Patent US2824063A successfully refreshed from Google Patents.
US2824063A
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Lubricating oils containing a zinc dithiophosphate and nickel mahogany sulfonate
Assignee: Sinclair Refining Co
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Filing: 1956-05-11
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Granted: 1958-02-18
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Guy M Verley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:50
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL, AN OILSOLUBLE NICKEL PETROLEUM MAHOGANY SULFONATE SUFFICIENT TO PROVIDE ABOUT 0.01 TO 0.2 PERCENT BY WEIGHT OF NICKEL, A ZINC DITHIOPHOSPHATE DIESTER IN WHICH THE ESTER GROUPS CONTAIN FROM ABOUT 4 TO 20 CARBON ATOMS, SAID DITHIOPHOSPHATE BEING OIL-SOLUBLE AND PRRESENT IN AMOUNT TO PROVIDE ABOUT 0.03 TO 0.2 PERCENT PHOSPHORUS, A SMALL AMOUNT OF SULFURIZED SPERM OIL SUFFICIENT TO IMPART ANTIWEAR PROPERTIES AND A SMALL AMOUNT OF BASIC BARIUM PETROLEUM MAHOGANY SULFNOATE SUFFICIENT TO IMPART A BARIUM CONTENT OF ABOUT 0.2 TO 2.0 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
102 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL, AN OILSOLUBLE NICKEL PETROLEUM MAHOGANY SULFONATE SUFFICIENT TO PROVIDE ABOUT 0.01 TO 0.2 PERCENT BY WEIGHT OF NICKEL, A ZINC DITHIOPHOSPHATE DIESTER IN WHICH THE ESTER GROUPS CONTAIN FROM ABOUT 4 TO 20 CARBON ATOMS, SAID DITHIOPHOSPHATE BEING OIL-SOLUBLE AND PRRESENT IN AMOUNT TO PROVIDE ABOUT 0.03 TO 0.2 PERCENT PHOSPHORUS, A SMALL AMOUNT OF SULFURIZED SPERM OIL SUFFICIENT TO IMPART ANTIWEAR PROPERTIES AND A SMALL AMOUNT OF BASIC BARIUM PETROLEUM MAHOGANY SULFNOATE SUFFICIENT TO IMPART A BARIUM CONTENT OF ABOUT 0.2 TO 2.0 PERCENT BY WEIGHT.
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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |