US2917375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oils
Assignee: Sinclair Refining Co
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Filing: 1958-07-31
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Granted: 1959-12-15
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Charles N Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:18
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/146; C10L1/16; C10L1/1691; C10L1/18; C10L1/192; C10L1/195; C10L1/196; C10L1/1963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A DISTILLATE FUEL COMPOSITION CONSISTING ESSENTIALLY OF A BASE DISTILLATE FUEL OIL HAVING AN END POINT ABOVE ABOUT 600*F., ABOUT 0.003 TO 0.02 WEIGHT PERCENT OF A VISCOUS OIL-SOLUBLE POLYMERIZATION PRODUCT OF AN ESTER OF ACRYLIC ACID AND A SATURATED ALIHATIC ALCOHOL HAVING AT LEAST 12 CARBON ATOMS PER MOLECULE AND ABOUT 0.2 TO 0.4 WEIGHT PERCENT OF A PARAFFIN BASE MICROCRYSTALLINE WAX; SAID COMPOSITION CONTAINING AT LEAST ABOUT 10 WEIGHT PERCENT OF CRACKED FUEL COMPONENTS.
Claim 2
Dependent Claim
76 words
A DISTILLATE FUEL COMPOSITION CONSISTING ESSENTIALLY OF A BASE DISTILLATE FUEL OIL HAVING AN END POINT ABOVE ABOUT 600*F., ABOUT 0.003 TO 0.02 WEIGHT PERCENT OF A VISCOUS OIL-SOLUBLE POLYMERIZATION PRODUCT OF AN ESTER OF ACRYLIC ACID AND A SATURATED ALIHATIC ALCOHOL HAVING AT LEAST 12 CARBON ATOMS PER MOLECULE AND ABOUT 0.2 TO 0.4 WEIGHT PERCENT OF A PARAFFIN BASE MICROCRYSTALLINE WAX; SAID COMPOSITION CONTAINING AT LEAST ABOUT 10 WEIGHT PERCENT OF CRACKED FUEL COMPONENTS.
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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |