US2850453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibited oil compositions
Assignee: Standard Oil Co
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Filing: 1955-04-26
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Granted: 1958-09-02
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Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:11
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/32; C10M135/36; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M2201/00; C10M2201/04; C10M2201/043; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2040/00; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
A COMPOSITION HAVING CORROSION AND OXIDATION INHIBITING PROPERTIES COMPRISING A MAJOR PROPORATION OF AN OIL AND FROM ABOUT 0.0001% TO ABOUT 10% OF AN OILSOLUBLE REACTION PRODUCT OBTAINED BY REACTING AT A TEMPERATURE OF FROM 25*C. TO ABOUT 150*C. 2,5-DIMERCAPTO1,3,4-THIADIAZOLE, AN ALDEHYDE CONTAINING FROM 1 TO 30 CARBON ATOMS AND AN ORGANIC HYDROXY COMPOUND HAVING THE GENERAL FORMULA ROH IN WHICH R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC RADICAL CONTAINING FROM ABOUT 4 TO 30 CARBON ATOMS AND AN AROMATIC RADICAL CONTAINING FROM ABOUT 6 TO 40 CARBON ATOMS, SAID REACTANTS BEING USED IN THE MOLAR RATIO OF FROM 1:2:1 TO 1:6:5 RESPECTIVELY.
Claim 2
Dependent Claim
109 words
A COMPOSITION HAVING CORROSION AND OXIDATION INHIBITING PROPERTIES COMPRISING A MAJOR PROPORATION OF AN OIL AND FROM ABOUT 0.0001% TO ABOUT 10% OF AN OILSOLUBLE REACTION PRODUCT OBTAINED BY REACTING AT A TEMPERATURE OF FROM 25*C. TO ABOUT 150*C. 2,5-DIMERCAPTO1,3,4-THIADIAZOLE, AN ALDEHYDE CONTAINING FROM 1 TO 30 CARBON ATOMS AND AN ORGANIC HYDROXY COMPOUND HAVING THE GENERAL FORMULA ROH IN WHICH R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC RADICAL CONTAINING FROM ABOUT 4 TO 30 CARBON ATOMS AND AN AROMATIC RADICAL CONTAINING FROM ABOUT 6 TO 40 CARBON ATOMS, SAID REACTANTS BEING USED IN THE MOLAR RATIO OF FROM 1:2:1 TO 1:6:5 RESPECTIVELY.
Claim 3
Dependent Claim
117 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL, FROM 0.001% TO ABOUT 10% OF THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING A TEMPERATURE OF FROM 25*C. TO ABOUT 150*C. 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, AN ALDEHYDE CONTAINING FROM 1 TO 30 CARBON ATOMS, AND AN ORGANIC HYDROXY COMPOUD HAVING THE GENERAL FORMULA ROH WHEREIN R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC RADICAL CONTAINING FROM 4 TO ABOUT 30 CARBON ATOMS AND AN AROMATIC RADICAL CONTAINING FROM ABOUT 6 TO ABOUT 40 CARBON ATOMS, SAID REACTANTS BEING USED IN THE MOLAR RATIO OF FROM 1:2:1 TO 1:6:5 RESPECTIVELY, AND FROM ABOUT 0.001% TO ABOUT 10% OF A PHOSPHORUS- AND SULFUR-CONTAINING DETERGENT-TYPE LUBRICANT ADDITIVE.
Claim 4
Dependent Claim
117 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL, FROM 0.001% TO ABOUT 10% OF THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING A TEMPERATURE OF FROM 25*C. TO ABOUT 150*C. 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE, AN ALDEHYDE CONTAINING FROM 1 TO 30 CARBON ATOMS, AND AN ORGANIC HYDROXY COMPOUD HAVING THE GENERAL FORMULA ROH WHEREIN R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC RADICAL CONTAINING FROM 4 TO ABOUT 30 CARBON ATOMS AND AN AROMATIC RADICAL CONTAINING FROM ABOUT 6 TO ABOUT 40 CARBON ATOMS, SAID REACTANTS BEING USED IN THE MOLAR RATIO OF FROM 1:2:1 TO 1:6:5 RESPECTIVELY, AND FROM ABOUT 0.001% TO ABOUT 10% OF A PHOSPHORUS- AND SULFUR-CONTAINING DETERGENT-TYPE LUBRICANT ADDITIVE.
References Cited (Backward Citations)
US2690999A
Cited
US2703784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |