US3080223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized distillate fuels
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-06-29
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Granted: 1963-03-05
•
Expires: 1980-06-29
Abstract
No abstract record available.
Inventors
- 👤 Monnikendam Philip
- 👤 Jr John V Clarke
- 👤 James P Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/22; C10L1/228; C10L1/2283; C10L1/2691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PETROLEUM DISTILLATE FUEL MEETING THE ASTM DISTILLATION SPECIFICAIONS FOR AVIATION TRUBINE FUELS, D1655-59T, AND HAVING IMPROVED WATER TOLERANCE AND THERMAL STABILITY CHARACTERISTICS TO WHICH HAS BEEN ADDED FROM 6 TO ABOUT 90 PARTS PER MILLION OF A THERMAL STABILITY ADDITIVE CONSISTING ESSENTIALLY OF: (1) A PHOSPHOSULFURIZED HYDROCARBON OBTAINED BY REATING ABOUT 2 TO ABOUT 5 MOLES OF A C2 TO C4 OLEFIN POLYMER OF FROM 100 TO ABOUT 50, 000 AVERAGE MOLECULAR WEIGHT WITH ABOUT 1 MOLE OF A SULFIDE OF PHOSPHORUS AT A TEMPERATURE OF FROM 200 TO 600* F. A AND (2) A N, N-DISALICYLIDENE-DIAMINOALKANE CHEALTING AGENT WHEREIN THE ALKLANE GROUP HAS FROM 1 TO 6 CARBON ATOMS, SAID CHEALTING AGENT BEING PRESENT IN A CONCENTRATION RATIO OF FROM 1 TO 25 TIMES THE CONCENTRATION OF SAID PHOSPHOSULFURIZED HYDROCARBON.
Claim 2
Dependent Claim
132 words
A PETROLEUM DISTILLATE FUEL MEETING THE ASTM DISTILLATION SPECIFICAIONS FOR AVIATION TRUBINE FUELS, D1655-59T, AND HAVING IMPROVED WATER TOLERANCE AND THERMAL STABILITY CHARACTERISTICS TO WHICH HAS BEEN ADDED FROM 6 TO ABOUT 90 PARTS PER MILLION OF A THERMAL STABILITY ADDITIVE CONSISTING ESSENTIALLY OF: (1) A PHOSPHOSULFURIZED HYDROCARBON OBTAINED BY REATING ABOUT 2 TO ABOUT 5 MOLES OF A C2 TO C4 OLEFIN POLYMER OF FROM 100 TO ABOUT 50, 000 AVERAGE MOLECULAR WEIGHT WITH ABOUT 1 MOLE OF A SULFIDE OF PHOSPHORUS AT A TEMPERATURE OF FROM 200 TO 600* F. A AND (2) A N, N-DISALICYLIDENE-DIAMINOALKANE CHEALTING AGENT WHEREIN THE ALKLANE GROUP HAS FROM 1 TO 6 CARBON ATOMS, SAID CHEALTING AGENT BEING PRESENT IN A CONCENTRATION RATIO OF FROM 1 TO 25 TIMES THE CONCENTRATION OF SAID PHOSPHOSULFURIZED HYDROCARBON.
References Cited (Backward Citations)
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |