US2726208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-corrosive lubricant composition
Assignee: Standard Oil Co
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Filing: 1954-10-15
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Granted: 1955-12-06
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Expires: 1974-10-15
Abstract
No abstract record available.
Inventors
- 👤 Robert E Karll
- 👤 Albert R Sabol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M; C10M159/00; C10M159/12; C10M159/123; C10M2205/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2219/00; C10M2219/02; C10M2219/022; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS LUBRICANT VEHICLE AND FROM ABOUT 0.1% TO ABOUT 10% OF THE OIL-SOLUBLE SALT COMPLEX OBTAINED BY REACTING AT A TEMPERATURE OF FROM ABOUT 50* F. TO ABOUT 210* F. AN OIL-SOLUBLE METAL SALT OF A NEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT WITH A WATER-SOLUBLE POLYVALENT METAL SALT OF A LOW MOLECULAR WEIGHT ALIPHATIC SATURATED CARBOXYLIC ACID OF 1 TO ABOUT 4 CARBON ATOMS, SAID WATER-SOLUBLE METAL SALT BEING USED IN AN AMOUNT OF FROM 0.1 TO 3.0 EQUIVALENTS OF THE POLYVALENT METAL FOR EACH METAL EQUIVALENTS OF THE NEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT AND DEHYDRATING THE RESULTANT REACTION PRODUCT AT A TEMPERATURE OF FROM ABOUT 250* F. TO ABOUT 350* F. WHILE BLOWING WITH AN INERT GAS.
Claim 2
Dependent Claim
125 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS LUBRICANT VEHICLE AND FROM ABOUT 0.1% TO ABOUT 10% OF THE OIL-SOLUBLE SALT COMPLEX OBTAINED BY REACTING AT A TEMPERATURE OF FROM ABOUT 50* F. TO ABOUT 210* F. AN OIL-SOLUBLE METAL SALT OF A NEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT WITH A WATER-SOLUBLE POLYVALENT METAL SALT OF A LOW MOLECULAR WEIGHT ALIPHATIC SATURATED CARBOXYLIC ACID OF 1 TO ABOUT 4 CARBON ATOMS, SAID WATER-SOLUBLE METAL SALT BEING USED IN AN AMOUNT OF FROM 0.1 TO 3.0 EQUIVALENTS OF THE POLYVALENT METAL FOR EACH METAL EQUIVALENTS OF THE NEUTRALIZED PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT AND DEHYDRATING THE RESULTANT REACTION PRODUCT AT A TEMPERATURE OF FROM ABOUT 250* F. TO ABOUT 350* F. WHILE BLOWING WITH AN INERT GAS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |