US2744083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal and sulfur containing compounds and lubricants containing them
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-07-23
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Granted: 1956-05-01
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Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard E Moody
- 👤 Elmer B Cyphers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:31
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2493; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2215/00; C10M2215/10; C10M2215/20; C10M2215/202; C10M2217/00; C10M2217/02; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A AN IMPROVED COMPOSITION OF MATTER, A DERIVATIVE, CONTAINING BOTH ALKALINE EARTH METAL AND SULFUR ATMOS, OF AN ALKYL PHENOL HAVING 5 TO 20 CARBON ATOMS IN THE ALKYL GROUP WHEREIN THE SULFUR HAS BEEN INTRODUCED INTO SAID DERIVATIVE BY AT LEAST ONE SULFURIZING AGENT SELECTED FROM THE GROUP CONSISTING OF SULFUR CHLORIDES, ELEMENTAL SULFUR AND SULFIDES OF PHOSPHORUS, SAID DERIVATIVE HAVING BEEN TREATED WITH A STABILIZATION AGENT SELECTED FROM THE GROUP CONSISTING OF MERCAPTOBENZOTHIAZOLE, DIPHENYLGUANIDINE AND MIXTURES THEREOF IN AN AMOUNT IN THE RANGE OF ABOUT 0.1% TO 20% BY WEIGHT BASED ON SAID DERIVATIVE, SAID TREATMENT BEING CARRIED OUT AT A TEMPERATURE IN THE RANGE OF 275* TO 600* F. FOR A TIME SUFFICIENT TO PRODUCE A SUBSTANTIALLY STABLE, NON-CORROSIVE PRODUCT.
Claim 2
Dependent Claim
34 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL AND ABOUT 0.02 TO 20% BY WEIGHT, BASED ON THE TOATL COMPOSITION, OF A COMPOSITION OF MATTER DEFINED BY CLAIM 4.
References Cited (Backward Citations)
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |