US2938869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing nitrogenous thiomolybdates
Assignee: IFP Energies nouvelles
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Filing: 1956-05-07
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Granted: 1960-05-31
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Hugel Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:53
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F11/00; C07F11/005; C10M2207/00; C10M2207/40; C10M2207/402; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10N; C10N2010/00; C10N2010/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF FROM 94 TO 99.8 PARTS BY WEIGHT OF A LUBRICANT BASE SELECTED FROM THE GROUP CONSISTING OF VEGETABLE OIL, ANIMAL OIL, ALKANEDIOLS HAVING FROM 6 TO 10 CARBON ATOMS, FATTY ACID ESTERS WHEREIN THE FATTY ACID RADICAL HAS FROM 6 TO 18 CARBOM ATOMS AND THE ALCOHOL PART OF THE ESTER CONSISTS OF FROM ONE TO TWO RADICAL OF AN ALCOHOL HAVING FROM HAVING FROM ONE TO RWO HYDROXYL GROUPS AND FROM 4 TO 12 CARBON ATOMS, AND MONOBASIC FATTY ACID AKLANEDIOL ESTERS WHEREIN THE FATTY ACID RADICAL HAS FROM 16 TO 18 CARBON ATOMS AND WHEREIN THE ALCOHOL PART OF THE ESTER IS A POLYTAINS FROM 2 TO 5 CARBON ATOMS, AND, DISSOLVED THEREIN, FROM 0.2 TO 6 PARTS BY WEIGHT OF A THIOMOLYBDATE OF AN ORGANIC NITROGEN BASE.
Claim 2
Dependent Claim
136 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF FROM 94 TO 99.8 PARTS BY WEIGHT OF A LUBRICANT BASE SELECTED FROM THE GROUP CONSISTING OF VEGETABLE OIL, ANIMAL OIL, ALKANEDIOLS HAVING FROM 6 TO 10 CARBON ATOMS, FATTY ACID ESTERS WHEREIN THE FATTY ACID RADICAL HAS FROM 6 TO 18 CARBOM ATOMS AND THE ALCOHOL PART OF THE ESTER CONSISTS OF FROM ONE TO TWO RADICAL OF AN ALCOHOL HAVING FROM HAVING FROM ONE TO RWO HYDROXYL GROUPS AND FROM 4 TO 12 CARBON ATOMS, AND MONOBASIC FATTY ACID AKLANEDIOL ESTERS WHEREIN THE FATTY ACID RADICAL HAS FROM 16 TO 18 CARBON ATOMS AND WHEREIN THE ALCOHOL PART OF THE ESTER IS A POLYTAINS FROM 2 TO 5 CARBON ATOMS, AND, DISSOLVED THEREIN, FROM 0.2 TO 6 PARTS BY WEIGHT OF A THIOMOLYBDATE OF AN ORGANIC NITROGEN BASE.
References Cited (Backward Citations)
US2421543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |