US3077449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of filtering a fuel oil
Assignee: Sinclair Research Inc
•
Filing: 1955-03-25
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Granted: 1963-02-12
•
Expires: 1975-03-25
Abstract
No abstract record available.
Inventors
- 👤 James H Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:16
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1886; B; B01; B01D; B01D37/00; B01D37/02; C10G; C10G31/00; C10G31/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PRODUCING A NON-CORROSIVE RESIDUAL FUEL IN WHICH MAGNESIUM IS ADDED TO THE FUEL, THE IMPROVEMENT WHICH COMPRISES PASSING A DRY RESIDUAL OIL STOCK AS A SLURRY CONTAINING ABOUT 0.01 TO 1.0 POUND OF FILTER SAID PER 100 POUNDS OF OIL FILTERED THROUGH A FILTER HAVING AN AVERAGE POROSITY OF NOT GREATER THAN ABOUT 40 MICRONS, THE RESULTING RESIDUAL FUEL BEING DECREASED IN SODIUM CONTENT, CONTAINING LESS THAN 10 PARTS PER MILLION OF SODIUM AND HAVING SUBSTANTIALLY REDUCED CORROSIVE PROPERTIES.
Claim 2
Independent Claim
82 words
THE METHOD OF PRODUCING A NON-CORROSIVE RESIDUAL FUEL IN WHICH MAGNESIUM IS ADDED TO THE FUEL, THE IMPROVEMENT WHICH COMPRISES PASSING A DRY RESIDUAL OIL STOCK AS A SLURRY CONTAINING ABOUT 0.01 TO 1.0 POUND OF FILTER SAID PER 100 POUNDS OF OIL FILTERED THROUGH A FILTER HAVING AN AVERAGE POROSITY OF NOT GREATER THAN ABOUT 40 MICRONS, THE RESULTING RESIDUAL FUEL BEING DECREASED IN SODIUM CONTENT, CONTAINING LESS THAN 10 PARTS PER MILLION OF SODIUM AND HAVING SUBSTANTIALLY REDUCED CORROSIVE PROPERTIES.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |