Patent US3132083A successfully refreshed from Google Patents.
US3132083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil composition
Assignee: Sinclair Research Inc
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Filing: 1958-10-02
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Granted: 1964-05-05
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 James H Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A FUEL OIL HAVING A POUR POINT -25*F. OR BELOW AND AN NPA COLOR OF 3 MAXIMUM CONSISTIN ESSENTIALLY OF A DISTILLATE FUEL OIL BOILING IN THE RANGE OF ABOUT 300 TO 750*F. AND A CLAY PERCOLATED SOLUTION CONSISTING ESSENTIALLY OF AN OIL-SOLUBLE, PROPANE-INSOLUBLE, PARAFFIN BASE-DERIVED RESINOUS PETROLEUM FRACTION HAVING A VISCOSITY OF ABOUT 3,000 TO 12,000 AT 210*F. AND A PREDOMINANTLY NON-AROMATIC LIQUID HYDROCARBON SOLVENT BOILING PRINCIPALLY BELOW ABOUT 400*F. AND HAVING LESS THAN ABOUT 25% AROMATICS IN A RATIO OF ABOUT 1 TO 20 PARTS SOLVENT TO 1 PART RESIN, SAID PERCOLATED SOLUTION BEING COMPOSED OF AT LEAST ABOUT 60% OF THE SOLUTION OBTAINED IN PERCOLATING THE SECOND TO FOURTH BARRELS OF SAID RESIN PER TON OF CLAY AND NO MORE THAN ABOUT 40% OF THE SOLUTION OBTAINED IN PERCOLATING THE FOURTH AND FIFTH BARRELS OF SAID RESIN PER TON OF CLAY, AND SAID PERCOLATED SOLUTION BEING PRESENT IN AN AMOUNT OF ABOUT 0.1 PERCENT OF SAID RESIN BASED ON THE WEIGHT OF THE RESIN IN THE SOLUTION PERCOLATED.
Claim 2
Dependent Claim
171 words
A FUEL OIL HAVING A POUR POINT -25*F. OR BELOW AND AN NPA COLOR OF 3 MAXIMUM CONSISTIN ESSENTIALLY OF A DISTILLATE FUEL OIL BOILING IN THE RANGE OF ABOUT 300 TO 750*F. AND A CLAY PERCOLATED SOLUTION CONSISTING ESSENTIALLY OF AN OIL-SOLUBLE, PROPANE-INSOLUBLE, PARAFFIN BASE-DERIVED RESINOUS PETROLEUM FRACTION HAVING A VISCOSITY OF ABOUT 3,000 TO 12,000 AT 210*F. AND A PREDOMINANTLY NON-AROMATIC LIQUID HYDROCARBON SOLVENT BOILING PRINCIPALLY BELOW ABOUT 400*F. AND HAVING LESS THAN ABOUT 25% AROMATICS IN A RATIO OF ABOUT 1 TO 20 PARTS SOLVENT TO 1 PART RESIN, SAID PERCOLATED SOLUTION BEING COMPOSED OF AT LEAST ABOUT 60% OF THE SOLUTION OBTAINED IN PERCOLATING THE SECOND TO FOURTH BARRELS OF SAID RESIN PER TON OF CLAY AND NO MORE THAN ABOUT 40% OF THE SOLUTION OBTAINED IN PERCOLATING THE FOURTH AND FIFTH BARRELS OF SAID RESIN PER TON OF CLAY, AND SAID PERCOLATED SOLUTION BEING PRESENT IN AN AMOUNT OF ABOUT 0.1 PERCENT OF SAID RESIN BASED ON THE WEIGHT OF THE RESIN IN THE SOLUTION PERCOLATED.
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |