US2639266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease comprising a complex ester base and sodium myristate
Assignee: Texaco Inc
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Filing: 1951-04-07
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Granted: 1953-05-19
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Expires: 1971-04-07
Abstract
No abstract record available.
Inventors
- 👤 John P Dilworth
- 👤 Charles H Culnane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:16
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/06; C10M2201/063; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/11; C10M2209/112; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/066; C10M2215/10; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10M2223/047; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF AN OLEAGINOUS LIQUID LUBRICATING BASE, ABOUT 15-25% BY WEIGHT BASED ON THE GREASE OF A SODIUM SOAP OF A SOAP-FORMING FATTY MATERIAL CONTAINING AT LEAST 70% BASSED ON THE FATTY MATERIAL OF MYRISTIC ACID, 0.5-5% BY WEIGHT OF N,N'' DIPHENYL P-PHENYLENE DIAMINE, 1.5-15% BY WEIGHT OF TRICRESYL PHOSPHATE AND 0.1-1.0% OF FREE ALKALI SAID OLEAGINOUS LIQUID LUBRICATING BASE COMPRISING IN INOR PROPORTION A MINERAL LUBRICATING OIL AND IN MAJOR PROPORTION A COMPLEX POLYESTER OF LUBRICATING CHARACTERISTICS OBTAINED BY REACTING TOGETHER UNDER ESTERIFICATION CONDITIONS A POLYPROPYLENE GLYCOL CONTAINING FROM 6 TO 9 CARBON ATOMS, SEBACIC ACID AND 2-ETHYL HEXANOL.
Claim 2
Dependent Claim
104 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF AN OLEAGINOUS LIQUID LUBRICATING BASE, ABOUT 15-25% BY WEIGHT BASED ON THE GREASE OF A SODIUM SOAP OF A SOAP-FORMING FATTY MATERIAL CONTAINING AT LEAST 70% BASSED ON THE FATTY MATERIAL OF MYRISTIC ACID, 0.5-5% BY WEIGHT OF N,N'' DIPHENYL P-PHENYLENE DIAMINE, 1.5-15% BY WEIGHT OF TRICRESYL PHOSPHATE AND 0.1-1.0% OF FREE ALKALI SAID OLEAGINOUS LIQUID LUBRICATING BASE COMPRISING IN INOR PROPORTION A MINERAL LUBRICATING OIL AND IN MAJOR PROPORTION A COMPLEX POLYESTER OF LUBRICATING CHARACTERISTICS OBTAINED BY REACTING TOGETHER UNDER ESTERIFICATION CONDITIONS A POLYPROPYLENE GLYCOL CONTAINING FROM 6 TO 9 CARBON ATOMS, SEBACIC ACID AND 2-ETHYL HEXANOL.
References Cited (Backward Citations)
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US2448567A
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US2450221A
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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) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |