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Patent US2696473A successfully refreshed from Google Patents.
US2696473A
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Halogen containing extreme pressure lubricant stabilized with a polyalkylene polyamine
Assignee: Texaco Inc
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Filing: 1951-06-20
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Granted: 1954-12-07
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Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Sokol Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:20
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/20; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON LUBRICATING OIL AS THE MAJOR COMPONENT, CONTAINING A MINOR AMOUNT OF AN OIL-SOLUBLE ORGANIC HALOGEN CONTAINING COMPOUND HAVING EXTREME PRESSURE PROPERTIES AND WHICH IS NORMALLY CORROSIVE TO METALS AT ELEVATED TEMPERATURES AND PRESSURES, A MINOR AMOUNT SUFFICIENT TO IMPART IMPROVED LOAD CARRYING PROPERTIES TO THE SAID COMPOSITION OF A LEAD SOAP, AND ABOUT 0.01 TO ABOUT 1 PER CENT BY WEIGHT OF A POLYAMINE REPRESENTED BY THE GENERAL FORMULA NH2R(NHR)INH2, WHERE R IS AN ETHYLENE GROUP AND X IS AN INTEGER FROM 1 TO 4.
References Cited (Backward Citations)
US2268608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |