US3288577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil composition of improved pumpability
Assignee: Sinclair Research Inc
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Filing: 1964-07-06
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Granted: 1966-11-29
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Seymour H Patinkin
- 👤 William L Steinhoff
- 👤 James H Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:28
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/16; C10L1/1625; C10L1/1633; C10L1/165; C10L1/1691; C10L1/18; C10L1/19; C10L1/192; C10L1/195; C10L1/197; C10L1/1973
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A FUEL OIL COMPOSITION HAVING IMPROVED PUMPABILITY OVER A WIDE RANGE OF LOW TEMPERATURES CONSISTING ESSENTIALLY OF A DISTILLATE HYDROCARBON FUEL BOILING ABOVE THE GASOLINE RANGE HAVING INCORPOATED THEREIN ABOUT 0.05 TO 0.5 VOLUME PERCENT OF A PETROLEUM MICROCRYSTALLINE WAX AND ABOUT 0.002 TO 0.5 VOLUME PERCENT OF AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF: A. A FUEL OIL-SOLUBLE POLYMER OF ABOUT 65 TO 97.5 PERCENT BY WEIGHT NORMAL ALPHA-OLEFIN OF 10 TO 24 CARBON ATOMS HAVING AT LEAST 60% NORMAL ALPHA-OLEFINS OF 16 TO 18 CARBON ATOMS AND ABOUT 2.5 TO 35 PERCENT BY WEIGHT OF STYRENE, SAID POLYMER HAVING A KINEMATIC VISCOSITY AT 210*F. OF ABOUT 20 TO 600 CENTISTOKES; B. A FUEL OIL-SOLUBLE NORMALLY LIQUID CONDENSATION PRODUCT OF A POLYUNSATURATED MONOESTER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
129 words
A FUEL OIL COMPOSITION HAVING IMPROVED PUMPABILITY OVER A WIDE RANGE OF LOW TEMPERATURES CONSISTING ESSENTIALLY OF A DISTILLATE HYDROCARBON FUEL BOILING ABOVE THE GASOLINE RANGE HAVING INCORPOATED THEREIN ABOUT 0.05 TO 0.5 VOLUME PERCENT OF A PETROLEUM MICROCRYSTALLINE WAX AND ABOUT 0.002 TO 0.5 VOLUME PERCENT OF AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF: A. A FUEL OIL-SOLUBLE POLYMER OF ABOUT 65 TO 97.5 PERCENT BY WEIGHT NORMAL ALPHA-OLEFIN OF 10 TO 24 CARBON ATOMS HAVING AT LEAST 60% NORMAL ALPHA-OLEFINS OF 16 TO 18 CARBON ATOMS AND ABOUT 2.5 TO 35 PERCENT BY WEIGHT OF STYRENE, SAID POLYMER HAVING A KINEMATIC VISCOSITY AT 210*F. OF ABOUT 20 TO 600 CENTISTOKES; B. A FUEL OIL-SOLUBLE NORMALLY LIQUID CONDENSATION PRODUCT OF A POLYUNSATURATED MONOESTER HAVING THE GENERAL 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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |