND TO WHICH HAS BEEN ADDED FROM 0.001 TO 1.0 WEIGHT PERCENT OF A TERTIARY ALKYL PRIMARY AMINE HAVING 8 TO 30 CARBON ATOMS WITH A TERTIARY CARBON ATOM ATTACHED DIRECTLY TO THE AMINE GROUP AND FROM 0.001 TO 0.5 WEIGHT PERCENT OF AN OIL SOLUBLE ADDITIVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF: (A) A PHOSPHOSULFURIZED HYDROCARBON OBTAINED BY TREATING SUBSTANTIALLY OLEFIN FREE LUBRICATING OIL BRIGHT STOCK HAVING A VISCOSITY OF BETWEEN 150 AND 250 SSU AT 210*F. WITH FROM 5 TO 25 WEIGHT PERCENT OF A PHOSPHORUS CONTENT OF FROM FROM 375 TO 475*F. TO YIELD A PHOSPHOSULFURIZED HYDROCARBON HAVING A PHOOSPHORUS CONTENT OF FROM 2 TO 6 WEIGHT PERCENT, AND (B) LECITHIN, SAID FUEL OIL COMPOSITION HAVING IMPROVED STORAGE STABILITY CHARACTERISTICS WHEN IN CONTACT WITH DELETERIOUS METALS THAT INDUCE INSTABILITY BY THE FORMATION OF SEDIMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |