Patent US2270697A successfully refreshed from Google Patents.
Patent US3279901A successfully refreshed from Google Patents.
US3279901A
Expired / Lapsed
US
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Distillate fuels
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-08-30
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Granted: 1966-10-18
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Max L Robbins
- 👤 Darrell W Brownawell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/12; C10L1/1233; C10L1/125; C10L1/18; C10L1/182; C10L1/183; C10L1/188; C10L1/1881; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FUEL OIL, WHICH IS SUBJECT TO CONTAMINATION BY WATER AND WHICH IS INHIBITED AGAINST FORMATION OF LARGE ICE CRYSTALS WHICH CAN CAUSE VALVE AND FILTER PLUGGING, CONTAINING: A MINOR AMOUNT OF A WATER MICROEMULSIFYING ADDITIVE MIXTURE, SUFFICIENT TO MICROEMULSIFY WATER CONTAMINATION INTO SAID OIL, OF ABOUT 1 TO 9 PARTS BY WEIGHT OF C16 C20 FATTY ACID, ABOUT 1 TO 8 PARTS OF ALKYL PHENOL WHEREIN SAID ALKYL GROUP HAS 9 TO 12 CARBON ATOMS, AND ABOUT 1 TO 5 PARTS BY WEIGHT OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL POLYAMINE HAVING 1 TO 3 CARBON ATOMS PER AMINE GROUP AND AN ALKYL AMINO ALCOHOL CONTAINING 2 TO 5 CARBON ATOMS PER ALKYL GROUP.
Claim 2
Dependent Claim
118 words
A FUEL OIL, WHICH IS SUBJECT TO CONTAMINATION BY WATER AND WHICH IS INHIBITED AGAINST FORMATION OF LARGE ICE CRYSTALS WHICH CAN CAUSE VALVE AND FILTER PLUGGING, CONTAINING: A MINOR AMOUNT OF A WATER MICROEMULSIFYING ADDITIVE MIXTURE, SUFFICIENT TO MICROEMULSIFY WATER CONTAMINATION INTO SAID OIL, OF ABOUT 1 TO 9 PARTS BY WEIGHT OF C16 C20 FATTY ACID, ABOUT 1 TO 8 PARTS OF ALKYL PHENOL WHEREIN SAID ALKYL GROUP HAS 9 TO 12 CARBON ATOMS, AND ABOUT 1 TO 5 PARTS BY WEIGHT OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL POLYAMINE HAVING 1 TO 3 CARBON ATOMS PER AMINE GROUP AND AN ALKYL AMINO ALCOHOL CONTAINING 2 TO 5 CARBON ATOMS PER ALKYL GROUP.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |