US3278434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions containing thiodicarboxylic acid esters
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-07-30
•
Granted: 1966-10-11
•
Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Elaine M Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:44
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/11; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A LUBRICATING OIL COMPOSITION SUITABLE FOR AIRCRAFT ENGINE LUBRICATION COMPRISING A MAJOR AMOUNT OF CARBOXYLIC ACID ESTER LUBRICATING OIL AND A MAGNESIUM CORROSION INHIBITING AMOUNT WITHIN THE RANGE OF ABOUT .001 TO 10.0 WT. PERCENT, BASED ON THE WEIGHT OF THE TOTAL COMPOSITION, OF AN ESTER OF THIODICARBOXYLIC ACID HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
53 words
A LUBRICATING OIL COMPOSITION SUITABLE FOR AIRCRAFT ENGINE LUBRICATION COMPRISING A MAJOR AMOUNT OF CARBOXYLIC ACID ESTER LUBRICATING OIL AND A MAGNESIUM CORROSION INHIBITING AMOUNT WITHIN THE RANGE OF ABOUT .001 TO 10.0 WT. PERCENT, BASED ON THE WEIGHT OF THE TOTAL COMPOSITION, OF AN ESTER OF THIODICARBOXYLIC ACID HAVING THE GENERAL FORMULA:
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |