US3048542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Texaco Inc
•
Filing: 1959-01-30
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Granted: 1962-08-07
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Expires: 1979-01-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Tierney
- 👤 Robert H Krug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:37
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/283; C10M2207/30; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/11; C10M2209/111; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/066; C10M2215/14; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
62 words
A SYNTHETIC LUBRICANT COMPOSITION A MAJOR PORTION OF AN ALIPHATIC CARRBOXYLIC ACID ESTER HAVING LUBRICATING PROPERTIES, SELECTED FROM THE GROUP CONSISTING OF DIESTERS OF POLYESTERS, AND A MINOR AMOUNT SUFFICIENT TO IMPROVE THE EXTREME PRESSURE PROPERTY OF THE COMPOSITION OF A FATTY MATERIAL CONSISTING ESSENTIALLY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIMERS ANDTRIMERS OF LINOLEIC ACID AND MIXTURES THEREOF.
Claim 2
Dependent Claim
62 words
A SYNTHETIC LUBRICANT COMPOSITION A MAJOR PORTION OF AN ALIPHATIC CARRBOXYLIC ACID ESTER HAVING LUBRICATING PROPERTIES, SELECTED FROM THE GROUP CONSISTING OF DIESTERS OF POLYESTERS, AND A MINOR AMOUNT SUFFICIENT TO IMPROVE THE EXTREME PRESSURE PROPERTY OF THE COMPOSITION OF A FATTY MATERIAL CONSISTING ESSENTIALLY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIMERS ANDTRIMERS OF LINOLEIC ACID AND MIXTURES THEREOF.
Claim 3
Dependent Claim
99 words
A SYNTHETIC LUBRICANT COMPOSITION COMPRISING A MAJOR PORTION OFA DIALKYL ESTER OF AN ALIPHATIC DICARBOXYLIC ACID HAVING AN ALKYL PORTION RANGING FROM 6 TO 18 YLIC ACID HAVING AN ALKYL PORTION RANGING FROM 6 TO 12 CARBON ATOMS, FROM 0.01 TO 1 PERCENT BY WEIGHT OF A FATTY MATERIAL CONSISTING ESSENTIALLY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIMERS AND TRIMERS OF LINOLEIC ACID AND MIXTURES THEREOF, A VISCOSITY INDEX IMPROVING AMOUNT OF A METHACRYLATE POLYER, AN OXIDATION INHIBITING AMOUNT OF PHENOTHIAZINE, AND DI(O-CHLOROPHENYL)PHENYL PHOSPHATE IN AN AMOUNT SUFFICIENT TO IMPROVE THE ANTI-WEAR PROPERTIES OF THE LUBRICANT.
Claim 4
Dependent Claim
99 words
A SYNTHETIC LUBRICANT COMPOSITION COMPRISING A MAJOR PORTION OFA DIALKYL ESTER OF AN ALIPHATIC DICARBOXYLIC ACID HAVING AN ALKYL PORTION RANGING FROM 6 TO 18 YLIC ACID HAVING AN ALKYL PORTION RANGING FROM 6 TO 12 CARBON ATOMS, FROM 0.01 TO 1 PERCENT BY WEIGHT OF A FATTY MATERIAL CONSISTING ESSENTIALLY OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIMERS AND TRIMERS OF LINOLEIC ACID AND MIXTURES THEREOF, A VISCOSITY INDEX IMPROVING AMOUNT OF A METHACRYLATE POLYER, AN OXIDATION INHIBITING AMOUNT OF PHENOTHIAZINE, AND DI(O-CHLOROPHENYL)PHENYL PHOSPHATE IN AN AMOUNT SUFFICIENT TO IMPROVE THE ANTI-WEAR PROPERTIES OF THE LUBRICANT.
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |