US3115463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized lubricants
Assignee: Ethyl Corp
•
Filing: 1963-03-18
•
Granted: 1963-12-24
•
Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Harold D Orloff
- 👤 Gordon G Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:04
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/10; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; 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
95 words
A LUBRICATING OIL SELECTED FROM THE GROUP CONSISTING OF PETROLEUM HYDROCARBON OILS AND SYTHETIC DIESTER OILS NORMALLY SUSCEPTIBLE TO OXIDATIVE DETERIORATION CONTAINING A SMALL ANTIOXIDANT QUANTITY OF A SYNERGISTIC MIXTURE CONSISTING OF FROM ABOUT 0.001 TO ABOUT 0.2 PERCENT BY WEIGHT BASED ON THE OIL OF PHOSPHORUS AS A DIALKYL HYDROGEN PHOSPHITE IN WHICH THE ALKYL GROUPS EACH CONTAIN UP TO ABOUT 12 CARBON ATOMS AND FROM ABOUT 0.01 TO ABOUT 3 PERCENT BY WEIGHT BASED ON THE OIL OF A SUBSTITUTED PHENOLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF MONONUCLEAR PHENOLS OF THE FORMULA
Claim 2
Dependent Claim
95 words
A LUBRICATING OIL SELECTED FROM THE GROUP CONSISTING OF PETROLEUM HYDROCARBON OILS AND SYTHETIC DIESTER OILS NORMALLY SUSCEPTIBLE TO OXIDATIVE DETERIORATION CONTAINING A SMALL ANTIOXIDANT QUANTITY OF A SYNERGISTIC MIXTURE CONSISTING OF FROM ABOUT 0.001 TO ABOUT 0.2 PERCENT BY WEIGHT BASED ON THE OIL OF PHOSPHORUS AS A DIALKYL HYDROGEN PHOSPHITE IN WHICH THE ALKYL GROUPS EACH CONTAIN UP TO ABOUT 12 CARBON ATOMS AND FROM ABOUT 0.01 TO ABOUT 3 PERCENT BY WEIGHT BASED ON THE OIL OF A SUBSTITUTED PHENOLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF MONONUCLEAR PHENOLS OF THE FORMULA
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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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |