US2506310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition
Assignee: Standard Oil Development Co
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Filing: 1946-12-28
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Granted: 1950-05-02
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Expires: 1966-12-28
Abstract
No abstract record available.
Inventors
- 👤 Louis A Mikeska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; 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; C10M2207/023; C10M2207/027; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2010/06; 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
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
A MINERAL LUBRICATING OIL CONTAINING ABOUT 0.02% TO ABOUT 3% OF A METAL SALT OF AN ORGANOSUBSTITUTED THIOPHOSPHORIC ACID OBTAINED BY REACTING PHOSPHORUS PENTASULFIDE WITH A MIXTURE OF WAX-PHENOL AND AN ALIPHATIC ALCOHOL, THE AMOUNT OF PHOSPHORUS PENTASULFIDE BEING THE EQUIVALENT TO AT LEAST 1 MOLECULE FOR EACH 4 HYDROXYL GROUPS IN THE WAX-PHENOL AND ALCOHOL PRESENT, AT A TEMPERTURE OF 50 TO 150*C.
Claim 2
Dependent Claim
64 words
A MINERAL LUBRICATING OIL CONTAINING ABOUT 0.02% TO ABOUT 3% OF A METAL SALT OF AN ORGANOSUBSTITUTED THIOPHOSPHORIC ACID OBTAINED BY REACTING PHOSPHORUS PENTASULFIDE WITH A MIXTURE OF WAX-PHENOL AND AN ALIPHATIC ALCOHOL, THE AMOUNT OF PHOSPHORUS PENTASULFIDE BEING THE EQUIVALENT TO AT LEAST 1 MOLECULE FOR EACH 4 HYDROXYL GROUPS IN THE WAX-PHENOL AND ALCOHOL PRESENT, AT A TEMPERTURE OF 50 TO 150*C.
Claim 3
Dependent Claim
58 words
AS A NEW COMPOSITION OF MATTER A METAL SALT OF AN ORGANO-SUBSTITUTED THIOPHOSPHORIC ACID OBTAINED BY REACTING PHOSPHORUS PENTASULFIDE WITH A MIXTURE OF WAX-PHENOL AND AN ALIPHATIC ALCOHOL, THE AMOUNT OF PHOSPHORUS PENTASULFIDE BEING EQUIVALENT TO AS LEAST 1 MOLECULE FOR EACH 4 HYDROXYL GROUPS IN THE WAX-PHENOL AND ALCOHOL PRESENT, AT A TEMPERATURE OF 50* TO 150*C.
Claim 4
Dependent Claim
58 words
AS A NEW COMPOSITION OF MATTER A METAL SALT OF AN ORGANO-SUBSTITUTED THIOPHOSPHORIC ACID OBTAINED BY REACTING PHOSPHORUS PENTASULFIDE WITH A MIXTURE OF WAX-PHENOL AND AN ALIPHATIC ALCOHOL, THE AMOUNT OF PHOSPHORUS PENTASULFIDE BEING EQUIVALENT TO AS LEAST 1 MOLECULE FOR EACH 4 HYDROXYL GROUPS IN THE WAX-PHENOL AND ALCOHOL PRESENT, AT A TEMPERATURE OF 50* TO 150*C.
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) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |