US2562904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition
Assignee: Individual
•
Filing: 1946-08-27
•
Granted: 1951-08-07
•
Expires: 1966-08-27
Abstract
No abstract record available.
Inventors
- 👤 Michael W Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/10; C10M2201/102; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/20; C10M2215/202; C10M2215/204; C10M2219/00; C10M2219/02; C10M2219/022; C10M2223/00; C10M2223/08; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A LUBRICATING LIQUID VEHICLE HAVING INCORPORATED THEREIN A HOMOGENEOUS PRODUCT IN AMOUNT OF FROM ABOUT 0.1% TO ABOUT 25% OF (A) 10 TO 75 MOLES OF A REACTION PRODUCT OBTAINED BY REACTING FROM 1 TO 5 MOLES OF AN AMINE WITH ABOUT 1 MOLE OF A HIGHER FATTY ACID WITH (B) 90 TO 25 MOLES OF AN OXIDIZED-PHOSPHORIZED-SULFURIZED ORGANIC BODY SELECTED FROM THE GROUP CONSISTING OF PETROLUEM SULFONATES AND SULFONATED CASTOR OIL, THE OXIDATION BEING PRODUCED BY TREATMENT WITH AN OXIDIZING AGENT AT A TEMPERATURE OF FROM 200 TO 500* F. UNTIL AT LEAST 1% OF COMBINED OXYGEN IS PRESENT, AND THE PHOSPHORIZATION AND SULPHURIZATION BEING PRODUCED BY UP TO 50% BY WEIGHT ON THE PRODUCT SUBJECTED TO PHOSPHORIZATION AND SULPHURIZATION OF A PHOSPHORUS SULFIDE AT A TEMPERATURE OF FROM ABOUT 150 TO 500* F., SAID REACTION PRODUCTS (A) AND (B) CO-REACTED UNTIL A HOMOGENEOUS PRODUCT IS OBTAINED.
Claim 2
Dependent Claim
148 words
A LUBRICATING LIQUID VEHICLE HAVING INCORPORATED THEREIN A HOMOGENEOUS PRODUCT IN AMOUNT OF FROM ABOUT 0.1% TO ABOUT 25% OF (A) 10 TO 75 MOLES OF A REACTION PRODUCT OBTAINED BY REACTING FROM 1 TO 5 MOLES OF AN AMINE WITH ABOUT 1 MOLE OF A HIGHER FATTY ACID WITH (B) 90 TO 25 MOLES OF AN OXIDIZED-PHOSPHORIZED-SULFURIZED ORGANIC BODY SELECTED FROM THE GROUP CONSISTING OF PETROLUEM SULFONATES AND SULFONATED CASTOR OIL, THE OXIDATION BEING PRODUCED BY TREATMENT WITH AN OXIDIZING AGENT AT A TEMPERATURE OF FROM 200 TO 500* F. UNTIL AT LEAST 1% OF COMBINED OXYGEN IS PRESENT, AND THE PHOSPHORIZATION AND SULPHURIZATION BEING PRODUCED BY UP TO 50% BY WEIGHT ON THE PRODUCT SUBJECTED TO PHOSPHORIZATION AND SULPHURIZATION OF A PHOSPHORUS SULFIDE AT A TEMPERATURE OF FROM ABOUT 150 TO 500* F., SAID REACTION PRODUCTS (A) AND (B) CO-REACTED UNTIL A HOMOGENEOUS PRODUCT IS OBTAINED.
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |